大约有 39,000 项符合查询结果（耗时：0.0503秒） [XML]
Multiline syntax for piping a heredoc; is this portable?
...
105
Yes, the POSIX standard allows this. According to the 2008 version:
The here-document shall...
SQL Server - When to use Clustered vs non-Clustered Index?
...eason)
it should be non-nullable and ideally also fixed width - a varchar(250) makes a very poor clustering key
Anything else should really be second and third level of importance behind these points ....
See some of Kimberly Tripp's (The Queen of Indexing) blog posts on the topic - anything she ...
A list of indices in MongoDB?
...
145
From the shell:
db.test.getIndexes()
For shell help you should try:
help;
db.help();
db.test...
Javascript split regex question
...character (dots are wildcard characters in regular expressions). With "02-25-2010", it would split each time "-2" is encountered, because the dash matches and the dot matches "2".
share
|
improve th...
swap fragment in an activity via animation
...:interpolator="@android:anim/decelerate_interpolator"
android:duration="500"/>
</set>
Note that this is the animation if you are using the compatibility library. Instead if you are using and SDK with native support for the FragmentManager then your animation will look like this:
<?...
iOS app icon with transparent background showing black background on device
... no background. The problem is that when I run an app on my device (iPhone 5) the icon has a black background behind the edges as if it wasn't transparent. Any solutions?
...
Replace first occurrence of string in Python
...
answered Jan 7 '11 at 17:55
virhilovirhilo
4,88411 gold badge2424 silver badges2626 bronze badges
...
“git pull” or “git merge” between master and development branches
...
5 Answers
5
Active
...
How can I rollback a github repository to a specific commit?
... |
edited Nov 13 '15 at 2:00
SeldomNeedy
7121010 silver badges1919 bronze badges
answered Dec 7 '...