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BESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have BASIC DATA PLOTTING WITH MATPLOTLIB PART 2: LINES, POINTS 1. 2. radius = area = It is important to make sure that the two arrays you use for plotting have the same dimensions, or matplotlib will raise an exception when you try to plot them. Now that I have matplotlib loaded, and have some data to plot, Ican
BASIC DATA PLOTTING WITH MATPLOTLIB PART 3: HISTOGRAMS 1. 2. from numpy.random import normal. gaussian_numbers = normal (size=1000) Now that we have something to plot, let’s do it! The pyplot.hist () method is used for generating histograms, and will automatically select the appropriate range to bin our data. With axis labels, a title, and the show () method, our code will look like this:1. 2.
PROGRAMMING MATHEMATICAL FUNCTIONS WITH TAYLOR POLYNOMIALSSEE MORE ON BESPOKEBLOG.WORDPRESS.COMPSEUDOSCIENCE
Avast, a post! My first in over a year – Ben has been putting me to shame of late. I was in Dublin this past week visiting my Grandparents. I had a day in town to “see the sights”, but as I’ve been to Dublin several times I wasn’t interested in hitting the standard tourist attractions (Guinness Brewery, Book of Kells, Grafton St. etc) which I have already seen.BESPOKE BLOG
This morning, I watched with tears in my eyes as the last flight of the space shuttle pierced the clouds above Cape Canaveral. After the joy of watching four human beings rise above the atmosphere carried by little more than a few thousand tonnes of metal, plastic, and ceramic safely and in less time than it takes me to drive to work, I started to look back upon a week that has been, if I may COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
400 WORD ESSAY 2: MATERIALISM AND SCIENCE Time for the second 400 word essay of the term. This week's topic is quite a bit more philosophical: "There are things in the world that cannot be understood by science". Those who know me will know which side I took: the negative! It's very hard to discuss a complex topiclike this in so
SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial age PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista?BESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have BASIC DATA PLOTTING WITH MATPLOTLIB PART 2: LINES, POINTS 1. 2. radius = area = It is important to make sure that the two arrays you use for plotting have the same dimensions, or matplotlib will raise an exception when you try to plot them. Now that I have matplotlib loaded, and have some data to plot, Ican
BASIC DATA PLOTTING WITH MATPLOTLIB PART 3: HISTOGRAMS 1. 2. from numpy.random import normal. gaussian_numbers = normal (size=1000) Now that we have something to plot, let’s do it! The pyplot.hist () method is used for generating histograms, and will automatically select the appropriate range to bin our data. With axis labels, a title, and the show () method, our code will look like this:1. 2.
PROGRAMMING MATHEMATICAL FUNCTIONS WITH TAYLOR POLYNOMIALSSEE MORE ON BESPOKEBLOG.WORDPRESS.COMPSEUDOSCIENCE
Avast, a post! My first in over a year – Ben has been putting me to shame of late. I was in Dublin this past week visiting my Grandparents. I had a day in town to “see the sights”, but as I’ve been to Dublin several times I wasn’t interested in hitting the standard tourist attractions (Guinness Brewery, Book of Kells, Grafton St. etc) which I have already seen.BESPOKE BLOG
This morning, I watched with tears in my eyes as the last flight of the space shuttle pierced the clouds above Cape Canaveral. After the joy of watching four human beings rise above the atmosphere carried by little more than a few thousand tonnes of metal, plastic, and ceramic safely and in less time than it takes me to drive to work, I started to look back upon a week that has been, if I may COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
400 WORD ESSAY 2: MATERIALISM AND SCIENCE Time for the second 400 word essay of the term. This week's topic is quite a bit more philosophical: "There are things in the world that cannot be understood by science". Those who know me will know which side I took: the negative! It's very hard to discuss a complex topiclike this in so
SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial age PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista? ABOUT | BESPOKE BLOG This is the blog of Ben Keller and Nick FitzGerald. Ben is an MSc physics student McMaster University who studies computational astrophysics. Nick is an undergrad at the University of British Columbia who is currently studying Cognitive Science.PSEUDOSCIENCE
