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What is the purpose of the single underscore “_” variable in Python?
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812
_ has 5 main conventional uses in Python:
To hold the result of the last executed expression(/s...
How do you diff a directory for only files of a specific type?
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diff -x '*.foo' -x '*.bar' -x '*.baz' /destination/dir/1 /destination/dir/2
From the Comparing Directories section of info diff (on my system, I have to do info -f /usr/share/info/diff.info.gz):
To ignore some files while comparing directories, use the '-x
PATTERN' or '--exclude=PATTERN' op...
How to convert a string with comma-delimited items to a list in Python?
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212
Like this:
>>> text = 'a,b,c'
>>> text = text.split(',')
>>> text
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What is the best way to create constants in Objective-C
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2 Answers
2
Active
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How do I get the name of captured groups in a C# Regex?
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128
Use GetGroupNames to get the list of groups in an expression and then iterate over those, using...
Rails DB Migration - How To Drop a Table?
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22 Answers
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Setting default value for TypeScript object passed as argument
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227
Actually, there appears to now be a simple way. The following code works in TypeScript 1.5:
f...
How to specify a port number in SQL Server connection string?
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260
Use a comma to specify a port number with SQL Server:
mycomputer.test.xxx.com,1234
It's not ...
Multi-gradient shapes
...id:color/white"
android:textStyle="bold"
android:textSize="26sp"
/>
</RelativeLayout>
Okay, so basically I've created a shape gradient in XML for the horizontal green gradient, set at a 0 degree angle, going from the top area's left green color, to the right g...
What's the best online payment processing solution? [closed]
...chant account until you have been trading for a particular period of time (2 years in the UK). Your only option is then a bureau service.
Cash flow
Most bureau services will hold onto your cash as security against "charge backs".
If you sell me a Ferrari and I am horrified to learn that you've sold ...