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  trim() in JavaScript

In the past, JavaScript didn't define the trim() function for String object. This makes web programmers frustrated since they often need to implement this function themselves if they want to handle user inputs. The new version of ECMA-262 introduces the trim() function.15.5.4.20   String.prototype.trim ( )     The following steps are taken:     1.   Call CheckObjectCoercible passing the this value as its argument.   2.   Let S...

   JavaScript,trim(),implementation     2012-07-19 10:58:01

  Fuzzy search algorithm in Sublime Text

Fuzzy string searching is the technique of finding strings that match a pattern approximately (rather than exactly. In many editors, we can easily find the Find menu item to do exact matching. While in Sublime Text and some other editors, we can use fuzzy string searching as well if we just want to have an approximate match. There is some algorithm implemented in Sublime Text to implement achieve this. First the search query is split into characters, join them with a regex wildcard, and then run...

   Sublime Text,Fuzzy search     2013-10-14 22:49:38

  If PHP Were British

When Rasmus Lerdorf first put PHP together, he - quite sensibly, despite his heritage - chose not to write it in Greenlandic or Danish. Good job too - that would have been rather unpleasant to work with. He opted instead, being in Canada at the time, for the local tongue. No, not French - that bastard dialect of the Queen's English commonly referred to as "US English"1. PHP developers in Britain have been grumpy about this ever since. What was he thinking? And more importantly, how do we ...

   PHP,British,Class,Statement,Engilish like     2011-12-01 02:36:55

  List of freely available programming books

Meta-ListsHow to Design Programs: An Introduction to Computing and Programming25 Free Computer Science EbooksFree Tech BooksMindView IncWikibooks: ProgrammingCheat Sheets (Free)CodePlex List of Free E-BooksBook Training - On Video!Sofware Program Managers Network - Free EBooksEBook Share @ linbai.infoFreeBooksClub.NetTheassayer.orgO'Reilly's Open Books ProjectTechBooksForFree.comGalileo Computing (German)Microsoft Press: Free E-BooksGraphics ProgrammingGPU GemsGPU Gems 2 - ch 8,14...

   Free,eBook,Links,Programming,List     2011-11-14 08:03:34

  Eight C++ programming mistakes the compiler won’t catch

C++ is a complex language, full of subtle traps for the unwary. There is an almost infinite number of ways to screw things up. Fortunately, modern compilers are pretty good at detecting a large number of these cases and notifying the programmer via compile errors or warnings. Ultimately, any error that is compiler-detectable becomes a non-issue if properly handled, as it will be caught and fixed before the program leaves development. At worst, a compiler-detectable error results in los...

   C++,Compiler,Error detection     2012-04-08 09:55:20

  Sort an array with only one local variable

Array sorting algorithm question is frequently asked during technical interviews. There are lots of sort algorithms including bubble sort, selection sort, insertion sort, quick sort, merge sort etc. Usually interviewees will be asked to implement sort algorithms. But have you ever been asked to sort an array which you are allowed to define ONLY ONE local variable in your algorithm?  Bubble sort can be used to do this actually. Normally a bubble sort algorithm may need three local ...

   JAVASCRIPT,ALGORITHM,SORTING,BUBBLE SORT     2016-10-07 09:46:49

  Tips to improve JavaScript efficiency

Writing JavaScript code is tedious and error prone. You not only need to implement the necessary functions, but also need to ensure cross browser compatibility. This often causes the low efficiency of JavaScript developers. Here we recommend 12 tips you can benefit from. 1. Remove array element by index If we want to remove one element in an array, we can use splice. function removeByIndex(arr, index) { arr.splice(index, 1); } test = new Array(); test[0] = ’Apple’; test[1] = &rsq...

   JavaScript,Tips,Array     2013-07-27 20:50:40

  Put Your HTML in a Box

In the first article in this series, I walked through the basics of cascading style sheets (CSS) and showed how CSS can make your code easier to maintain. CSS allows you to keep your presentation rules separate from your content, and I showed you some of the benefits this separation provides. In this article, I’ll move forward with CSS and describe how to position elements on a page.The first step in understanding how to position elements is to understand the fundamental model of CSSâ€...

   HTML,Box,Div,Container,Format     2011-08-19 08:22:58

  How to create offline HTML5 web apps in 5 easy steps

Among all cool new features introduced by HTML5, the possibility of caching web pages for offline use is definitely one of my favorites. Today, I’m glad to show you how you can create a page that will be available for offline browsing.Getting startedView DemoDownload files1 – Add HTML5 doctypeThe first thing to do is create a valid HTML5 document. The HTML5 doctype is easier to remember than ones used for xhtml:<!DOCTYPE html> <html> ... Create a file named index...

   Offline store,Steps,demo,Html5,Cache     2011-09-20 13:15:45

  Application vs Database Programming

A few years ago, I had a problem.  A database routine for processing bulk payments for LedgerSMB that was humming along in my test cases was failing when tested under load with real data prior to implementation.  Some testing showed that while it ran fine with small numbers of inputs, it eventually slowed way down as the number of inputs rose.  Andrew Sullivan, who was also on the project through a different company, suggested it was something called a "cache miss" because I...

   Application Programming,Database programming,Comparison,Difference     2012-03-04 12:08:35

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