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What does the 'static' keyword do in a class?
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static members belong to the class instead of a specific instance.
It means that only one instance of a static field exists[1] even if you create a million instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specif...
What are the reasons why Map.get(Object key) is not (fully) generic
...in an Object as parameter, not just the same type as the object.
Although it may be commonly true that many classes have equals() defined so that its objects can only be equal to objects of its own class, there are many places in Java where this is not the case. For example, the specification for L...
What does it mean by select 1 from table?
I have seen many queries with something as follows.
15 Answers
15
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How do I get a PHP class constructor to call its parent's parent's constructor?
I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor.
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The case against checked exceptions
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I think I read the same Bruce Eckel interview that you did - and it's always bugged me. In fact, the argument was made by the interviewee (if this is indeed the post you're talking about) Anders Hejlsberg, the MS genius behind .NET and C#.
http://www.artima.com/intv/handcuffs.html
Fa...
In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
...follow
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edited Dec 27 '14 at 13:44
Peter Mortensen
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...lines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isolate scope – but that is ...
Why not to deploy on a Friday? [closed]
Joel mentioned in StackOverflow podcast #24 that it's FogCreek company policy to not ship software on Fridays. However, he didn't elaborate as to why.
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What is the purpose of the var keyword and when should I use it (or omit it)?
... will create a local variable, "no var" will look up the scope chain until it finds the variable or hits the global scope (at which point it will create it):
// These are both globals
var foo = 1;
bar = 2;
function()
{
var foo = 1; // Local
bar = 2; // Global
// Execute an anonymo...
How to use underscore.js as a template engine?
...e.js and express framework. Then I saw about underscore.js as a set of utility functions. I saw this question on stackoverflow
. It says we can use underscore.js as a template engine. anybody know good tutorials about how to use underscore.js for templating, especially for biginners who have less ...