Avast, a post! My first in over a year – Ben has been putting me to shame of late. I was in Dublin this past week visiting my Grandparents. I had a day in town to “see the sights”, but as I’ve been to Dublin several times I wasn’t interested in hitting the standard tourist attractions (Guinness Brewery, Book of Kells, Grafton St. etc) which I have already seen.BMC | BESPOKE BLOG
So, in last weeks BMC post, I showed a number of probability distributions, one of which was the Fermi distribution. As you saw, at low temperatures, the Fermi distribution approached a step function.. This itself was a bit weird, as it implied that there are particles in non-zero energy levels even when the temperature is zero.BESPOKE BLOG
This morning, I watched with tears in my eyes as the last flight of the space shuttle pierced the clouds above Cape Canaveral. After the joy of watching four human beings rise above the atmosphere carried by little more than a few thousand tonnes of metal, plastic, and ceramic safely and in less time than it takes me to drive to work, I started to look back upon a week that has been, if I may BASIC DATA PLOTTING WITH MATPLOTLIB PART 1 Getting Matplotlib. If you are already running one of the common Linux distributions, matplotlib is a simple apt-get or yum install away. Under Debian or Ubuntu, simply type: 1. sudo apt-get install python-matplotlib. With Fedora, just use: 1. sudo yum install python-matplotlib. If you are running on a Linux distro that lacks apackage manager
BMC: BLACK BODY RADIATION AND THE ULTRAVIOLET CATASTROPHE In some of the past BMC posts, I have blogged about how statistical mechanics, in the 19th century, came perilously close to uncovering quantum mechanics early. A number of "problems" with statistical mechanics arose due to the classical treatment used. One of the most serious was the Ultraviolet Catastrophe. This problem was not easilysolved
BESPOKE BLOG
This is something I’ve always wanted to try, and now have the opportunity! My parents had an old relic of the Pentium 3 epoch, which I was able to appropriate in the name of Science. MORBID STATISTICS & THE 27 CLUB Sorry about the late post, I was out far too late yesterday evening, and I missed the last train out of down town. I had to bike for 2 hours to get home, ugh. Anyways, as I'm sure many of you are aware, Amy Winehouse died today, at the age of 27. There is a PODCASTS I LISTEN TO I used to have a relatively long commute in to work, with a 30 minute drive and a 15 minute walk (I am cheap, and hate paying for parking). Because I have the attention span of a 6 year old meth addict, making this trip without something to listen to was unacceptable. So, Ideveloped
BACKUP YOUR GOOGLE LIFE: GBACK There was a rant that bounced up and down the tubes of the internet this week, talking about how one poor fellow migrated all of his important data into google services, only to have google pull the digital rug out from under him by deleting his account after it was algorithmically flagged. This sucks, but one thing I have always been pestered about is the importance of regular backups.BESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have ABOUT | BESPOKE BLOG This is the blog of Ben Keller and Nick FitzGerald. Ben is an MSc physics student McMaster University who studies computational astrophysics. Nick is an undergrad at the University of British Columbia who is currently studying Cognitive Science. COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
SERVERS | BESPOKE BLOG This is something I’ve always wanted to try, and now have the opportunity! My parents had an old relic of the Pentium 3 epoch, which I was able to appropriate in the name of Science. MATPLOTLIB | BESPOKE BLOG Posts about matplotlib written by bwkeller. Continuing my series on using python and matplotlib to generate common plots and figures, today I will be discussing how to make histograms, a plot type used to show the frequency across a continuous or discrete variable. WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress BWKELLER | BESPOKE BLOG Read all of the posts by bwkeller on Bespoke Blog. So, I’m taking a class this year on high performance computing, and I figure’d I might as well kill two birds with one stone: write some blog posts, and also get some studying done. ASTROLOGY IS RUBBISH Astrology has to be the stupidest, most pig-ignorant pseudoscience to still be believed in the 20th century. But, believed in it still is. Even beyond the total lack of plausibility, inconsistency among practitioners, and ridiculous post-hoc justifications, the thing that tells us that astrology is rubbish is ultimately the empiricalevidence.
PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista? SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial ageBESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have ABOUT | BESPOKE BLOG This is the blog of Ben Keller and Nick FitzGerald. Ben is an MSc physics student McMaster University who studies computational astrophysics. Nick is an undergrad at the University of British Columbia who is currently studying Cognitive Science. COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
SERVERS | BESPOKE BLOG This is something I’ve always wanted to try, and now have the opportunity! My parents had an old relic of the Pentium 3 epoch, which I was able to appropriate in the name of Science. MATPLOTLIB | BESPOKE BLOG Posts about matplotlib written by bwkeller. Continuing my series on using python and matplotlib to generate common plots and figures, today I will be discussing how to make histograms, a plot type used to show the frequency across a continuous or discrete variable. WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress BWKELLER | BESPOKE BLOG Read all of the posts by bwkeller on Bespoke Blog. So, I’m taking a class this year on high performance computing, and I figure’d I might as well kill two birds with one stone: write some blog posts, and also get some studying done. ASTROLOGY IS RUBBISH Astrology has to be the stupidest, most pig-ignorant pseudoscience to still be believed in the 20th century. But, believed in it still is. Even beyond the total lack of plausibility, inconsistency among practitioners, and ridiculous post-hoc justifications, the thing that tells us that astrology is rubbish is ultimately the empiricalevidence.
PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista? SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial age PYTHON | BESPOKE BLOG Background: This post is a little late for Pi Day, but it’s never a bad time for discourse related to everyone’s favourite mathematical constant.Twas on Pi Day of this year that I somehow came across this site, which describes the Constrained Writing task of Pilish, in which the length of each word in letters corresponds to the digits of pi:. The first word in this sentence has 3 letters PROGRAMMING MATHEMATICAL FUNCTIONS WITH TAYLOR POLYNOMIALS I've been thinking of writing an astronomical toolkit for Arduino, to help users build their own go-to telescope mounts, satellite trackers, heliostats, and other cool amateur astronomy equipment. As anyone who has ever worked with astronomical coordinate systems know, since astronomers treat the sky as a 2 dimensional spherical surface, most calculations involving positions on WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress THINKHAUS | BESPOKE BLOG Posts about thinkhaus written by bwkeller. I’ve been working on building a pedal-powered twitter projection wall as part of a collaboration between Think|Haus and THAAT, to display at HIVEX.On Saturday, our hardware genius Gord got the frame and motor mount completed, and we decided to have a brief rave-light party in thefactory.
ASTRONOMY | BESPOKE BLOG I’ve been thinking of writing an astronomical toolkit for Arduino, to help users build their own go-to telescope mounts, satellite trackers, heliostats, and other cool amateur astronomy equipment. As anyone who has ever worked with astronomical coordinate systems know, since astronomers treat the sky as a 2 dimensional spherical surface, most calculations involving positions on this surface COGNITIVE | BESPOKE BLOG I consider myself to be a pretty rational person, and try to avoid the cognitive pitfalls that, as a human being, I am prone to falling into. One logical fallacy that always seems to get me, no matter how much I try to banish that mode of thought, is the sunk cost fallacy.. This fallacy is the idea that you’ve already invested enough time/money/whatever into something, so to stop now would ASKAP | BESPOKE BLOG ASKAP, astronomy, science, SKA, technology. I feel like yesterday’s depressing (but popular!) post painted a bit gloomier picture of the future of astronomy and space science than the reality warrants. Today, I thought I might cheer you up with an inside view of one of the neatest pieces of scientific instrumentation under constructiontoday
LETTER | BESPOKE BLOG Posts about letter written by nfitzgerald. In response to the shocking revelation of comments by Canada’s Minister of State for Science and Technology on evolution. (see here for some great response from theresearch community)
PODCASTS I LISTEN TO I used to have a relatively long commute in to work, with a 30 minute drive and a 15 minute walk (I am cheap, and hate paying for parking). Because I have the attention span of a 6 year old meth addict, making this trip without something to listen to was unacceptable. So, Ideveloped
MYSQL | BESPOKE BLOG Posts about mysql written by nfitzgerald. I had one of those frustrating days where you spend hours and hours searching around for what should be a simple coding solution, to no avail.BESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have ABOUT | BESPOKE BLOG This is the blog of Ben Keller and Nick FitzGerald. Ben is an MSc physics student McMaster University who studies computational astrophysics. Nick is an undergrad at the University of British Columbia who is currently studying Cognitive Science. COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
