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Are the shift operators () arithmetic or logical in C?

In C, are the shift operators ( << , >> ) arithmetic or logical? 11 Answers ...
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How to create a new branch from a tag?

I'd like to create a new master branch from an existing tag. Say I have a tag v1.0 . How to create a new branch from this tag? ...
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Running a cron job at 2:30 AM everyday

How to configure a cron job to run every night at 2:30? I know how to make it run at 2, but not 2:30. 6 Answers ...
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Convert JS date time to MySQL datetime

Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime? ...
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Format / Suppress Scientific Notation from Python Pandas Aggregation Results

How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers? ...
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Merge Images Side by Side(Horizontally)

I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively. ...
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Rails detect if request was AJAX

In my action I wish to only respond with processing if it was called from an AJAX request. How do I check? 5 Answers ...
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Pandas dataframe get first row of each group

I have a pandas DataFrame like following. 5 Answers 5 ...
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How to install Java SDK on CentOS?

I have CentOS 5, but I don't know the steps to install Java SDK on Linux. 12 Answers ...
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In where shall I use isset() and !empty()

I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form. ...