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Completion block for popViewController
...is the option to provide a completion block. Is there a similar equivalent for popViewController ?
18 Answers
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Android: Coloring part of a string using TextView.setText()?
...f the text (or making it bold, italic, transparent, etc.)and not the rest. For example:
13 Answers
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EOFError: end of file reached issue with Net::HTTP
....8.7-p302/Rails 2.3.11. I am trying to use FQL (Facebook API) to get stats for a link. Here's my code:
7 Answers
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Setting up a JavaScript variable from Spring model by using Thymeleaf
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@szxnyc if you forget the /*<![CDATA[*/ macro you will get that.
– CodeMonkey
Dec 1 '16 at 22:49
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Mongoose populate after save
...r field on a newly saved object ... the only way I can find is to re-query for the objects I already have which I would hate to do.
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What is the purpose of the reader monad?
...In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
3 An...
Remove ':hover' CSS behavior from element
I have CSS that changes formatting when you hover over an element.
6 Answers
6
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Better way to check variable for null or empty string?
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// Function for basic field validation (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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How to use null in switch
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This is not possible with a switch statement in Java. Check for null before the switch:
if (i == null) {
doSomething0();
} else {
switch (i) {
case 1:
// ...
break;
}
}
You can't use arbitrary objects in switch statements*. The reason that the compil...
Access Container View Controller from Parent iOS
...housing the container view) implement a method like this:
- (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
NSString * segueName = segue.identifier;
if ([segueName isEqualToString: @"alertview_embed"]) {
AlertViewController * childViewController = (AlertViewContro...