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Break out of a While…Wend loop
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177
A While/Wend loop can only be exited prematurely with a GOTO or by exiting from an outer block ...
How to get Top 5 records in SqLite?
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edited Apr 17 '12 at 17:59
Tim Cooper
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how do you filter pandas dataframes by multiple columns
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176
Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]=...
How to change a command line argument in Bash?
... for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:2}" notation is expanded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "$1" "$2" in this case, but it is much more useful when you want to...
How to run Ruby code from terminal?
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178
If Ruby is installed, then
ruby yourfile.rb
where yourfile.rb is the file containing the rub...
Enumerable.Empty() equivalent for IQueryable
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7
Unfortunately that doesn't create an actual empty IQueryable, which means it causes e.g. Union queries to be broken up into multiple queries...
Can bash show a function's definition?
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370
Use type. If foobar is e.g. defined in your ~/.profile:
$ type foobar
foobar is a function
foo...
How do you grep a file and get the next 5 lines
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Chris SeymourChris Seymour
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Example invalid utf8 string?
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Take a look at Markus Kuhn's UTF-8 decoder capability and stress test file
You'll find example...
How do .gitignore exclusion rules actually work?
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/a/b/c/*
!foo
Seems to work for me (git 1.7.0.4 on Linux). The * is important as otherwise you're ignoring the directory itself (so git won't look inside) instead of the files within the directory (which allows for the exclusion).
Think of the exclusions as saying "...