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Comet and jQuery [closed]
...p of jQuery? If not, are there any good implementations of this pattern at all? And regardless of the answer to those questions, is there any documentation on this pattern from an implementation stand-point?
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Array vs. Object efficiency in JavaScript
...an array, too:
var a3 = [];
a3[29938] = "a";
a3[32994] = "b";
It's basically an array with holes in it, because every array does have continous indexing. It's slower than arrays without holes. But iterating manually through the array is even slower (mostly).
This is an object:
var a3 = {};
a3[2...
When to use virtual destructors?
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Virtual destructors are useful when you might potentially delete an instance of a derived class through a pointer to base class:
class Base
{
// some virtual methods
};
class Derived : public Base
{
~Derived()
{
// Do some important cleanup
}
};
Her...
Tracing XML request/responses with JAX-WS
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Following options enable logging of all communication to the console (technically, you only need one of these, but that depends on the libraries you use, so setting all four is safer option). You can set it in the code like in example, or as command line parame...
How do I replace a character at a particular index in JavaScript?
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Note that it's generally not a good idea to extend base JavaScript classes. Use a plain utility function instead.
– Ates Goral
Sep 16 '09 at 5:40
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What is the difference between String.slice and String.substring?
... Feb 11 '10 at 10:36
Daniel VassalloDaniel Vassallo
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How to install lxml on Ubuntu
I'm having difficulty installing lxml with easy_install on Ubuntu 11.
11 Answers
11
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What is the difference between gsub and sub methods for Ruby Strings
...ticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
JavaScript module pattern with example [closed]
... Your first example (function() { /* Your code goes here */}()); is actually a IIFE (Immediately Invoking Function Expression), ok it's anonymous coz it has no name so you may even want to call it an IIAFE (Immediately Invoking Anonymous Function Expression) see more on IIFE on stackoverflow.com/...