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How do I test for an empty string in a Bash case statement?
...t matches.
So the empty string is written, as usual, as "" or '':
case "$command" in
"") do_empty ;;
something) do_something ;;
prefix*) do_prefix ;;
*) do_other ;;
esac
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In Python, how to display current time in readable format
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40
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Convert a list of objects to an array of one of the object's properties
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19
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Difference between Activity and FragmentActivity
... Package.
The FragmentActivity class adds a couple new methods to ensure compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two. Just make sure you change all calls to getLoaderManager() and getFragmentManager() to getSupportLoade...
How do you tell Resharper that a method parameter is a string containing a CSS class?
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Ansible: Set variable to file content
...aveat: This lookup will work with local files, not remote files.
Here's a complete example from the docs:
- hosts: all
vars:
contents: "{{ lookup('file', '/etc/foo.txt') }}"
tasks:
- debug: msg="the value of foo.txt is {{ contents }}"
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const vs constexpr on variables
... PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be initialized at compile time. PI1 may be initialized at compile time or run time. Furthermore, only PI2 can be used in a context that requires a compile-time constant. For example:
const...
How to create a directory using nerdtree
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iOS - How to set a UISwitch programmatically
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