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With the massive SOPA/PIPA website content blackout on January 18th (including major sites such as Wikipedia), the general public suddenly became far more educated on digital freedom issues. The music and movie industry has amassed a fortune in the last 50 years selling music and movies before the dawn of the Internet. Back then, if you wanted music, you had to buy it on some physical medium such as a cassette tape or CD. Similarly, if ..
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With the massive SOPA/PIPA website content blackout on January 18th (including major sites such as Wikipedia), the general public suddenly became far more educated on digital freedom issues. The music and movie industry has amassed a fortune in the last 50 years selling music and movies before the dawn of the Internet. Back then, if you wanted music, you had to buy it on some physical medium such as a cassette tape or CD. Similarly, if ..
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Hi all, Just released a new app, in collaboration with Chris Sienkiewicz and Dave Crawford. For more info follow the wpcentral review or have a watch of the video below. Grab the app here: Marketplace Link Get updates and info by liking here: Facebook page As always would love to hear your thoughts on the app. @fleon - sorry no beta this time round, will let you know if we do one for future releases
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Chi mi segue da tempo sa che l’educazione è un argomento che mi sta particolarmente a cuore ed è forse per questo motivo che spesso le persone mi chiedono consigli su come imparare a programmare. Gli articoli più letti di questo sito sono senz’altro le guide alla programmazione; Impara Python in 10 minuti e la serie sulle Regular Expression sono vere e proprie Hit, ma certo non sono adatte ai principianti. L’ultima mail è di pochi gior..
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We all know that Gmail is the best email provider out there. It’s in the browser, it’s all ajaxy, you never delete anything, your emails are cleverly organized into conversations, you know the drill… But have you ever tried to use more than one account at a time? It’s horribly broken. Let’s have a look at your options… Multiple sign-in Google allows you to log into more than one account at a time. They provide you with a menu option to ....
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We all know that Gmail is the best email provider out there. It’s in the browser, it’s all ajaxy, you never delete anything, your emails are cleverly organized into conversations, you know the drill… But have you ever tried to use more than one account at a time? It’s horribly broken. Let’s have a look at your options… Multiple sign-in Google allows you to log into more than one account at a time. They provide you with a menu option to ....
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This proof assumes knowledge of complex analysis, specifically the notions of analytic functions and Liouville’s Theorem (which we will state below). The fundamental theorem of algebra has quite a few number of proofs (enough to fill a book!). In fact, it seems a new tool in mathematics can prove its worth by being able to prove the fundamental theorem in a different way. This series of proofs of the fundamental theorem also highlights how ..
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This proof assumes knowledge of complex analysis, specifically the notions of analytic functions and Liouville’s Theorem (which we will state below). The fundamental theorem of algebra has quite a few number of proofs (enough to fill a book!). In fact, it seems a new tool in mathematics can prove its worth by being able to prove the fundamental theorem in a different way. This series of proofs of the fundamental theorem also highlights how ..
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This proof assumes knowledge of complex analysis, specifically the notions of analytic functions and Liouville’s Theorem (which we will state below). The fundamental theorem of algebra has quite a few number of proofs (enough to fill a book!). In fact, it seems a new tool in mathematics can prove its worth by being able to prove the fundamental theorem in a different way. This series of proofs of the fundamental theorem also highlights how ..
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I was using django-filebrowser on a project and my Rackspace VM quickly ran out of disk space. Since the site isn’t getting much traffic at all, I didn’t want to pay extra for a bigger VM. Instead, I decided to move all of the user uploaded media to Rackspace Cloudfiles . It’s super cheap and they have a nice API. Now, the challenge was to make the transition from a filebrowser-based system. First of all, I knew I was going to use dja....
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I was using django-filebrowser on a project and my Rackspace VM quickly ran out of disk space. Since the site isn’t getting much traffic at all, I didn’t want to pay extra for a bigger VM. Instead, I decided to move all of the user uploaded media to Rackspace Cloudfiles . It’s super cheap and they have a nice API. Now, the challenge was to make the transition from a filebrowser-based system. First of all, I knew I was going to use dja....
