大约有 40,000 项符合查询结果(耗时:0.0690秒) [XML]
MySQL - How to select data by string length
...
502
You are looking for CHAR_LENGTH() to get the number of characters in a string.
For multi-byte...
How can I suppress column header output for a single SQL statement?
... pete |
| 2 | john |
| 3 | mike |
+------+-------+
3 rows in set (0.00 sec)
Credit to ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated with a TAB character.
mysql -s ...
use tes...
Haskell error parse error on input `='
...
160
In GHCi 7.x or below, you need a let to define things in it.
Prelude> let f x = x * 2
Prelud...
What does a b prefix before a python string mean?
...
|
edited Apr 7 '10 at 14:05
answered Apr 7 '10 at 13:34
...
How to disable code formatting for some part of the code using comments?
...ences > Editor > Code Style > Formatter Control
IntelliJ IDEA v.2016+:
Preferences > Editor > Code Style
IntelliJ IDEA v.2018+:
File > Settings > Editor > Code Style
You can change the formatter control markers, as long as they're in comments.
Ensure formatter markers i...
Generate a random number in the range 1 - 10
...way to tell pg's random() function to get me only numbers between 1 and 10?
7 Answers
...
How to increase the Java stack size?
...works for me and with far less than 999MB of stack:
> java -Xss4m Test
0
(Windows JDK 7, build 17.0-b05 client VM, and Linux JDK 6 - same version information as you posted)
share
|
improve thi...
Need to reset git branch to origin version
...t original to upstream state" for other options.
With Git 2.23 (August 2019), that would be one command: git switch.
Namely: git switch -C mybranch origin/mybranch
Example
C:\Users\vonc\git\git>git switch -C master origin/master
Reset branch 'master'
Branch 'master' set up to track remote br...
How do I find out with jQuery if an element is being animated?
...
200
if( $(elem).is(':animated') ) {...}
More info: https://api.jquery.com/animated-selector/
O...
Is there a standard naming convention for git tags? [closed]
...
170
Version 1.0.0 of Semantic Versioning, by Tom Preston-Werner of GitHub fame, had a sub-specificat...
