Author: Blaise Barney, Lawrence Livermore National Laboratory UCRL-MI-133316 Table of Contents Abstract In shared memory multiprocessor architectures, threads can beused to implement parallelism. Historically, hardware vendors haveimplemented their own proprietary versions of threads, making…

7 Jan 2006 SanJose Quetzalcoatl, El Dorado St. (PostSt. nowadays), Plaza de Cesar E. Chavez, St. James Park, FauxBear, Burbank, Monterey Rd., Lovely Willow Glen, San Jose ElectricLight Tower, Guadalupe River, Significant Signs, and more. Alviso Old Port of Alviso, SteamboatSlough, Alviso Yacht Club,…

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Notes on Programming in C Rob Pike February 21, 1989 Introduction Kernighan and Plauger's The Elements of Programming Style was an important and rightly influential book. Butsometimes I feel its concise rules were taken as a cookbookapproach to good style instead of the succinct expression ofa…

by Doug Lea [A German adaptation and translation of this article appears in unix/mail December, 1996. This article is now out of date, and doesn't reflect details of current version of malloc.] Introduction Memory allocators form interesting case studies in the engineering of infrastructure…

int x, y; // input values to compare signsbool f = ((x ^ y) Manfred Weis suggested I add this entry on November 26, 2009. int v; // we want to find the absolute value of vunsigned int r; // the result goes here int const mask = v >> sizeof(int) * CHAR_BIT - 1;r = (v + mask) ^ mask; Patented…

#define FasI(f) (*((int *) &(f)))#define FasUI(f) (*((unsigned int *) &(f)))#definelt0(f)(FasUI(f) > 0x80000000U)#definele0(f)(FasI(f) 0)#definege0(f)(FasUI(f) In many cases, it is useful to convert the result of acomparison, which is either 0 or some non-zero bit pattern, intoeither a "clean" 0 or…

In the previous post I have an initWithString method that looks like this: - (id)initWithString:(NSString *)aString { self = [super init]; if (self == nil) return nil; something = [aString retain]; return self;} I knew, as I was typing it, that I’d get some feedback along the lines that I should use…

Release 2 (2009 Jun 14) This is a very quick-and-dirty guide meant to get you started withthe GNU Debugger, gdb , from the command line in aterminal. Often times gdb is run via an IDE, butmany people out there shun IDEs for a variety of reasons, and thistutorial is for you! Again, this is only a…

May 25, 2010 Gestures Way back when, computers used to only have command line interfaces. To get a PC to do anything at all, people had to memorize commands, and type them in correctly. But forcing people to memorize commands is not particularly user friendly. As a result, few people knew how to use…

The Adams Theory of Content Value The Adams Theory of Content Value: As our ability to search for media content improves, the economic value of that content will approach zero. I heard someplace, albeit unreliably, that 90% of all music that people own for personal use is stolen. Let’s agree that…

After nearly two years of leaving my desktop and a 3 monitor setup behind, I’m back to 3 monitors + 1, four screens in total, all running from my MacBook Pro. My My Multimonitor Setup: Three Screens For One Computer post explains how I used to run three monitors from my Windows XP desktop. When I…

reddit is a source for what’s new and popular online. vote on links that you like or dislike and help decide what’s popular, or submit your own! Please read this FAQ before you submit a self.programming post. A lot of stuff has been asked and answered before. Go ahead and edit this page to keep it…

From Wikipedia, the free encyclopedia (Redirected from HBase ) Jump to:, Apache HBase Developer(s) Apache Software Foundation Stable release 1.2.3 / 12 September 2016 ( 2016-09-12 ) Development status Active Written in Java Operating system Cross-platform License Apache License 2.0 Website…

Posted by FriendFeed was shut down on April 9, 2015. We maintained the service since we joined Facebook in 2009, but the number of people using FriendFeed had been steadily declining and in the end, the community was just a fraction of what it once was. Given this, we decided that it was time to…

It Must be Crap on Relational Dabases Week Thursday, July 2, 2009 at 3:28AM It's hard to be a relational database lately. After years of faithful service everywhere you look the world is turning against you: Recently at the NoSQL conference 150 revolutionaries met with their new anti-RDBMS arms…

OS X is a popular platform for professional photographers, and offers a huge range of software which can help to take better photos, streamline post-processing, sell images, and publish them for others to view. Whether you’re a complete amateur or a seasoned pro, this roundup will have something new…

bumptop A 3D Physics Desktop Experience About Source Code