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  Highly efficient PHP code writing


Next are some tips for writing highly efficient PHP codes. They are described below: 0. Use single quote to replace double quote, this will be better since PHP will serach for variables in double quoted strings. Note, only echo can do this; 1. If we can define methods of a class as static, then do it. It will increase access speed by 4 times; 2. $row["id"] is 7 times faster than $row[id]; 3. echo is faster than print, and also use echo's multiple parameter format such as echo $str1,$str2 inst...

   PHP,Code writing,High efficient,Tips     2011-07-23 12:35:50


  ARM adopts 64-bit architecture


ARM has disclosed technical details about its new v8 architecture - the first to include a 64-bit instruction set - at ARM TechCon 2011 in Santa Clara, California.The next-gen architecture will expand the reach of ARM processors in the consumer and enterprise markets where extended virtual addressing and 64-bit data processing are required.According to ARM CTO Mike Muller, ARMv8 architecture consists of two main execution states: AArch64 and AArch32. 

The AArch64 execution state introduces ...

   ARM,Processor,64 bit,Architecture,v8,Nvidia     2011-10-28 10:31:52


  How to praise yourself in resume


When finding a job, we first need to send our CV and resume to the employer. Among many candidates, how do we make our resume prominent and noticed by the employer. We need some impressive information. We can praise ourselves in the resume so that the employer can have a good impression on me. Here we summarized a list about how to praise ourselves in our resume.Mature, dynamic and honest.Excellent, ability of systematical management.Ability to work independently, mature and resourceful.A person...

   Resume,Career,Job,Content     2012-06-09 00:27:14


  Flash, HTML5 comparison finds neither has performance advantage


A comparison of streaming video via the Adobe Flash and HTML5 formats with numerous different browsers on both Mac and Windows produced wildly different results based on the operating system and browser, making neither a clear winner. The test, from Streaming Learning Center, was conducted in response to recent comments alleged to have been said by Apple co-founder Steve Jobs, in which he reportedly called Flash a "CPU hog." While the test found that HTML5 is significantly more efficient th...

   html5,flash,performance,comparison     2011-07-01 10:08:00


  China to expand 4G network across the country


According to Xinhua news, China Mobile, the country's largest telecommunication company is expanding its commercial trials of 4G network across the country including Tibet. On Tuesday, the Tibet branch of China Mobile held a ceremony to mark the beginning of its 4G network trial in Tibet. This plan includes building new 4G base stations there and also provide support for connecting to the 4G network. In this new plan, China Mobile's high speed network services will soon benefit people living in ...

   4G,China Mobile,Tibet     2013-06-13 05:06:41


  The "C is Efficient" Language Fallacy


I came across an article yesterday about programming languages, which hit on one of my major peeves, so I can't resist responding. The article is at greythumb.org, and it's called Programmer's rant: what should and should not be added to C/C++. It's a variation on the extremely common belief that C and C++ are the best languages to use when you need code to run fast. They're not. They're good at things that need to get very close to the hardware - not in the efficiency sense, but in the...

   C,GCC,Fallacy,Evolvement     2012-01-09 08:54:46


  All Programmers Are Self-Taught


When I was a teenager I played high caliber baseball. I’m competitive to a fault and when I decide I want to be good at something, results usually follow. Now I’m a third year undergrad studying computer science. There’s something critically different between programming and sports though: A pitching coach teaches you how to pitch, but a CS professor doesn’t teach you how to code. I was surprised that neither my TAs nor professors critiqued my code during my first year, but grew con...

   Programming,Style,Habit,Self learning     2011-12-21 10:25:50


  Macro vs. Micro Optimisation


So there's recently been a bit of hype about another Colebourne article: http://blog.joda.org/2011/11/real-life-scala-feedback-from-yammer.html I'd like to respond to a few points he makes. First - You should evaluate Scala and pay attention to its benefits and flaws before adopting it.  Yes, there are flaws to Scala.   Working at typesafe makes you more aware of some of them.  We're actively working to reduce/minimize/get rid of these.   In my opinion, the negat...

   Optimization,Performance,Micro,Macro,Software     2011-11-30 12:04:25


  30-Minute Exercise to Become a Better Programmer


I believe that motivation is really important. That’s why from time to time I read books about time management (as they motivate me to be focused and continue evolve my TM-system) and books about software craftsmanship. The other day I finished one of this kind of books - “Apprenticeship Patterns: Guidance for the Aspiring Software Craftsman”. This book motivated me to think carefully what I want to invest my time in. Also, it coincided with my 25th birthday and, of course, the new...

   Programmer,Exercise,Skill,Requirements     2012-01-28 07:21:13


  JavaScript tips both novice and veteran developers can benefit from


In this post, we will share some less known but powerful JavaScript tips which can benefit both novice and veteran JavaScript developers. 1. Truncate array with array length We all know that object are passed by reference in JavaScript, but we may be bitten by this rule. Please check below example: var arr1 = arr2 = [1, 2, 3]; //Change arr1 arr1 = []; // arr2 will still be [1,2,3] arr1 and arr2 point to the same array [1,2,3] initially, later when arr1 repoints to [], the reference to arr2 is n...

   JavaScript,Array,push     2013-08-21 04:09:10