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Hide options in a select list using jQuery
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128
For what it's worth, the second form (with the @) doesn't exist in jQuery 1.3. The first isn'...
How do you test to see if a double is equal to NaN?
... static Double.isNaN(double) method, or your Double's .isNaN() method.
// 1. static method
if (Double.isNaN(doubleValue)) {
...
}
// 2. object's method
if (doubleObject.isNaN()) {
...
}
Simply doing:
if (var == Double.NaN) {
...
}
is not sufficient due to how the IEEE standard for ...
How to use MySQLdb with Python and Django in OSX 10.6?
This is a much discussed issue for OSX 10.6 users, but I haven't been able to find a solution that works. Here's my setup:
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Case preserving substitute in Vim
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121
Use abolish.vim:
:%S/badjob/goodjob/g
...
How to create a cron job using Bash automatically without the interactive editor?
...ontab
crontab -l > mycron
#echo new cron into cron file
echo "00 09 * * 1-5 echo hello" >> mycron
#install new cron file
crontab mycron
rm mycron
Cron line explaination
* * * * * "command to be executed"
- - - - -
| | | | |
| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
| | | ------...
Using 'return' in a Ruby block
I'm trying to use Ruby 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, t...
Can git operate in “silent mode”?
...
cat $stderr >&2
rm -f $stdout $stderr
exit 1
fi
rm -f $stdout $stderr
}
This will suppress stdout and stderr, unless the git command fails. It's not pretty; in fact the stdout file is ignored and it should just redirect that to /dev/null. Works, though. And...
Why can a function modify some arguments as perceived by the caller, but not others?
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11 Answers
11
Active
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...ninc/DbConnector
Cloning into 'DbConnector'...
remote: Counting objects: 11, done.
remote: Compressing objects: 100% (10/10), done.
remote: Total 11 (delta 0), reused 11 (delta 0)
Unpacking objects: 100% (11/11), done.
Checking connectivity... done.
默认情况下，子模块会将子...