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After almost 15 hours or compile-try-fail-repeat, I’ve figured out the formula for compiling nodeJS on a Phidget SBC2 board!
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A First Look at Google’s N-Gram Corpus In this post we will focus on the problem of finding the appropriate word boundaries in strings like “homebuiltairplanes”, as is common in web URLs like www.homebuiltairplanes.com. This is an interesting problem because humans do it so easily, but there is no obvious programmatic solution. We will begin this article by addressing the complexity of this problem, continue by implementing a simple model u..
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A First Look at Google’s N-Gram Corpus In this post we will focus on the problem of finding the appropriate word boundaries in strings like “homebuiltairplanes”, as is common in web URLs like www.homebuiltairplanes.com. This is an interesting problem because humans do it so easily, but there is no obvious programmatic solution. We will begin this article by addressing the complexity of this problem, continue by implementing a simple model u..
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A First Look at Google’s N-Gram Corpus In this post we will focus on the problem of finding the appropriate word boundaries in strings like “homebuiltairplanes”, as is common in web URLs like www.homebuiltairplanes.com. This is an interesting problem because humans do it so easily, but there is no obvious programmatic solution. We will begin this article by addressing the complexity of this problem, continue by implementing a simple model u..
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This week was a lot of under the hood improvements. The voxel engine got a TON of performance optimizations, which allow my Nvidia GTX 260 to render my test scene at 100-200 FPS. Screenshots: New features: Rough-draft tutorial level with instructions and whatnot. Fullscreen toggling on-the-fly by hitting F11 Rudimentary fog effect Performance optimizations: Voxels are now rendered as surfaces, rather than complete ....
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As evangelical Christians, we believe in what is called the inerrancy of the Bible. This means that we believe that the Word of God contains no mistakes. I love the way pastor Mark Driscoll puts it: If we see something in the Bible that we don’t agree with, it means we’re wrong. I am continually amazed at how many people will dismiss entire passages in the Bible as silly or primitive. We are intelligent modern people, we don’t belie..
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As evangelical Christians, we believe in what is called the inerrancy of the Bible. This means that we believe that the Word of God contains no mistakes. I love the way pastor Mark Driscoll puts it: If we see something in the Bible that we don’t agree with, it means we’re wrong. I am continually amazed at how many people will dismiss entire passages in the Bible as silly or primitive. We are intelligent modern people, we don’t belie..
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Google is an extremely powerful set of tools (not just the search engine - Google apps as well!). However, few people really know how to find what they want using it. So here are a few tips you can use when using Google: Putting quotes around a set of words tells Google to search for those words specifically as a single item - for example, to search only for cell phone radiation you could enter:
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Google is an extremely powerful set of tools (not just the search engine - Google apps as well!). However, few people really know how to find what they want using it. So here are a few tips you can use when using Google: Putting quotes around a set of words tells Google to search for those words specifically as a single item - for example, to search only for cell phone radiation you could enter:
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David Padilla of Crowd Interactive recently realized he was on this recruiting site called GitHire. They use algorithms to inspect your…
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For those of you who don’t know what Phidgets are, they are small robotic prototyping boards which can handle (binary) input and output…
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My last post was about creating a generic npm package to talk to a phidget board. This post is about compiling nodeJS to run on a phidget board
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Are you already in love with Git? I’m pretty sure of that, that’s the reason why you are reading this, huh? These are the steps you should follow to migrate an existing SVN repository to a Git one: 1 – Create a file where you will map SVN users to Git users, following this pattern: svn_user = git_user This is the one I created to migrate some SVN repositories from Google Code: $ cat authors_mapping_googlecode dpecos = Daniel Peco....
