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How to execute a MySQL command from a shell script?
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mysql -h <host> -u<user> -p<password> database -e \
"SELECT * FROM blah WHERE foo='bar';"
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Is the SQL WHERE clause short-circuit evaluated?
...y use this for optional parameters. Is this the same as short circuiting?
SELECT [blah]
FROM Emp
WHERE ((@EmpID = -1) OR (@EmpID = EmpID))
This gives me the option to pass in -1 or whatever to account for optional checking of an attribute. Sometimes this involves joining on multiple tables, ...
How to clean project cache in Intellij idea like Eclipse's clean?
... into Settings (File > Settings or ctrl+alt+S). Under Project Settings, select the "Compiler" node. On the left, uncheck "Clear output directory on rebuild".
Note that this is a per project setting. If desired, change it in the project template settigs (Settings > Other Settings > Templat...
Android Studio inline compiler showing red errors, but compilation with gradle works fine
...for me.
Choose File option from menu on left top side of android studio.
Select the option: Invalidate Cache/Restart It will open an dialog.
Click on the first button with option: Invalidate and Restart
It will close Android Studio and restart it. Also, it will start re-indexing the project.
It ...
MySQL - UPDATE multiple rows with different values in one query
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UPDATE Table1 SET col1= col2 FROM (SELECT col2, col3 FROM Table2) as newTbl WHERE col4= col3
Here col4 & col1 are in Table1. col2 & col3 are in Table2 I Am trying to update each col1 where col4 = col3 different value for each row
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How do I find the .NET version?
...ersion,Release -EA 0 |
where { $_.PSChildName -match '^(?!S)\p{L}'} | select PSChildName, Version, Release
The last command (8) will give you all versions, including .NET 4.5.
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Hash String via SHA-256 in Java
...hich adds quite a few new MessageDigests compared to the relatively paltry selection available in the JDK.
– mjuarez
Jul 27 '14 at 9:51
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How to fix: “HAX is not working and emulator runs in emulation mode”
...result from the menu Tools ➞ SDK Manager, and then on the SDK Tools tab, select the checkbox for Intel x86 Emulator Accelerator (HAXM installer), and click Ok.
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Save Screen (program) output to a file
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The selected answer doesn't work quite well with multiple sessions and doesn't allow to specify a custom log file name.
For multiple screen sessions, this is my formula:
Create a configuration file for each process:
logfile t...
How do I wrap text in a pre tag?
...de wont get word-wrapped in the middle of a path or something.
Easier to select text range in a text area too if you want to copy to clipboard.
The following is a php excerpt so if your not in php then the way you pack the html special chars will vary.
<textarea style="font-family:monospace;"...