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html select option separator
...ption approach seems to look the best and be the best supported. I've also included an example of using the optgroup.
optgroup (this way kinda sucks):
<select>
<optgroup>
<option>First</option>
</optgroup>
<optgroup label="_________">...
SQL Server Index Naming Conventions [closed]
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How do you differentiate between index columns and included columns?
– John Sansom
May 7 '10 at 7:37
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“The page you are requesting cannot be served because of the extension configuration.” error message
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How do I get the parent directory in Python?
...h.dirname gives different results depending on whether a trailing slash is included in the path. If you want reliable results you need to use the os.path.join method in answer above.
– Artfunkel
Jun 28 '13 at 10:32
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How to stop C++ console application from exiting immediately?
..."press any key" message, you'll have to print one yourself).
You need to #include <cstdio> for getchar.
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How do I parse command line arguments in Bash?
...hell (and others) offer getopts which doesn't have these limitations. I've included a simplistic getopts example.
Usage demo-getopts.sh -vf /etc/hosts foo bar
cat >/tmp/demo-getopts.sh <<'EOF'
#!/bin/sh
# A POSIX variable
OPTIND=1 # Reset in case getopts has been used previously ...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
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Global access to Rake DSL methods is deprecated
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Adding include Rake::DSL to the Rakefile before the applications load_tasks were called also worked for me.
So in the above user's case before the DemoApp::Application.load_tasks in the Rakefile.
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How to check if an object is an array?
...ity/security reasons, every frame has its own global environment, and this includes global objects. The Object global from one frame is different from the Object global from another. So too for Array globals. Axel Rauschmayer talks more about this.
– jschoi
Sep...
How to generate a Dockerfile from an image?
... imagelayers.io seems to be broken. It can't find any image including its demo ones
– Robert Lugg
Dec 10 '19 at 22:28
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