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Bash foreach loop

I have an input (let's say a file). On each line there is a file name. How can I read this file and display the content for each one. ...
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How to calculate time in hours between two dates in iOS

How can I calculate the time elapsed in hours between two times (possibly occurring on different days) in iOS? 5 Answers ...
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Python - json without whitespaces

I just realized that json.dumps() adds spaces in the JSON object 2 Answers 2 ...
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Specifying colClasses in the read.csv

I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric. ...
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Ruby max integer

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Python: One Try Multiple Except

In Python, is it possible to have multiple except statements for one try statement? Such as : 1 Answer ...
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Remove 'a' from legend when using aesthetics and geom_text

How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though. ...
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Fastest way to check if string contains only digits

I know a few ways how to check this. regex, int.parse , tryparse ,looping. 18 Answers ...
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Rails mapping array of hashes onto single hash

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jQuery UI Sortable Position

How do I track what position an element is when its position in a sortable list changes? 4 Answers ...