SERVERS | BESPOKE BLOG This is something I’ve always wanted to try, and now have the opportunity! My parents had an old relic of the Pentium 3 epoch, which I was able to appropriate in the name of Science. MATPLOTLIB | BESPOKE BLOG Posts about matplotlib written by bwkeller. Continuing my series on using python and matplotlib to generate common plots and figures, today I will be discussing how to make histograms, a plot type used to show the frequency across a continuous or discrete variable. WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress BWKELLER | BESPOKE BLOG Read all of the posts by bwkeller on Bespoke Blog. So, I’m taking a class this year on high performance computing, and I figure’d I might as well kill two birds with one stone: write some blog posts, and also get some studying done. ASTROLOGY IS RUBBISH Astrology has to be the stupidest, most pig-ignorant pseudoscience to still be believed in the 20th century. But, believed in it still is. Even beyond the total lack of plausibility, inconsistency among practitioners, and ridiculous post-hoc justifications, the thing that tells us that astrology is rubbish is ultimately the empiricalevidence.
PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista? SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial ageBESPOKE BLOG
The reality of being a scientist is that you are a monk. As much as. the job involves the priestly craft of divining ultimate reality, what it. really involves, day to day, is aesceticism. To be a scientist in the age of. austerity is to take a vow of poverty, promising to forgo the worldly. posessions of the middle class that could easily have ABOUT | BESPOKE BLOG This is the blog of Ben Keller and Nick FitzGerald. Ben is an MSc physics student McMaster University who studies computational astrophysics. Nick is an undergrad at the University of British Columbia who is currently studying Cognitive Science. COUNTING | BESPOKE BLOG On my first day of University five years ago, whilst shopping for dorm supplies, I bought this large beer-and-hockey themed piggy bank. Since then, I have deposited any coins smaller than a quarter (ie pennies,nickels and dimes).
SERVERS | BESPOKE BLOG This is something I’ve always wanted to try, and now have the opportunity! My parents had an old relic of the Pentium 3 epoch, which I was able to appropriate in the name of Science. MATPLOTLIB | BESPOKE BLOG Posts about matplotlib written by bwkeller. Continuing my series on using python and matplotlib to generate common plots and figures, today I will be discussing how to make histograms, a plot type used to show the frequency across a continuous or discrete variable. WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress BWKELLER | BESPOKE BLOG Read all of the posts by bwkeller on Bespoke Blog. So, I’m taking a class this year on high performance computing, and I figure’d I might as well kill two birds with one stone: write some blog posts, and also get some studying done. ASTROLOGY IS RUBBISH Astrology has to be the stupidest, most pig-ignorant pseudoscience to still be believed in the 20th century. But, believed in it still is. Even beyond the total lack of plausibility, inconsistency among practitioners, and ridiculous post-hoc justifications, the thing that tells us that astrology is rubbish is ultimately the empiricalevidence.
PHARANGULA | BESPOKE BLOG Posts about pharangula written by nfitzgerald. On a related note, can anyone tell me why AdBlock Plus has stopped working for me in Firefox 3 for Windows Vista? SHOULD WE SAVE THE TASMANIAN DEVIL? Most right-thinking people today consider the preservation of endangered species to be an ethical imperative. The underlying assumption (correct in the vast majority of cases) is that the endangered species have been brought to the brink as a result of careless human activities. Habitat destruction, hunting, pollution, and other aspects of the modern industrial age PYTHON | BESPOKE BLOG Background: This post is a little late for Pi Day, but it’s never a bad time for discourse related to everyone’s favourite mathematical constant.Twas on Pi Day of this year that I somehow came across this site, which describes the Constrained Writing task of Pilish, in which the length of each word in letters corresponds to the digits of pi:. The first word in this sentence has 3 letters PROGRAMMING MATHEMATICAL FUNCTIONS WITH TAYLOR POLYNOMIALS I've been thinking of writing an astronomical toolkit for Arduino, to help users build their own go-to telescope mounts, satellite trackers, heliostats, and other cool amateur astronomy equipment. As anyone who has ever worked with astronomical coordinate systems know, since astronomers treat the sky as a 2 dimensional spherical surface, most calculations involving positions on WRITE MORE | BESPOKE BLOG Well, hopefully I will be blogging a bit more frequently. I just finished writing a manuscript for a paper from the last 2 years of PhD work, and it was no fun. I am, at this stage, pretty shitty at scientifc writing. I'm hoping some practice will help improve me. I've installe the wicked vim-repress THINKHAUS | BESPOKE BLOG Posts about thinkhaus written by bwkeller. I’ve been working on building a pedal-powered twitter projection wall as part of a collaboration between Think|Haus and THAAT, to display at HIVEX.On Saturday, our hardware genius Gord got the frame and motor mount completed, and we decided to have a brief rave-light party in thefactory.
