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Why doesn't Java Map extend Collection?
...the element appears in the bag).
This structure would allow intersection, union etc. of a range of "collections". Hence, the hierarchy should be:
Set
|
Relation
|
...
Why does UITableViewCell remain highlighted?
...
In your didSelectRowAtIndexPath you need to call deselectRowAtIndexPath to deselect the cell.
So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well.
- (void)tableView:(UITableVi...
How to animate the change of image in an UIImageView?
...ill first cross dissolve a new image and then add a bouncy animation:
var selected: Bool {
willSet(selected) {
let expandTransform:CGAffineTransform = CGAffineTransformMakeScale(1.15, 1.15);
if (!self.selected && selected) {
UIView.transitionWithView(self.imageView,
...
Call PowerShell script PS1 from another PS1 script inside Powershell ISE
...bind argument to parameter 'Path' because it is an empty string. At line:4 char:25 + $ScriptPath = Split-Path <<<< $MyInvocation.InvocationName + CategoryInfo : InvalidData: (:) [Split-Path], ParameterBindingValidationException + FullyQualifiedErrorId : ParameterArgumen...
In STL maps, is it better to use map::insert than []?
...<std::endl;
}
};
int Sample::_noOfObjects = 0;
int main(int argc, char* argv[])
{
Sample sample;
std::map<int,Sample> map;
map.insert( std::make_pair<int,Sample>( 1, sample) );
//map[1] = sample;
return 0;
}
...
Why can't C++ be parsed with a LR(1) parser?
... passed as an option to the compiler.
int a,b,c[9],*d,(*f)(), (*g)()[9], h(char); could be forbidden too, replaced by int a,b,c[9],*d;
int (*f)();
int (*g)()[9];
int h(char);
one line per function prototype or function pointer declaration.
An highly preferred alternative would be to change ...
How much size “Null” value takes in SQL Server
...
The following link claims that if the column is variable length, i.e. varchar then NULL takes 0 bytes (plus 1 byte is used to flag whether value is NULL or not):
How does SQL Server really store NULL-s
The above link, as well as the below link, claim that for fixed length columns, i.e. char(10...
Java `final` method: what does it promise?
...lass.
Reliability and Contract -- Objects are composed of primitives (int, char, double, etc.) and/or other Objects. Not all operations applicable to those components should be applicable or even logical when they are used in the bigger Object. Methods with the final modifier can be used to ensure t...
如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
如何查看Oracle用户的SQL执行历史记录？select * from v$sqlarea t order by t LAST_ACTIVE_TIME desc注意 ：执行此语句等等一些相关的语句 必须具有DBA 的权限 虽然
select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc
注意 ：执行此语句等等一些相...
Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
...String.IsNullOrEmpty(value) || value.Trim().Length == 0;
White-space characters are defined by the Unicode standard. The
IsNullOrWhiteSpace method interprets any character that returns a
value of true when it is passed to the Char.IsWhiteSpace method as a
white-space character.
...