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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
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116
The short answer is that both raise MyException and raise MyException() do the same thing. Th...
Is there a way to cache GitHub credentials for pushing commits?
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With Git version 1.7.9 and later
Since Git 1.7.9 (released in late January 2012), there is a neat mechanism in Git to avoid having to type your password all the time for HTTP / HTTPS, called credential helpers. (Thanks to dazonic for pointin...
How do you rename a table in SQLite 3.0?
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251
ALTER TABLE `foo` RENAME TO `bar`
SQLite Query Language: ALTER TABLE
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What does character set and collation mean exactly?
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517
From MySQL docs:
A character set is a set of symbols
and encodings. A collation is a set...
Preserve Line Breaks From TextArea When Writing To MySQL
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158
Two solutions for this:
PHP function nl2br():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r"...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
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For CTRL+F11 to work the way you want, you must set (from "Windows/Preferences") the
"Run/debug > Launching : Launch Operation" setting to:
Always launch the previously launched application
As Thorbjørn Ravn Andersen menti...
How to create a new file together with missing parent directories?
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151
Have you tried this?
file.getParentFile().mkdirs();
file.createNewFile();
I don't know of a...
Semicolons superfluous at the end of a line in shell scripts?
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152
Single semicolons at the end of a line are superfluous, since the newline is also a command se...
SQL Server: Difference between PARTITION BY and GROUP BY
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