ASTRONOMY | BESPOKE BLOG I’ve been thinking of writing an astronomical toolkit for Arduino, to help users build their own go-to telescope mounts, satellite trackers, heliostats, and other cool amateur astronomy equipment. As anyone who has ever worked with astronomical coordinate systems know, since astronomers treat the sky as a 2 dimensional spherical surface, most calculations involving positions on this surface COGNITIVE | BESPOKE BLOG I consider myself to be a pretty rational person, and try to avoid the cognitive pitfalls that, as a human being, I am prone to falling into. One logical fallacy that always seems to get me, no matter how much I try to banish that mode of thought, is the sunk cost fallacy.. This fallacy is the idea that you’ve already invested enough time/money/whatever into something, so to stop now would ASKAP | BESPOKE BLOG ASKAP, astronomy, science, SKA, technology. I feel like yesterday’s depressing (but popular!) post painted a bit gloomier picture of the future of astronomy and space science than the reality warrants. Today, I thought I might cheer you up with an inside view of one of the neatest pieces of scientific instrumentation under constructiontoday
LETTER | BESPOKE BLOG Posts about letter written by nfitzgerald. In response to the shocking revelation of comments by Canada’s Minister of State for Science and Technology on evolution. (see here for some great response from theresearch community)
PODCASTS I LISTEN TO I used to have a relatively long commute in to work, with a 30 minute drive and a 15 minute walk (I am cheap, and hate paying for parking). Because I have the attention span of a 6 year old meth addict, making this trip without something to listen to was unacceptable. So, Ideveloped
MYSQL | BESPOKE BLOG Posts about mysql written by nfitzgerald. I had one of those frustrating days where you spend hours and hours searching around for what should be a simple coding solution, to no avail.* About
BESPOKE BLOG
~ SCIENCE! CULTURE! COMPUTATIONAL ENGINES!Search:
SCIENCE IS AESCETICISM 10 _Monday_ Mar 2014Posted by bwkeller
in research
, science
≈ LEAVE A COMMENT
TAGS
funding , grad school, society
I think a lot of thesturm
und
drang about the current state of scienceand
academia in general comes from the fact that the reality of sciencetoday is
wildly different than what we are told for our entire lives (duh).Society,
education, whatever, says that being a scientist is like being a priest/priestess. We think what we will do is discover arcane secrets, entering into a class divorced from the world through its connectionto deeper
truths. The reality of being a scientist is that you are a _monk_. Asmuch as
the job involves the priestly craft of divining ultimate reality, whatit
really involves, day to day, is aesceticism. To be a scientist in theage of
austerity is to take a vow of poverty, promising to forgo the worldly posessions of the middle class that could easily have been yours yearsago. It
means self-mortification, flagellating yourself daily with the scourgeof
stress, self-doubt, and overwork. So we have a generation of youngscientists
who don’t realize that the great ritual at the altar of Truth has asacrifice
at its centre, and that sacrifice is _you_.VIMREPRESS VIEW BUG
09 _Sunday_ Mar 2014Posted by bwkeller
in computer
science
≈ LEAVE A COMMENT
TAGS
vim , writing
Heads up kids, if you are using vimrepress for blogging, and you wantto use
the BlogList and one of the edit (BlogEdit, BlogNew, etc.) features,make sure
you use separate vim sessions. Vimpress keeps a “view” state, soit knows
whether your buffer can be pushed to WordPress, and the state isshared between
tabs. So if you start a list in a second tab after you’ve startedediting,
vimrepress will not let you save your edit, unless you fire up anothertab in
the edit view to knock the state back to edit.WRITE MORE
09 _Sunday_ Mar 2014Posted by bwkeller
in computer
science ,
projects
≈ LEAVE A COMMENT
TAGS
markdown , vim
, writing
Well, hopefully I will be blogging a bit more frequently. I justfinished
writing a manuscript for a paper from the last 2 years of PhD work,and it was
no fun. I am, at this stage, pretty shitty at scientifc writing. I’mhoping
some practice will help improve me. I’ve installe the wicked vim-repress which willhopefully
make the whole affair more fun. I can’t stand writing with a toolother than
vim, and markdown is a bicycle to HTML’s 18-wheeler. Lighter andmore fun to
use.
