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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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Is it necessary to write HEAD, BODY and HTML tags?
...es <html>, <head>, <body>, <p> and <li>.
https://google.github.io/styleguide/htmlcssguide.html#Optional_Tags
For file size optimization and scannability purposes, consider
omitting optional tags. The HTML5 specification defines what tags can
be omitted.
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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...
How do I create a directory from within Emacs?
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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...
How can I split up a Git commit buried in history?
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Running Command Line in Java [duplicate]
Is there a way to run this command line within a Java application?
8 Answers
8
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Fragment transaction animation: slide in and slide out
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UPDATE For Android v19+ see this link via @Sandra
You can create your own animations. Place animation XML files in res > anim
enter_from_left.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http:/...