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Run cron job only if it isn't already running

... 121 I do this for a print spooler program that I wrote, it's just a shell script: #!/bin/sh if ps ...
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How to change the remote a branch is tracking?

...tch: git branch branch_name -u your_new_remote/branch_name Using git v1.7.12 or earlier: git branch --set-upstream branch_name your_new_remote/branch_name share | improve this answer | ...
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Redis: Show database size/size for keys

... 112 So my solution to my own problem: After playing around with redis-cli a bit longer I found out t...
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What are the basic rules and idioms for operator overloading?

...er, it is very unlikely that you would find a reasonable use case for these2. 1 As with all rules of thumb, sometimes there might be reasons to break this one, too. If so, do not forget that the left-hand operand of the binary comparison operators, which for member functions will be *this, needs to...
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Linux command to list all available commands and aliases

... 20 Answers 20 Active ...
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How do I enable the column selection mode in Eclipse?

... edited May 18 '18 at 13:12 Leos313 3,16244 gold badges2323 silver badges5454 bronze badges answered Jun...
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Can't start site in IIS (use by another process)

...command to find the task from your command prompt: tasklist /FI "PID eq 123" Note: change 123 with the PID returned from the first command. share | improve this answer | ...
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Creating a simple XML file using python

...mentTree API, which has been included in the standard library since Python 2.5. The available options for that are: ElementTree (Basic, pure-Python implementation of ElementTree. Part of the standard library since 2.5) cElementTree (Optimized C implementation of ElementTree. Also offered in the ...
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Insert/Update Many to Many Entity Framework . How do I do it?

...ext.Students.FirstOrDefault(s => s.Name == "Alice"); Student student2 = context.Students.FirstOrDefault(s => s.Name == "Bob"); mathClass.Students.Add(student1); mathClass.Students.Add(student2); context.AddToClasses(mathClass); context.SaveChanges(); } Since both student...
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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?

... type HttpException which is obviously not the case with the Convert.ToInt32("a") code. So make sure that you log and handle all exceptions in there: protected void Application_Error() { Exception unhandledException = Server.GetLastError(); HttpException httpException = unhandledException a...