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The most popular blog posts about software engineering on Hacker News. 488 posts.
This will create the neccesary directories, install nginx and gunicorn under supervisord control and upload new configuration files made from templates on all the app-servers. Additionally it deploys the newest codebase from your local git branch.
<img src="http://stevehanov.ca/wavelet/cup.png"/> Let's say you have millions of pictures of faces tagged with names. Given a new photo, how do you find the name of person that the photo most resembles? <p> In the cases I mentioned, each record has hundreds or thousands of elements: the pixels in a photo, or patterns…
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Objective-C remains an impediment for many programmers coming to the Mac or iPhone platforms — few programmers have ever experienced it before learning Cocoa, forcing two learning curves at once for new Cocoa developers. How did Apple end up with such a weird language? And for a company known to replace CPU…
This morning Miroslav Bajtoš asked "Why do C++ folks make things so complicated?" in response to my article on regular expressions in C++. Other people asked similar questions yesterday. My response has two parts: Why I believe C++ libraries are often complicated. Why I don't think it has to be that way. Why would…
How a computer scientist, a programmer and a developer differ in skills, focus and priorities, even though the terms are often used interchangeably.
This is too long and rambling, but to steal a joke from Mark Twain Blaise Pascal I haven’t had time to make it shorter yet. There is some discussion of this post on the git mailing list , but much of it is tangential to the points I’m trying to make here.
Definitions git‘s Index Branches Remote Repositories Merges Managing a Website Using git Tags Essential Commands git is a wicked-powerful distributed revi
Learning JavaScript Design Patterns is a book with examples of JavaScript design patterns and how to apply them to your code.
Algorithms, circle mazes, hex grids, masking, weaving, braiding, 3D and 4D grids, spheres, and more!
Last weekend I tweeted two links to two tweets by a poor guy who apparently got his MongoDB database into an unrecoverable state during shutdown whilst upgrading to a newer version. That tweet quickly made the rounds, and the next morning I saw myself staring at replies stating that it was all his fault, because he…
The terms lvalue and rvalue are not something one runs into often in C/C++ programming, but when one does, it's usually not immediately clear what they mean. The most common place to run into these terms are in compiler error & warning messages. For example, compiling the following with gcc :
Lua/APR is a binding of the Apache Portable Runtime (APR) for the Lua programming language . APR powers software such as the Apache webserver and Subversion and Lua/APR makes the APR operating system interfaces available to Lua, serving as an extended standard library. Thus far the following modules have been…
There has been quite a bit of furor and excitement on the Internet this week regarding some very public criticisms (and defenses) of MongoDB and its creators, 10gen . Unfortunately, a ghost from my recent past also resurfaced as a result. Let me begin by apologizing to 10gen and its engineers for what I said at JSConf…
Over the years, I've seen a lot of confusion about JavaScript function invocation. In particular, a lot of people have complained that the semantics of this in function invocations is confusing. In my opinion, a lot of this confusion is cleared up by understanding the core function invocation primitive,
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In an earlier post I mentioned that one goal of the new introductory curriculum at Carnegie Mellon is to teach parallelism as the general case of computing, rather than an esoteric, specialized sub…
Algorithms, circle mazes, hex grids, masking, weaving, braiding, 3D and 4D grids, spheres, and more!
While reviewing some of the comments on my post about parallelism and concurrency, I noticed that the great fallacy about dynamic and static languages continues to hold people in its thrall. So, i…
Craft is a demo running on its own minimalistic demo platform. The demo platform is based on an ATmega88 microcontroller.
Google’s Chris DiBona emailed me this morning to tell me that unless I removed a specific line from the license of my jsmin-php project (a PHP port of Douglas Crockford’s JSMin ), Google Code would no longer host the project.
The first three newsgroups created inside Netscape (then Mosaic Communications ), when our news server went online the first time, were mcom.general, mcom.humour, and mcom.bad-attitude.
FOUT is what I’m calling the flash of unstyled text that you get while using @font-face in Firefox and Opera.
Context free grammars (CFGs) are a valuable theoretical tool on which the modern compilation theory relies for parsing the code of programming languages. For example, the most popular tool used for parsing – YACC , generates parsers for CFGs. What most people don’t know 1 is that the vast majority of programming…
On occasion you meet a developer who seems like a solid programmer. They know their theory, they know their language. They can have a reasonable conversation about programming. But once it comes do…