Video
PEDAL-POWERED LIGHTSHOW 20 _Sunday_ Oct 2013Posted by bwkeller
in bikes
, projects
≈ LEAVE A COMMENT
TAGS
thinkhaus ,
velotweet
I’ve been working on building a pedal-powered twitter projection wall as part of a collaboration between Think|Hausand THAAT
, to display at HIVEX . On Saturday, our hardware genius Gord got the frame and motor mount completed, and we decided to have a brief rave-light party in the factory. PARALLEL COMPUTING WITH OPENMP & C 1: INTRODUCTION 17 _Thursday_ Oct 2013Posted by bwkeller
in computer
science ,
programming
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OpenMP , parallel
So, I’m taking a class this year on high performance computing, and I figure’d I might as well kill two birds with one stone: write some blog posts, and also get some studying done. Let’s get to it!WHAT IS OPENMP?
OpenMP is an API for working with shared memory parallel computers. Essentially everyone now owns one of these machines, as any multi-core machine is a shared memory parallel machine. What it isn’t is a tool for GPU programming or programming on distributed memory systems (like a Beowulf cluster). OpenMP is one of the fastest and easiest ways to squeeze extra performance our of modern multicore CPUs. HOW TO SET UP OPENMP? Unlike some parallel tools (I’m looking at you CUDA 2 years ago), OpenMP is _ridiculously _easy to set up. If you are running a Debian-like system, it is just: > apt-get install libgomp1 And that’s it! All you need to do now is compile your code, as you normally would, with gcc and the -fopenmp flag> gcc -fopenmp
How easy is that?
In the next post, we will write some simple C code using OpenMP.3D UNPRINTER
06 _Sunday_ Oct 2013Posted by bwkeller
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3d printing
One of the projects in my list of stuff I’ll get around to is making a 3D unprinter: a machine that can melt a thermoplastic object down and extrude it back into filament. McMaster has this cool course called Sustainable Future , and part of the course is for the students to do a real world project involving sustainability. I pitched the idea to the class, and I’ve got a team of 4 students now working with me to build one! We’re blogging here , and we’ve set up a github repo here . Watch our progress, we should have a good prototype by December.ILLEGAL POETRY
06 _Sunday_ Oct 2013Posted by bwkeller
in computer
science ,
copyfight ,
python
≈ 2 COMMENTS
TAGS
philosophy , poetry
, programming
I have always had a problem with the concept of intellectual property. The great
western tradition of post-enlightenment values have always placed the free flow of art and ideas on a pedestal, as a sacrosanct cornerstone of a just society. That the ideas living in our heads and flowing from our lips were the domain of no king, pope, or policeman is the one of the most important cultural norms that has emerged from the enlightenment into modern liberal democracies. The legal constructs associated with intellectual property, in my evaluation, cannot be reconciled with this. A corpuscle of information cannot be at once free to be spoken or expressed and also be the property of some individual and corporation. Information Theory , the fantastic work pioneered by Claude Shannon, only swells my distaste for intellectual property. We know now that with simple coding, all information is reducible to a common binary form. Film, print, music, photography: all is merely a collection of ordered bits. Which makes the idea of owning information all the more ridiculous, as the process can be just as easily reversed: A song can be represented by a string of Shakespeare quotations, a movie can be rendered in musical score. As an illustration of this, I’ve written a short program that takes any file and converts it to a long, rambling nonsense-poem. Poetryas Piracy.
