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SQL UPDATE all values in a field with appended string CONCAT not working
... linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
+------+--------+
| id | data |
+------+--------+
| 1 ...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other then 0. The exact number depends on the program.
For many programs you can find the numbers and their meaning in the corresponding man pa...
Creating an instance of class
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Luchian GrigoreLuchian Grigore
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Difference between author and committer in Git?
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edited Sep 13 '13 at 0:53
answered Sep 12 '13 at 3:34
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Why does Environment.Exit() not terminate the program any more?
... of the problem. The copy in C:\WINDOWS\system32 has version number 6.2.9200.16660, created on August 14th, 2013 on my machine.
Case closed.
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用户界面（UI）组件 · App Inventor 2 中文网
...图标显示，需是方形尺寸 png 或 jpeg 图像，最大分辨率 1024 x 1024 像素。
较大的图像可能会导致编译或安装应用程序失败。
构建服务器将为 Android 设备生成标准尺寸的图像。
平台
获取运行应用程序的底层平台的名称...
Differences between detach(), hide() and remove() - jQuery
... Jacob RelkinJacob Relkin
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Why are iframes considered dangerous and a security risk?
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answered Sep 2 '11 at 21:01
Diodeus - James MacFarlaneDiodeus - James MacFarlane
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Database cluster and load balancing
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edited Jul 22 '09 at 5:57
answered Jul 22 '09 at 5:44
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