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What is a regular expression which will match a valid domain name without a subdomain?
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20 Answers
20
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In Clojure, when should I use a vector over a list, and the other way around?
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112
Once again, it seems I've answered my own question by getting impatient and asking it in #clojur...
Update value of a nested dictionary of varying depth
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24 Answers
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Pandas conditional creation of a series/dataframe column
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print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blue when (df['Set'] ...
What is the difference between bottom-up and top-down?
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251
rev4: A very eloquent comment by user Sammaron has noted that, perhaps, this answer previou...
How to use Bash to create a folder if it doesn't already exist?
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280
First, in bash "[" is just a command, which expects string "]" as a last argument, so the whit...
Looping through a hash, or using an array in PowerShell
...g the keys property. Here is an example how:
$hash = @{
a = 1
b = 2
c = 3
}
$hash.Keys | % { "key = $_ , value = " + $hash.Item($_) }
Output:
key = c , value = 3
key = a , value = 1
key = b , value = 2
share...
Accessing dict keys like an attribute?
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27 Answers
27
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Is there an easy way to check the .NET Framework version?
...ed to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
21 Answers
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How do I remove a folder from source control with TortoiseSVN?
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edited Sep 29 '14 at 9:32
answered Aug 5 '10 at 13:35
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