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python max function using 'key' and lambda expression
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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how to prevent “directory already exists error” in a makefile when using mkdir
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On UNIX Just use this:
mkdir -p $(OBJDIR)
The -p option to mkdir prevents the error message if the directory exists.
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Grep characters before and after match?
...efore and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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Convert XML to JSON (and back) using Javascript
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https://github.com/abdmob/x2js - my own library (updated URL from http://code.google.com/p/x2js/):
This library provides XML to JSON (JavaScript Objects) and vice versa javascript conversion functions. The library is very sm...
How do you attach and detach from Docker's process?
I can attach to a docker process but Ctrl + c doesn't work to detach from it. exit basically halts the process.
15 Ans...
Can you “ignore” a file in Perforce?
...s first added in release, 2012.1, described on the Perforce blog here:
https://www.perforce.com/blog/new-20121-p4ignore
As it's currently described, you set an environment variable "P4IGNORE" to a filename which contains a list of the files to ignore.
So you can check it out to see how you li...
Running Command Line in Java [duplicate]
Is there a way to run this command line within a Java application?
8 Answers
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Newline in JLabel
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Entity Framework and SQL Server View
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We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the...