大约有 47,000 项符合查询结果(耗时:0.0504秒) [XML]
@UniqueConstraint and @Column(unique = true) in hibernate annotation
...
148
As said before, @Column(unique = true) is a shortcut to UniqueConstraint when it is only a sin...
Convert DateTime to String PHP
... use the format method of the DateTime class:
$date = new DateTime('2000-01-01');
$result = $date->format('Y-m-d H:i:s');
If format fails for some reason, it will return FALSE. In some applications, it might make sense to handle the failing case:
if ($result) {
echo $result;
} else { // for...
Why #egg=foo when pip-installing from git repo
...
answered Aug 6 '12 at 20:33
Will AydWill Ayd
5,60311 gold badge2828 silver badges3636 bronze badges
...
“Diff” an image using ImageMagick
...
My own favorites are these two:
compare image1 image2 -compose src diff.png
compare image1 image2 -compose src diff.pdf
The only difference between the 2 commands above: the first one shows the visual difference between the two images as a PNG file, the second one as...
List comprehension with if statement
...
188
You got the order wrong. The if should be after the for (unless it is in an if-else ternary op...
Override compile flags for single files
...
127
Your attempts above are adding further flags to your file/target rather than overwriting as yo...
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...
13 Answers
13
Active
...
How to securely store access token and secret in Android?
...
118
Store them as shared preferences. Those are by default private, and other apps cannot access t...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
...
|
edited Jul 22 '19 at 21:33
community wiki
...
Using WebAPI or MVC to return JSON in ASP.NET
...
157
Web API Controllers can be created and hosted in any ASP.NET Application, not just MVC applica...
