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Test a weekly cron job [closed]

...it showing "Not a directory: -v" error, there is no man page for this command in my system , -v means verbose right? I am using centos 6.4 – max Dec 29 '13 at 11:01 3 ...
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How to store a list in a column of a database table

...ould create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I want to create will be composed of unique items (unlike the linked question's fruit example). Furthermore, the items in my list are exp...
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Print PHP Call Stack

... If you want to generate a backtrace, you are looking for debug_backtrace and/or debug_print_backtrace. The first one will, for instance, get you an array like this one (quoting the manual) : array(2) { [0]=> array(4) { ["file"] => string(10) "/tmp/a.php" ["line"] => int(10) ...
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What is the best way to test for an empty string with jquery-out-of-the-box?

...bed can be replaced by: if (!a) Because in javascript, an empty string, and null, both evaluate to false in a boolean context. share | improve this answer | follow ...
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Where do “pure virtual function call” crashes come from?

...e general case can't catch it since the flow from the ctor can go anywhere and anywhere can call the pure virtual function. This is Halting problem 101. – shoosh Sep 19 '08 at 4:20 ...
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How do you find out the type of an object (in Swift)?

When trying to understand a program, or in some corner-cases, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still...
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Converting bytes to megabytes

... it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity. share | improv...
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How do I get an apk file from an Android device?

How do I get the apk file from an android device? Or how do I transfer the apk file from device to system? 24 Answers ...
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How do you remove an invalid remote branch reference from Git?

...rm Remove the remote named <name>. All remote tracking branches and configuration settings for the remote are removed. So it might be you hand-edited your config file and this did not occur, or you have privilege problems. Maybe run that again and see what happens. Advi...
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Check if a method exists

...d instead of others (deprecated ones), since self has not been created yet and respondsToSelector will always return NO. – LightMan Sep 6 '13 at 18:34 ...