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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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Are nested HTML comments possible?
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If you change "--" to "- -" then it is no longer a comment. It's not a solution but a way around, you can also use "<%-- your comment--%> for a way around.
– Anant Singh
Sep 19 '1...
SVN checkout the contents of a folder, not the folder itself
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svn co svn://path destination
To specify current directory, use a "." for your destination directory:
svn checkout file:///home/landonwinters/svn/waterproject/trunk .
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How to find the foreach index?
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definitely, this question isn't very specific, i took it to mean the OP was largely unaware of the $key=>$value syntax
– Owen
Sep 27 '08 at 0:23
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How to check which version of v8 is installed with my NodeJS?
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Best answer to know. Also, NPM's CLI is a whackadoo-- if you add an argument onto this, it will increment the version in your package.json file, make and tag a git commit. Utterly bizarre UX, but this is useful.
– mitchell_st
Mar 2 '17 at 1...
Turn off constraints temporarily (MS SQL)
...ary keys and unique constraints can not be disabled, but this should be OK if I've understood you correctly.
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iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...d Cedar to overcome some shortcomings in the way OCUnit works for us. Specifically, we wanted to be able to use the debugger in tests, to run tests from the command line and in CI builds, and get useful text output of test results. These things may be more or less useful to you.
Long answer
Deci...
Make UINavigationBar transparent
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If anybody is wondering how to achieve this in iOS 7+, here's a solution (iOS 6 compatible too)
In Objective-C
[self.navigationBar setBackgroundImage:[UIImage new]
forBarMetrics:UIBarMetricsDefault];
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Realistic usage of the C99 'restrict' keyword?
...dest[i] = src1[i]*src2[i];
}
}
The compiler needs to properly handle if dest, src1, and src2 overlap, meaning it must do one multiplication at a time, from start to the end. By having restrict, the compiler is free to optimize this code by using the vector instructions.
Wikipedia has an entr...
Drop multiple tables in one shot in mysql
...nd C. Then we can use the following syntax to drop all tables.
DROP TABLE IF EXISTS B,C,A;
This can be placed in the beginning of the script instead of individually dropping each table.
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