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How to check null objects in jQuery
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You can use the length property of the jQuery collection returned by your selector:
if ( $('#myDiv').length ){}
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How to parse/read a YAML file into a Python object? [duplicate]
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Here is one way to test which YAML implementation the user has selected on the virtualenv (or the system) and then define load_yaml_file appropriately:
load_yaml_file = None
if not load_yaml_file:
try:
import yaml
load_yaml_file = lambda fn: yaml.load(open(fn))
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Add new value to an existing array in JavaScript [duplicate]
...with indexes is not working for me. I am using it inside a map function $('select[id^="filter_"]').map(function () { var name = $(this).prop('name'); filters[name] = $(this).val();
– Happy Coder
Dec 5 '13 at 11:12
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How do I remove all .pyc files from a project?
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If you're using bash >=4.0 (or zsh)
rm **/*.pyc
Note that */*.pyc selects all .pyc files in the immediate first-level subdirectories while **/*.pyc recursively scans the whole directory tree. As an example, foo/bar/qux.pyc will be deleted by rm **/*.pyc but not by */*.pyc.
The globstar she...
Auto code completion on Eclipse
...t auto completion as you type, but also it support import package once you select the auto completion.
Before someone said "Eclipse is free", note that IntelliJ has free community edition as well: www.jetbrains.com/idea/download/
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“rm -rf” equivalent for Windows?
... files, rmdir /s /q is typically significantly faster than the equivalent "select dir, shift + delete" operation in explorer.
– Wedge
Sep 19 '08 at 0:29
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What is a Python egg?
...of a project simultaneously installed, such that
individual programs can select the versions they wish to use.
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ResourceDictionary in a separate assembly
...n styles.xaml available via the Visual Studio 2010 Properties window? If I select an element, and then click Apply Resource for it's Background property, it only shows SystemColors and not those defined in styles.xaml. But if I type the resource name in XAML myself it works, so it is correctly refer...
Force re-download of release dependency using Maven
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It's also possible to selectively delete the dependencies that you know need to be refreshed from inside the repository. A manual purge, if you will.
– jpaugh
Jul 27 '16 at 14:56
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How to make a phone call programmatically?
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In the selected answer, there is not check for marshmallow permission.
It will not work directly in marshmallow 6.0 or above device.
I know I am too late but this question has large vote so I thought it will help to others in futu...