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Create timestamp variable in bash script

I am trying to create a timestamp variable in a shell script to make the logging a little easier. I want to create the variable at the beginning of the script and have it print out the current time whenever I issue echo $timestamp . It proving to be more difficult then I thought. Here are some thin...
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How do I view all commits for a specific day?

I've already looked at the relevant docs from git-scm.com and gitref.org , but I can't seem to figure this out. 5 Answe...
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How do I find the next commit in git? (child/children of ref)

ref^ refers to the commit before ref , what about getting the commit after ref ? 14 Answers ...
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How to detect total available/free disk space on the iPhone/iPad device?

I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically. Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me: ...
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How to use enum values in f:selectItem(s)

... dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have? ...
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Recursion in Angular directives

There are a couple of popular recursive angular directive Q&A's out there, which all come down to one of the following solutions: ...
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Simple example of threading in C++

Can someone post a simple example of starting two (Object Oriented) threads in C++. 7 Answers ...
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mysqldump - Export structure only without autoincrement

I have a MySQL database and I am trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)? ...
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Check substring exists in a string in C

I'm trying to check whether a string contains a substring in C like: 12 Answers 12 ...
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Find a Git branch containing changes to a given file

I have 57 local branches. I know I made a change to a certain file in one of them, but I'm not sure which one. Is there some kind of command I can run to find which branches contain changes to a certain file? ...