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remove all variables except functions
...hat is a period?
– RockScience
Nov 30 '11 at 4:18
1
Sure. A period (in American English) is anoth...
Meaning of “[: too many arguments” error from if [] (square brackets)
...:
VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
What is the PostgreSQL equivalent for ISNULL()
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460
SELECT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:
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Rails: redirect_to with :error, but flash[:error] empty
...'m trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
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Convert String to Uri
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answered Aug 15 '10 at 12:48
cchenesonccheneson
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what is the right way to treat Python argparse.Namespace() as a dictionary?
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400
You can access the namespace's dictionary with vars():
>>> import argparse
>>&g...
How to write binary data to stdout in python 3?
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answered May 26 '09 at 0:09
Benjamin PetersonBenjamin Peterson
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Find directory name with wildcard or similar to “like”
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find supports wildcard matches, just add a *:
find / -type d -name "ora10*"
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Converting of Uri to String
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Rico HarisinRico Harisin
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add a comm...
When to use std::size_t?
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answered Dec 23 '09 at 9:09
CB BaileyCB Bailey
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