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Converting a UNIX Timestamp to Formatted Date String

Using PHP, I want to convert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z 9 Answers ...
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Defining a variable with or without export

...oop variables, temporary variables etc. It's important to note that exporting a variable doesn't make it available to parent processes. That is, specifying and exporting a variable in a spawned process doesn't make it available in the process that launched it. ...
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Using Git, how could I search for a string across all branches?

Using Git, how could I search within all files in all local branches for a given string? 5 Answers ...
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What's the difference between nohup and ampersand

...hup myprocess.out & or myprocess.out & set myprocess.out to run in the background. After I shutdown the terminal, the process is still running. What's the difference between them? ...
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How to align an image dead center with bootstrap

I'm using the bootstrap framework and trying to get an image centered horizontally without success.. 15 Answers ...
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Difference between Hashing a Password and Encrypting it

... Hashing is a one way function (well, a mapping). It's irreversible, you apply the secure hash algorithm and you cannot get the original string back. The most you can do is to generate what's called "a collision", that is, finding...
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How to select the row with the maximum value in each group

In a dataset with multiple observations for each subject I want to take a subset with only the maximum data value for each record. For example, with a following dataset: ...
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Should I call Close() or Dispose() for stream objects?

...h as Stream , StreamReader , StreamWriter etc implements IDisposable interface. That means, we can call Dispose() method on objects of these classes. They've also defined a public method called Close() . Now that confuses me, as to what should I call once I'm done with objects? What if I ...
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How to get RelativeLayout working with merge and include?

I have been trying for a few days now to make my layouts more efficient by converting from using several levels of nested LinearLayouts to one RelativeLayout and have come across a few problems that I haven not been able to find a workaround for... ...
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Changing the status bar text color in splash screen iOS 7

...how to change the status bar for all view controllers. I am currently changing the color of status bar this way: 6 Answers ...