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A few updates should be rolling out soon to searchco.de with the first being a big jump on the amount of open source/free software code being indexed. At last check there was about 1.1 billion lines of code indexed. This should more then double in the next release to well over 2 billion. When I have an exact count I will publish it here. Secondly some massive speed increases are on the way. This will mostly be due to beefing up the server..
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This primer is a third look at Python, and is admittedly selective in which features we investigate (for instance, we don’t use classes, as in our second primer on random psychedelic images). We do assume some familiarity with the syntax and basic concepts of the language. For a first primer on Python, see A Dash of Python. We’ll investigate some of Python’s useful built-in types, including lists, tuples, and dictionaries, and we use them t..
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This primer is a third look at Python, and is admittedly selective in which features we investigate (for instance, we don’t use classes, as in our second primer on random psychedelic images). We do assume some familiarity with the syntax and basic concepts of the language. For a first primer on Python, see A Dash of Python. We’ll investigate some of Python’s useful built-in types, including lists, tuples, and dictionaries, and we use them t..
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This primer is a third look at Python, and is admittedly selective in which features we investigate (for instance, we don’t use classes, as in our second primer on random psychedelic images). We do assume some familiarity with the syntax and basic concepts of the language. For a first primer on Python, see A Dash of Python. We’ll investigate some of Python’s useful built-in types, including lists, tuples, and dictionaries, and we use them t..
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Sneak Peak: http://www.wpcentral.com/sneak-peek-square-sharing-app-windows-phone [youtube http://www.youtube.com/watch?v=u37FcXQUat4&w=560&h=315 ]
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So I'm working on a new design for my site and using the super-great stylus CSS preprocessor along with this great gist for simple responsive layout (again with stylus and the nib library). Well, I wanted to see which of my CSS3 media queries were in effect. Here's a simple way to do it with the :before selector. First, put some markup in your HTML near the top, like this (using jade template language . body .content header ..
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JavaScript non è mai la prima scelta di un aspirante programmatore. Spesso si finisce per usarlo all’occorrenza, per giochetti AJAX o per manipolare il DOM. Google, copia & incolla, e JavaScript è servito. Prima o poi l’abbiamo fatto tutti. E’ un vero peccato perché JavaScript merita di ben altra attenzione. A spiegarlo al mondo è stato naturalmente Douglas Crockford in JavaScript: The Good Parts , un libretto di 172 intensissime pagin..
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I recently started playing Tiny Towers (a couple weeks ago) and although I’m not an expert at the game, I found
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Back in december of 2004 I started a new life from zero. I was 22 years old without any money, education or connections. I borrowed my mothers computer and started to learn HTML and internet marketing. That is now 7 years ago and each year I publish an annual report. Main highlights from 2011 My [...]
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Back in december of 2004 I started a new life from zero. I was 22 years old without any money, education or connections. I borrowed my mothers computer and started to learn HTML and internet marketing. That is now 7 years ago and each year I publish an annual report. Main highlights from 2011 My [...]
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Today we’ve added support for our new HTML5 widget to the oEmbed endpoint. Aside from a brand new user interface with lots of improvements, the HTML5 widget doesn’t require Adobe Flash anymore. That means the widget will load much faster and finally work well on most mobile platforms, including Android & iOS. And we won’t stop here. We’ll continue to improve the new widget in the coming months.
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Today we’ve added support for our new HTML5 widget to the oEmbed endpoint. Aside from a brand new user interface with lots of improvements, the HTML5 widget doesn’t require Adobe Flash anymore. That means the widget will load much faster and finally work well on most mobile platforms, including Android & iOS. And we won’t stop here. We’ll continue to improve the new widget in the coming months.
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Rectangles, Trapezoids, and Simpson’s I just wrapped up a semester of calculus TA duties, and I thought it would be fun to revisit the problem of integration from a numerical standpoint. In other words, the goal of this article is to figure out how fast we can approximate the definite integral of a function $ f:\mathbb{R} \to \mathbb{R}$. Intuitively, a definite integral is a segment of the area between a curve $ f$ and the $ x$-axis, where..
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