大约有 40,000 项符合查询结果（耗时：0.0446秒） [XML]
Does PostgreSQL support “accent insensitive” collations?
...rlier.
And that was already twice as fast as the first version which added SET search_path = public, pg_temp to the function - until I discovered that the dictionary can be schema-qualified, too. Still (Postgres 12) not too obvious from documentation.
If you lack the necessary privileges to create ...
How can I list all foreign keys referencing a given table in SQL Server?
I need to remove a highly referenced table in a SQL Server database. How can I get a list of all the foreign key constraints I will need to remove in order to drop the table?
...
UITextfield leftView/rightView padding on iOS7
...ult NSObject
Add a new method named - (id)initWithCoder:(NSCoder*)coder to set the image
- (id)initWithCoder:(NSCoder*)coder {
self = [super initWithCoder:coder];
if (self) {
self.clipsToBounds = YES;
[self setRightViewMode:UITextFieldViewModeUnlessEditing];
self....
OS X Terminal Colors [closed]
...[01;34m\]\w\[\033[00m\]\$ '
Here is a great repository with some nice presets:
iTerm2 Color Schemes on Github by mbadolato
Bonus: Choose "Show/hide iTerm2 with a system-wide hotkey" and bind the key with BetterTouchTool
for an instant hide/show the terminal with a mouse gesture.
...
Scala: List[Future] to Future[List] disregarding failed futures
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to clear variables in ipython?
...
%reset seems to clear defined variables.
share
|
improve this answer
|
follow
|
...
Iterate a list as pair (current, next) in Python
...
Here's a relevant example from the itertools module docs:
import itertools
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = itertools.tee(iterable)
next(b, None)
return zip(a, b)
For Python 2, you need ite...
jQuery on window resize
...s here
doResize = false;
}
};
var resizerInterval = setInterval(resizer, resizeDelay);
resizer();
$(window).resize(function() {
doResize = true;
});
});
share
|
...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...算统计特征（正态分布）函数及实例main函数：#include "stdafx.h"#include "stdev.h"#include <map>int _tmain(int argc, _TCHAR* argv[]){std::map<int, int> map_...main函数：
#include "stdafx.h"
#include "stdev.h"
#include <map>
int _tmain(int argc, _TCHAR* argv[])
{
std::ma...
How to have an automatic timestamp in SQLite?
... DEFAULT CURRENT_TIMESTAMP
);
However, if your INSERT command explicitly sets this field to NULL, it will be set to NULL.
share
|
improve this answer
|
follow
...