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When to use the brace-enclosed initializer?
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@user1304032: A locale is not a string, therefore you wouldn't use copy initialization. A locale also does not contain a string (it might store that string as implementation detail, but that's not its purpose), therefore you wouldn't use brace initializatio...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
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There are actually constants for these 'special' strings not representing a property (e.g. kCAOnOrderOut for @"onOrderOut") well-documented here: developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/…
– Patrick Pijnappel
A...
How do I set the value property in AngularJS' ng-options?
...t allows you to use any type of object as value in option rather than only strings. You should never try to get the value of the select the other way around you just need to use ngModel you attached to select element.
– Umur Kontacı
Jan 31 '13 at 6:48
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What's the $unwind operator in MongoDB?
...nds array produce an output document. Now, in this example, our values are strings. But, regardless of the type of value for the elements in an array, unwind will produce an output document for each one of these values, such that the field in question will have just that element. In the case of fund...
jQuery, get html of a whole element [duplicate]
... Return outerHTML for the first element in a jQuery object,
* or an empty string if the jQuery object is empty;
*/
jQuery.fn.outerHTML = function() {
return (this[0]) ? this[0].outerHTML : '';
};
share
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How to display the default iOS 6 share action sheet with available share options?
... applicable sharing services. Examples:
Objective-C
- (void)shareText:(NSString *)text andImage:(UIImage *)image andUrl:(URL *)url
{
NSMutableArray *sharingItems = [NSMutableArray new];
if (text) {
[sharingItems addObject:text];
}
if (image) {
[sharingItems addObje...
DTO and DAO concepts and MVC [closed]
...how the DAO and DTO interfaces would look like:
interface PersonDTO {
String getName();
void setName(String name);
//.....
}
interface PersonDAO {
PersonDTO findById(long id);
void save(PersonDTO person);
//.....
}
The MVC is a wider pattern. The DTO/DAO would be your mod...
GROUP BY to combine/concat a column [duplicate]
...ou are using STUFF() to remove the first comma of the concatenated PageUrl string. The PageUrl string itself is created by using FOR XML PATH(), with an empty path, to concatenate the retrieved PageUrls. Pretty clever :) Some sources: STUFF(): msdn.microsoft.com/en-us/library/ms188043.aspx FOR XML: ...
How to sort an ArrayList in Java [duplicate]
...ering is a fundamental part of the nature of the objects (like integers or strings), whereas by using a Comparator, you're saying that in this specific context, you want them ordered in a certain way.
– Tom Anderson
Aug 26 '13 at 10:32
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What's the difference between eval, exec, and compile?
... call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1
a = 47
^
SyntaxError: invalid syntax
The compile in 'exec' mode compiles any number of statements into a bytecode that implicitly always returns None, whereas in 'eval' mode it compiles a sin...