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Getting the count of unique values in a column in bash
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153
To see a frequency count for column two (for example):
awk -F '\t' '{print $2}' * | sort | un...
How to access pandas groupby dataframe by key
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198
You can use the get_group method:
In [21]: gb.get_group('foo')
Out[21]:
A B C...
Efficiently test if a port is open on Linux?
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14 Answers
14
Active
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How can I access my localhost from my Android device?
...able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
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How to check SQL Server version
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Following are possible ways to see the version:
Method 1: Connect to the instance of SQL Server, and then run the following query:
Select @@version
An example of the output of this query is as follows:
Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009
10:11:5...
SVG fill color transparency / alpha?
...ibute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent.
For example:
<rect ... fill="#044B94" fill-opacity="0.4"/>
Additionally you have the following:
stroke-opacity attribute for the stroke
opacity for the entire o...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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162
Use Position when setting an absolute position and Seek when setting a relative position. Both...
How to get the type of a variable in MATLAB?
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answered Feb 23 '09 at 17:36
Daniel LeCheminantDaniel LeCheminant
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What Are the Differences Between PSR-0 and PSR-4?
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edited Jul 25 '15 at 21:20
Alex_Nabu
21133 silver badges1111 bronze badges
answered Jul 21 '1...