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Getting the count of unique values in a column in bash
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The GNU site suggests this nice awk script, which prints both the words and their frequency.
Possible changes:
You can pipe through sort -nr (and reverse word and freq[word]) to see the result in descending order.
If you want a specific column, you can omit...
Fatal error: Maximum execution time of 30 seconds exceeded
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Is this set only for that one script or will it affect all other scripts executed after this one on the same server?
– Nagendra Rao
Nov 22 '13 at 11:47
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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...putting it directly in your shebang—but I'd recommend against it because scripts and programs all have lives beyond what we initially believe they will have.
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Is explicitly closing files important?
...ts for generalising such practice:
run can potentially run out of file descriptors, although unlikely, imagine hunting a bug like that
you may not be able to delete said file on some systems, e.g. win32
if you run anything other than CPython, you don't know when file is closed for you
if you open ...
Why is debugging better in an IDE? [closed]
...eoretical changes before making them.
Examine memory contents in real-time
Alert you when certain exceptions are thrown, even if they are handled by the application.
Conditional breakpointing; stopping the application only in exceptional circumstances to allow you to analyse the stack and variables....
What does the Visual Studio “Any CPU” target mean?
...alets prefix in your comment similar to how I have here so that he gets an alert about your answer.
– AnthonyWJones
May 25 '10 at 15:02
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Determine path of the executing script
I have a script called foo.R that includes another script other.R , which is in the same directory:
27 Answers
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Python argparse mutual exclusive group
...o simple any more. So I would agree that this is more hack for handcrafted script, but not a real solution
– The Godfather
May 15 '19 at 11:36
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PHP: How to send HTTP response code?
I have a PHP script that needs to make responses with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code.
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How do I run a Python program in the Command Prompt in Windows 7?
... the Python documentation, and testing on my own, to finally get my Python scripts working smoothly on my Windows machines (WinXP and Win7). So, I just blogged about it and am pasting that below in case it's useful to others. Sorry it's long, and feel free to improve it; I'm no expert.
[UPDATE: Pyt...