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Disabled UIButton not faded or grey
... use following code:
sendButton.enabled = YES;
sendButton.alpha = 1.0;
or
sendButton.enabled = NO;
sendButton.alpha = 0.5;
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What is the use of style=“clear:both”?
...ted elements that precede it in the document.
You can also use clear:left or clear:right to make it drop below only those elements that have been floated left or right.
+------------+ +--------------------+
| | | |
| float:left | | without clear |
| | ...
Difference between float and double in php?
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There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types.float.php
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Passing enum or object through an intent (the best solution)
... everybody fails to mention that Enums are actually Serializable and therefore can perfectly be added to an Intent as an extra. Like this:
public enum AwesomeEnum {
SOMETHING, OTHER;
}
intent.putExtra("AwesomeEnum", AwesomeEnum.SOMETHING);
AwesomeEnum result = (AwesomeEnum) intent.getSerializab...
How to sparsely checkout only one single file from a git repository?
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Originally, I mentioned in 2012 git archive (see Jared Forsyth's answer and Robert Knight's answer), since git1.7.9.5 (March 2012), Paul Brannan's answer:
git archive --format=tar --remote=origin HEAD:path/to/directory -- fi...
printf format specifiers for uint32_t and size_t
... wonder what it would do with @KennyTM's answer... It certainly should be more portable.
– Cogwheel
Jul 2 '10 at 18:49
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Set scroll position
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Also worth noting window.scrollBy(dx,dy) (ref)
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Custom method names in ASP.NET Web API
... Delete, however what if I want to add extra methods into these services? For instance, my UsersService should have a method called Authenticate where they pass in a username and password, however it doesn't work.
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Why doesn't Objective-C support private methods?
I've seen a number of strategies for declaring semi-private methods in Objective-C , but there does not seem to be a way to make a truly private method. I accept that. But, why is this so? Every explanation I've essentially says, "you can't do it, but here's a close approximation."
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Best way to initialize (empty) array in PHP
In certain other languages (AS3 for example), it has been noted that initializing a new array is faster if done like this var foo = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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