MAKING THE WORDLISTS The first step is generating a set of words to use to generate our poems, categorized by their grammatical type. To do this, I downloaded the English wiktionary. I then used grep, sed, and awk to split it into plain lists of words: nouns, past tense verbs, present participle verbs, and adjectives. I then shuffled these lists, and trimmed them down so that their length was a multiple of 2. I didn’t need to do this, but it simplified the work slightly. In the end, I was left with 17 bits worth of information stored in each noun (131,072 words), 13 bits in each past-tense verb (8192), 13 bits in each present-participle verb (8192), and 15 bits for eachadjective.
SENTENCE SKELETONS
I then decided on two rough sentence skeletons: The ADJECTIVE NOUN PAST-VERBED the ADJECTIVE NOUN. ADJECTIVE NOUN is PRESENT-VERBING the ADJECTIVE NOUN. Each of those sentences can store 77 bits of information. A 1Mb file, for example, will require roughly 10,000 sentences, or about a novelette worth of words. If that 1 Mb file was a copyrighted song, you would _not _in fact have the freedom to print and distribute your nice new novel (not that you would want to, it would be randomnonsense.)
ENCODING THE FILE
Now, 77 bits is a bit awkward. Just choosing between each sentence type gives me 1 bit of information. I also get punctuation at the end. If I end each sentence with either a period, exclamation mark, two exclamation marks, or three exclamation marks, that gets me an extra two bits of information. This gets me up to 80 bits per sentence, or 10 bytes. I can now easily encode my data as nonsense poetry! I use the first bit to select which tense of verb, the second two decide if I get a period or exclamation series, and the rest determine the sentence itself. If my file isn’t nicely divisible into base 10, I simply add an additional line at the end: All that remains are NUM memories and NUM regrets. Where NUM is the base-10 representation of the remaining bytes in the first case, and the number of bytes remaining in the second instance (as a long string of leading zeros will get truncated in converting todecimal).
DECODING THE FILE
Decoding the file is as simple as just reading in each line, checking what sentence type it is, and what the punctuation at the end is, and returning it to the original binary form! FILESYSTEM ORGANIZATION FOR PHYSICISTS PART 1: THE PROBLEM 27 _Wednesday_ Jun 2012Posted by bwkeller
in research
≈ 1 COMMENT
TAGS
ast , astronomy
, computers
, programming
, science
, technology
I’ve been warned that I sometimes veer too far in the direction of toolmaker away from the standard path followed by most scientists. Try as I might, I cannot seem to avoid finding the process of _doing_ science nearly as interesting as the goal of _getting that science done_. And so, my mind has been orbiting around a problem I suspect is endemic amongst all physicists, if not all scientists. That problem, captured so nicely by this PhD comic is that of filesystem cruft. Science, being at it’s core an experimental art, produces for every successful idea a whole panoply of failed experiments, mistakes, and generally messed-up crap. Being paranoid creatures consumed by our own fears, along with the
awareness that serendipityhas been a
cornerstone of great work, we are loathe to sweep these ill-fated children of the mind into the trash where they (mostly) belong. And so those of us who rely on computers for most of our day-to-day work end up with home directories filled to the brim with old scripts, corrupted data files, a dozen different versions of the same list of values, and other digital detritus. And this situation makes for errors, confusion, thousand yard stare, anal leakage, and other evils too foul to discuss in polite company. Just looking at my /home directory on my workstation at the University, I have more than 100,000 files sitting around, waiting for me to stare at them for a quarter hour trying to remember what they were for. Continue reading →SUNSET TIME SERIES
04 _Sunday_ Sep 2011 Posted by nfitzgeraldin art
, projects
, python
≈ 1 COMMENT
TAGS
art , photography
, sunset
, vancouver island
