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Assigning default values to shell variables with a single command in bash
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Very close to what you posted, actually:
FOO=${VARIABLE:-default} # If variable not set or null, use default.
Or, which will assign default to VARIABLE as well:
FOO=${VARIABLE:=default} # If variable not set or null, set it to default.
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Get Substring between two characters using javascript
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Trivial solution but handy especially if you want to avoid regular expressions.
– Nikolay Frick
Jun 24 '15 at 20:59
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Converting a string to JSON object
...Object Mapper ...
new ObjectMapper().readValue(string, Map.class);
Internally Map will behave as JSON Object
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Import package.* vs import package.SpecificType [duplicate]
...ld it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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How to convert int[] into List in Java?
...the ArrayList when it is being constructed will prevent it having to internally resize after a certain amount is added. Not sure if the benefit is small, but there's definitely a benefit.
– Grundlefleck
Jan 24 '10 at 20:22
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How can I style even and odd elements?
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After all IE8 Support is nothing to worry about anymore in this case as the intended behaviour is just 'supportive'. It does not prevent the user from using the site nor from finding information. It doesn't even (most likely not) s...
How can I make a .NET Windows Forms application that only runs in the System Tray?
...of creating an application that only ever exists in the System Tray.
Basically change the Application.Run(new Form1()); line in Program.cs to instead start up a class that inherits from ApplicationContext, and have the constructor for that class initialize a NotifyIcon
static class Program
{
/...
How to know which version of Symfony I have?
...ttpKernel\Kernel for where const VERSION is defined. Example on GitHub
Locally this would be located in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php.
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Where Is Machine.Config?
...un notepad in non admin mode you should not be able to save any changes at all as you don't have write access to the file? (also if you run in admin or not should not change if you save in 32 or 64 bit).
– Peter
Jan 29 '16 at 7:53
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Prevent Default on Form Submit jQuery
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I believe that the above answers is all correct, but that doesn't point out why the submit method doesn't work.
Well, the submit method will not work if jQuery can't get the form element, and jQuery doesn't give any error about that. If your script is placed i...