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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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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...
Why use Gradle instead of Ant or Maven? [closed]
...ect - see comments], but I'd say that the reasons one would consider using it would be because of the frustrations of Ant and Maven.
In my experience Ant is often write-only (yes I know it is possible to write beautifully modular, elegant builds, but the fact is most people don't). For any non-triv...
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...
The static keyword and its various uses in C++
... in C++ that I find very confusing and I can never bend my mind around how its actually supposed to work.
9 Answers
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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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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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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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Twitter image encoding challenge [closed]
If a picture's worth 1000 words, how much of a picture can you fit in 140 characters?
15 Answers
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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...