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How can I check if a string represents an int, without using try/except?
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TriptychTriptych
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What should I do if the current ASP.NET session is null?
In my web application, I do something like this to read the session variables:
5 Answers
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How to set time zone of a java.util.Date?
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JJD
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answered May 23 '10 at 10:49
ZZ CoderZZ Coder
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Efficiency of premature return in a function
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DaniDani
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What is PECS (Producer Extends Consumer Super)?
...came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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how to provide a swap function for my class?
...f swap. Write it this way when you write "library" code and want to enable ADL (argument-dependent lookup) on swap. Also, this has nothing to do with SFINAE.
// some algorithm in your code
template<class T>
void foo(T& lhs, T& rhs) {
using std::swap; // enable 'std::swap' to be fo...
The JPA hashCode() / equals() dilemma
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Read this very nice article on the subject: Don't Let Hibernate Steal Your Identity.
The conclusion of the article goes like this:
Object identity is deceptively hard to implement correctly when
objects are persisted to ...
Recursion in Angular directives
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Inspired by the solutions described in the thread mentioned by @dnc253, I abstracted the recursion functionality into a service.
module.factory('RecursionHelper', ['$compile', function($compile){
return {
/**
* Manually compiles the element, fixing t...
how to use javascript Object.defineProperty
...irt",price:10,discount:0}
Then in your client code (the e-shop), you can add discounts to your products:
function badProduct(obj) { obj.discount+= 20; ... }
function generalDiscount(obj) { obj.discount+= 10; ... }
function distributorDiscount(obj) { obj.discount+= 15; ... }
Later, the e-shop ow...
What exactly is OAuth (Open Authorization)?
...on) access to their information (e.g. the list of your friends).
If you read it stated as plainly, I would understand your confusion. So let's go with a concrete example: joining yet another social network!
Say you have an existing GMail account. You decide to join LinkedIn. Adding all of your man...