Inspired by a reddit image post (which I cannot for the life of me find again), I decided to take a series of photos of the sunset from my parents’ house at Cedar-by-the-Sea, Vancouver Island. I many photos over the course of several hours using a digital camera fixed in position on a tripod. I thought it would look good to blend the images one into the other, so I wrote a quick python script using the Python Image Library. The script
blends consecutive images using linear interpolation. An artistic choice to make was how wide the blended regions should be. I tried everything from relatively thin blending regions: To almost completely blended images: In the end, however, I decided that what looked the best was actually to have no blending, but rather sharp boundaries between the images. This actually accentuates the effect I was going for, which was to show the changing light over time. Blending the images together actually lessens the effect, rather than enhancing it as had hoped. I plan to get the finished product printed and framed: Here’s the code for the script I used (apologies for quick-and-dirtiness):1
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import sys
from PIL import Image def imageblend(imdir, numimages = 5, blendwidth=0): if not blendwidth%2 == 0: raise Exception('blendwidth not even') im = Image.open(imdir+"im1.jpg") (width, height) = im.size for i in range(1, numimages):imnum = i+1
centre = i*width/numimages - 1 im_i = Image.open(imdir+'im%d.jpg'%(imnum)) for x in range(blendwidth): col_ind = centre - (blendwidth/2) + x +1 col_box = (col_ind, 0, col_ind+1, height-1) col_o = im.copy().crop(col_box) col_i = im_i.copy().crop(col_box) col = Image.blend(col_o, col_i, float(x)/blendwidth) im.paste(col, col_box) rest_box = (centre+blendwidth/2+1, 0, width-1,height-1)
rest = im_i.copy().crop(rest_box) im.paste(rest, rest_box) im.save(imdir+"im_output.jpg")def main():
imdir = sys.argv
imageblend(imdir)
if __name__=='__main__':main()
I’M BACK
30 _Tuesday_ Aug 2011Posted by bwkeller
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100daychallenge
, writing
So, as you are all fully aware, I have been silent for the past few weeks. Moving across the country can do that to you. Now that I am no longer living out of boxes, expect a rapid catchup as I make up theposts I missed.
I’ll be keeping track at the bottom of my posts.24
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BEN’S TWEETS
* RT @_iocheaira : My latest obsession is this funerary relief for a poor trampled little pig , who “crossed every land on foot, alone and in…21 hours ago
* RT @ConnorSouthard : Alan Dershowitz, Amy Chua, Jed Rubenfeld, Amy Wax, that guy in the long article on The Cut who fell for the silliest ro… 21 hours ago * RT @Raritania01 : @miyukijane@neilhimself
@doctorow
@argonthedevil1
@DaleInnis
In case anyone wants it: "By the early fifties Astounding ha… 22 hours ago * Attention @narsi1ion twitter.com/JeffreyMWard/s…23 hours ago
* RT @christapeterso : in memory of David Koch (via @patrickwinegar ) https://t.co/iY9wGKhugP23 hours ago
NICHOLAS’ TWEET’S * @yoavartzi @alsuhr A shirt 3 weeks ago * Come see @liviobs present our paper "Matching the Blanks: Distributional Similarity for Relation Learning" today at… twitter.com/i/web/status/1…3 weeks ago
* @yoavgo @chipro
That's just the state of the field, no different than how a partical physicist needs big expensive… twitter.com/i/web/status/1…2 months ago
* @yoavgo @chipro
That seems a bit cynical -- if you consider yourself a scientist whose goal is discover what kinds… twitter.com/i/web/status/1…2 months ago
* RT @uwcse : Congratulations to our newly-minted #UWAllen Ph.D.s! https://t.co/407wl73Mcr 2 months agoTOP POSTS
* Basic Data Plotting with Matplotlib Part 3: Histograms * Basic Data Plotting with Matplotlib Part 2: Lines, Points &Formatting
* 400 Word Essay 1: Public Libraries in the Digital Age * How to Replace the LCD Screen on an Acer Aspire One * Morbid Statistics & The 27 ClubTAGS
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I hate this class
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BLOGS WE READ
* Bad Astronomy
* Boing Boing
* Rationally Speaking * Terry Project (UBC)NICHOLAS’
TERRY POSTS
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