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How to read a file into a variable in shell?
...
In cross-platform, lowest-common-denominator sh you use:
#!/bin/sh
value=`cat config.txt`
echo "$value"
In bash or zsh, to read a whole file into a variable without invoking cat:
#!/bin/bash
value=$(<config.txt)
echo "$value"
Invoking cat in ...
How do you test that a Python function throws an exception?
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from: http://www.lengrand.fr/2011/12/pythonunittest-assertraises-raises-error/
First, here is the corresponding (still dum :p) function in file dum_function.py :
def square_value(a):
"""
Returns the square value of a.
"""
tr...
How to check if a Constraint exists in Sql server?
...out finding "FK_ChannelPlayerSkins_Channels". Since then many people have commented on finding other "constraints" here are some other queries for that:
--Returns one row for each CHECK, UNIQUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONST...
Explain which gitignore rule is ignoring my file
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Is there a vim command to relocate a tab?
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I have VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Apr 2 2013 09:17:34) Included patches: 1-547 and +- not supported there, documentation said I should specify zero or positive value
– Vladimir
Sep 10 '13 at 13:41
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How to trace the path in a Breadth-First Search?
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How should strace be used?
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In that case @Pacerier check ltrace stackoverflow.com/a/52012215/5884955
– prosti
Aug 24 '18 at 22:09
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Logging levels - Logback - rule-of-thumb to assign log levels
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RSA Public Key format
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What is the C runtime library?
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A good description of the different choices for runtime libraries:
http://www.davidlenihan.com/2008/01/choosing_the_correct_cc_runtim.html
It includes those functions you don't normally think of as needing a library to call:
malloc
enum, struct
abs, min
assert
Microsoft has a nice list of thei...