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Reference: What is variable scope, which variables are accessible from where and what are “undefined
... scope.
Example:
<?php
$foo = 'bar';
function myFunc() {
$baz = 42;
}
$foo is in the global scope, $baz is in a local scope inside myFunc. Only code inside myFunc has access to $baz. Only code outside myFunc has access to $foo. Neither has access to the other:
<?php
$foo = 'bar';
...
How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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Keyboard shortcut to comment lines in Sublime Text 2
In Sublime Text 2 , how do I enclose a selection in a comment ?
Is there a keyboard shortcut for this action?
15 Answer...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
I created a function in javascript like that:
6 Answers
6
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
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4
Won't this still raise the individual collection changed events as you are iterating over the collection and adding/removing items?
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Why use getters and setters/accessors?
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edited Oct 24 '13 at 6:25
Dennis Meng
4,91699 gold badges3030 silver badges3636 bronze badges
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How to extract filename.tar.gz file
I want to extract an archive named filename.tar.gz .
8 Answers
8
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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
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edited Sep 22 '09 at 2:43
answered Sep 22 '09 at 2:37
co...
Can Flask have optional URL parameters?
Is it possible to directly declare a flask URL optional parameter?
11 Answers
11
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How to clean project cache in Intellij idea like Eclipse's clean?
Sometimes the IDE makes some error because of the cache. In Eclipse, we can use clean to solve the problem. But how can I do this in IntelliJ?
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