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Select random lines from a file
In a Bash script, I want to pick out N random lines from input file and output to another file.
4 Answers
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Linq order by boolean
I've got a linq query that I want to order by f.bar, which is a string, but I also want to order it by f.foo, which is a boolean field, first. Like the query below.
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Why do indexes in XPath start with 1 and not 0?
Some colleagues and I were comparing past languages we had programmed in and were talking about our experience with VBScript with its odd features such as 1-based index instead of 0-based indexes like almost every other language has, the reasoning being that it was a language for users (e.g....
In C, how should I read a text file and print all strings
I have a text file named test.txt
7 Answers
7
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How can I check whether a numpy array is empty or not?
How can I check whether a numpy array is empty or not?
4 Answers
4
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Make footer stick to bottom of page correctly [duplicate]
I am trying to have my footer (just a div with a line of text in it) be at the bottom of the screen if the content doesn't go all the way to the bottom, or be at the bottom of the content if the content requires scroll bars. If the content doesn't require scroll bars, it works perfectly, but when t...
Exit Shell Script Based on Process Exit Code
I have a shell script that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
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Can I pass an array as arguments to a method with variable arguments in Java?
I'd like to be able to create a function like:
5 Answers
5
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My docker container has no internet
I had it working allright but now it stopped. I tried the following commands with no avail:
22 Answers
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How does grep run so fast?
I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
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