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Subtract 7 days from current date

...ate: 2012-04-22 12:53:45 +0000 seven days ago: 2012-04-15 12:53:45 +0000 And I'm fully agree with JeremyP. BR. Eugene share | improve this answer | follow |...
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Git: copy all files in a directory from another branch

... -c $COMMIT_SHA1 --reset-author; where $COMMIT_SHA1 could be like branch_a and would be the commit object which has the commit message you want. I don't know offhand how to programmatically determine the commit with most recent change to dirname – Alexander Bird ...
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Regex for string contains?

...d, it's \bTest\b, with appropriate flags for case insensitivity if desired and delimiters for your programming language. \b represents a "word boundary", that is, a point between characters where a word can be considered to start or end. For example, since spaces are used to separate words, there wi...
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Specify format for input arguments argparse python

I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script: ...
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Finding what branch a Git commit came from

...e commit was made, the best you can do in this case is examine the reflogs and find when the commit was first introduced to your repository; with any luck, you fetched the branch it was committed to. This is a bit more complex, because you can't walk both the commit tree and reflogs simultaneously. ...
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SQL to find the number of distinct values in a column

... can you expand this example to distinct on multiple columns? – eugene Mar 5 '15 at 6:41 ...
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'Operation is not valid due to the current state of the object' error during postback

... I didn't apply paging on my gridview and it extends to more than 600 records (with checkbox, buttons, etc.) and the value of 2001 didn't work. You may increase the value, say 10000 and test. <appSettings> <add key="aspnet:MaxHttpCollectionKeys" value="...
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In Git, how do I figure out what my current revision is?

...version number"? It is quite common to tag a commit with a version number and then use $ git describe --tags to identify the current HEAD w.r.t. any tags. If you mean you want to know the hash of the current HEAD, you probably want: $ git rev-parse HEAD or for the short revision hash: $ git...
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How do I count unique values inside a list

So I'm trying to make this program that will ask the user for input and store the values in an array / list. Then when a blank line is entered it will tell the user how many of those values are unique. I'm building this for real life reasons and not as a problem set. ...
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Useful example of a shutdown hook in Java?

...ying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice. ...