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What is the difference between onBlur and onChange attribute in HTML?
... answered Feb 19 '14 at 10:43
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string to string array conversion in java
...rName};
System.out.println(strArray[0]); //prints "name"
The second line allocates a String array with the length of 1. Note that you don't need to specify a length yourself, such as:
String[] strArray = new String[1];
instead, the length is determined by the number of elements in the initalize...
Comparing two strings, ignoring case in C# [duplicate]
...oLowerCase version is not going to be faster - it involves an extra string allocation
(which must later be collected), etc.
Personally, I'd use
string.Equals(val, "astringvalue", StringComparison.OrdinalIgnoreCase)
this avoids all the issues of culture-sensitive strings, but as a consequence it...
What is the purpose of Order By 1 in SQL select statement?
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Also see:
http://www.techonthenet.com/sql/order_by.php
For a description of order by. I learned something! :)
I've also used this in the past when I wanted to add an indeterminate number of filters to a sql statement. Sloppy I know, but it worked. :P
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How do you use the ? : (conditional) operator in JavaScript?
... = 'Hello ' + (username || 'guest');
This is Javascripts equivallent of PHP's shorthand ternary operator ?:
Or even:
var welcomeMessage = 'Hello ' + (username || something || maybethis || 'guest');
It evaluates the variable, and if it's false or unset, it goes on to the next.
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What is the difference between a .xib file and a .storyboard?
...s between elements defining their position and sizing.
3)Usually fast and allocates less memory.
4)It's not compatible prior to iOS 5 .
5)"Dynamic" and "Prototype" cells can be used easily.
6)Storyboards best to use for the apps with a small to medium amount of screens.
The best Answer I have s...
How do I call one constructor from another in Java?
...hat you mean by "creating" - the object is "created" in that its memory is allocated and the type is set before any constructor bodies are executed. Constructors are initialization rather than creation. In particular, the type of the object is its "final" type right from the start - so if you call a...
quick random row selection in Postgres
...heck this link out for some different options.
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
Update: (A.Hatchkins)
The summary of the (very) long article is as follows.
The author lists four approaches:
1) ORDER BY random() LIMIT 1; -- slow
2) ORDER BY id where...
Handling Touch Event in UILabel and hooking it up to an IBAction
...= YES;
UITapGestureRecognizer *tapGesture =
[[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(labelTap)];
[label addGestureRecognizer:tapGesture];
The trick is to enable user interaction.
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get current url in twig template?
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@GateKiller This made my Functional Test Fail: Uncaught PHP Exception PHPUnit_Framework_Error_Notice: "Undefined index: REQUEST_URI"
– Robin
Aug 15 '14 at 10:18
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