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What Every C Programmer Should Know About Undefined Behavior #3/3
In Part 1 of the series, we took a look at undefined behavior in C and showed some cases where it allows C to be more performant than "safe" languages.
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The latest blog posts to take off on Hacker News. 173 posts.
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Perl 5.14 released
Awesome! Now http://www.cpan.org/src/README.html needs to be updated so perlbrew can find it.
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What Every C Programmer Should Know About Undefined Behavior #2/3
In Part 1 of our series, we discussed what undefined behavior is, and how it allows C and C++ compilers to produce higher performance applications than "safe" languages. This post talks about how "
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What Every C Programmer Should Know About Undefined Behavior #1/3
People occasionally ask why LLVM-compiled code sometimes generates SIGTRAP signals when the optimizer is turned on. After digging in, they find that Clang generated a "ud2" instruction (assuming X86 code) - the same as is generated by __builtin_trap().
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The context sensitivity of C's grammar
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…
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Objective-C's niche: why it survives in a world of alternatives
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…
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PyPy 1.5 Released: Catching Up
We're pleased to announce the 1.5 release of PyPy. This release updates PyPy with the features of CPython 2.7.1, including the standard libr...
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The myth of the Lisp genius
I'm fascinated by the myth of the Lisp genius, the eccentric programmer who accomplishes super-human feats writing Lisp. I'm not saying that such geniuses don't exist; they do. Here I'm using "myth" in the sense of a story with archetypical characters that fuels the imagination. I'm thinking myth in the sense of…
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Finally someone makes sense of JavaScript's this keyword
(In Portugese) The JavaScript this keyword is ubiquitous yet misconceptions abound. What you need to know Every execution context has an associated ThisBinding whose lifespan is equal to that of th…
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Joel Spolsky: Can your programming language do this?
One day, you’re browsing through your code, and you notice two big blocks that look almost exactly the same. In fact, they’re exactly the same, except that one block refers to “Sp…
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Review: Learn You a Haskell for Great Good
Learn You a Haskell for Great Good! (A Beginner's Guide) by Miran Lipovača, published by No Starch Press (2011). No Starch was kind enough to send me an advance copy for review.
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Super Mario 64 was built with a system written in Lisp
Franz is a leading vendor of Graph Search Technology (AllegroGraph and Gruff) and Common Lisp Software Development Tools (Allegro CL and AllegroCache)
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Linus Torvalds on Garbage Collection (2002)
This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project .
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Go At Heroku (Doozer)
Two Heroku system engineers discuss their experiences using Go.
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The Lisp Curse
The expressive power of Lisp has drawbacks.
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"A JVM Does What?"
Cliff Click gave a very good talk at Google last week. For your viewing enjoyment: The slides are available here . (For those who watched i...
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Peter Norvig's Sudoku solver: Clojure & Python side by side
As an exercise, I translated Peter Norvig’s Sudoku solver from Python to Clojure. There have been a couple other attempts before, but they both leaned on Clojure’s reference types as a …
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Pipe: Infix syntax for Python
สล็อต แตก ดี เว็บ ตรง เกมสล็อตระดับโลก ครบครันในที่เดียว2011240 points41 commentsProgramming Languages details
สล็อต แตก ดี เว็บ ตรง ถูกพัฒนาให้ใช้งานได้สะดวกมากขึ้นผ่านระบบออโต้ของสล็อตวอเลท ที่ช่วยให้ทุกขั้นตอนตั้งแต่การเข้าเล่นไปจนถึงการรับเงิน
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GNU Compiler Collection 4.6.0 released with Go programming language support
The GNU project and the GCC developers are pleased to announce the release of GCC 4.6.4.
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Parallelism is not concurrency
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…
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Dynamic languages are static languages
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…