SEARCH KEYWORD -- Linux kernel
aspã€phpã€asp.netã€jsp介ç»åŠä¼˜ç¼ºç‚¹æ¯”较
现在主æµçš„网站开å‘è¯è¨€æ— 外乎aspã€phpã€asp.netã€jspç‰ã€‚ 网页从开始简å•çš„hmtl到å¤æ‚çš„æœåŠ¡è¯è¨€ï¼Œèµ°è¿‡äº†10多个年头,å„ç§æŠ€æœ¯å±‚出ä¸ç©·ï¼Œå•ä¸ªçš„主æµæŠ€æœ¯ä¹Ÿåœ¨ä¸æ–翻新的版本,现在分...
The most stupid C bug ever
I have been programming for a number of years already. I have seen others introduce bugs, and I have also introduced (and solved!) many bugs while coding. Off-by-one, buffer-overflow, treating pointers as pointees, different behaviors or the same function (this is specially true for cross-platform applications), race conditions, deadlocks, threading issues. I think I have seen quite a few of the typical issues. Yet recently I lost a lot of time to what I would call the most stupid C bug in ...
C,Bug,Comment,Back slash 2012-04-22 03:40:49
Optimization Tricks used by the Lockless Memory Allocator
With the releasing of the Lockless Memory Allocator under the GPL version 3.0 license, we can now discuss more of the optimization tricks used inside it. Many of these are things you wouldn't want to use in normal code. However, when speed is the ultimate goal, sometimes we need to break a few rules and use code that is a little sneaky.The SlabA slab is a well-known technique for allocating fixed size objects. For a given object size, a chunk of memory is divided up into smaller regions of that ...
Optimization,Memory allocation 2011-11-16 08:02:16
My life as a freelancer
In the summer of 2006 a work buddy, George, has told me that I could make some extra money programming on a site named Rent A Coder. I’ve signed up the same day. After losing some time on a project that never started I lost my interest in “coding for moneyâ€. I almost forgot about RAC.Fast-forward two years, I was a PhD student at a small North American University with a student visa and … nothing else in my pockets. For a few months I was able to make a living from ...
Life,Freelancer,C,Rent a Coder,RAC 2011-11-07 02:53:03
Host multiple websites in Wamp
I have decided to start playing around with the Zend Framework. I have a web host (of course) however sometimes when developing I find it is easier and faster to use a local web server, with all the bells and whistles. WAMP, LAMP (this link is ubuntu specific, but any linux distribution should have easy HowTo guide for installing the LAMP software stack), MAMP, all provide the basic environment for beginning web development, and some have nice little GUIs to help you con...
multiple hosts, wamp, websites, differen 2011-04-04 11:42:06
Man Survives Steve Ballmer’s Flying Chair To Build ’21st Century Linux’
Mark Lucovsky, famous for building Windows NT and watching Steve Ballmer throw a chair.Mark Lucovsky was the other man in the room when Steve Ballmer threw his chair and called Eric Schmidt a “fucking pussy.â€Yes, the story is true. At least according to Lucovsky. Microsoft calls it a “gross exaggeration,†but Lucovsky says that when he walked into Ballmer’s office and told the Microsoft CEO he was leaving the company for Google, Ballmer picked up his chai...
VMWare,Founder,Mark Lucovsky,Microsoft,Google,Cloud Foundry 2011-11-25 03:00:39
How to Ace a Google Interview
Imagine a man named Jim. He's applying for a job at Google. Jim knows that the odds are stacked against him. Google receives a million job applications a year. It's estimated that only about 1 in 130 applications results in a job. By comparison, about 1 in 14 high-school students applying to Harvard gets accepted. Jim's first interviewer is late and sweaty: He's biked to work. He starts with some polite questions about Jim's work history. Jim eagerly explains his short career. The intervi...
Google,Interview,Questions and answers,Job 2011-12-26 09:17:36
First steps with Scala, say goodbye to bash scripts…
Those who know me are aware that I’ve been following play framework, and actively taking part of it’s community, for a couple of years. Playframework 2.0 is right around the corner, and it’s core is programmed in Scala, so it’s a wonderful opportunity to give this object-oriented / functional hybrid beast a try… Like many others, I will pick a very simple script to give my first steps… Finding an excuse to give Scala a try With a couple of friends we are ...
Scala,Functional programming,Bash script,Replacement 2012-01-12 06:45:16
A Sip of Go Log
Logging is indispensable in any code that we need its support both in debugging and in statistics. However, a package that filled withfmt.Println/fmt.Printf printing various messages can never be considered a read-to-be-adopted package, which can be optimized by a simple change, using Golang’s native log package to print information to standard output or to a file. Then, how to apply the log package? Are there any limitations? If so, can we seek open-source packages? Let&rsq...
How big are PHP arrays (and values) really? (Hint: BIG!)
Upfront I want to thank Johannes and Tyrael for their help in finding some of the more hidden memory usage. In this post I want to investigate the memory usage of PHP arrays (and values in general) using the following script as an example, which creates 100000 unique integer array elements and measures the resulting memory usage: <?php $startMemory = memory_get_usage(); $array = range(1, 100000); echo memory_get_usage() - $startMemory, ' bytes'; How much would you expect it to ...
PHP,Array,Memory occupation,Garbage collection 2011-12-16 10:06:04
RECENT
- Streamlining the Project Invoicing Process: Tools and Strategies
- Performance comparison of string concatenation in Go language
- Why init() is not recommended in Go
- The Role of Coding Skills in Advancing Tech Careers
- Tips for Socializing With Friends During College
- Proximity Cards Do More Than Just Open Doors
- How to choose quality painted auto parts
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- GoLand connect to Hologres
- more>>