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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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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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Difference between var_dump,var_export & print_r
What is the difference between var_dump , var_export and print_r ?
2 Answers
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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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Best way to test if a generic type is a string? (C#)
I have a generic class that should allow any type, primitive or otherwise. The only problem with this is using default(T) . When you call default on a value type or a string, it initializes it to a reasonable value (such as empty string). When you call default(T) on an object, it returns null. Fo...
How can I get nth element from a list?
How can I access a list by index in Haskell, analog to this C code?
6 Answers
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How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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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
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How to use jQuery in chrome extension?
I am writing a chrome extension. And I want to use jQuery in my extension. I am not using any background page , just a background script .
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
Note : Things have moved on since this question was asked; see here for a good recent overview.
11 Answers
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