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How to identify unused css definitions
...xtension Dust-Me at https://addons.mozilla.org/en-US/firefox/addon/dust-me-selectors/.
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How to programmatically take a screenshot on Android?
How can I take a screenshot of a selected area of phone-screen not by any program but from code?
24 Answers
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IntelliJ Organize Imports
...ditor -> Auto Import -> Java (left panel) and make the below things:
Select check box for "Add unambigious imports on the fly" and "Optimize imports on the fly"
Refer this.
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How to create a numpy array of all True or all False?
... dtype=int initialized array cannot be used for array element selection.
– Jichao
May 14 '16 at 2:07
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Using Git with an existing Xcode project
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After this restart the Xcode and choose Source Control Navigator and then select the master and right click then choose option "Create Remote"
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not:first-child selector
... the versions you posted actually works for all modern browsers (where CSS selectors level 3 are supported):
div ul:not(:first-child) {
background-color: #900;
}
If you need to support legacy browsers, or if you are hindered by the :not selector's limitation (it only accepts a simple selector...
Func delegate with no return type
... "function values" in a new List<>. (Later, one would often use Linq Select for that.)
– Jeppe Stig Nielsen
Apr 29 '15 at 14:27
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M_PI works with math.h but not with cmath in Visual Studio
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As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions.
That's what worked for me.
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How do I add a class to a given element?
...').addClass('wait');
Removing the class
Performance
Using jQuery selectively is the best method for removing a class if your concerned with performance
var a = document.body, c = ' classname';
$(a).removeClass(c);
Without jQuery it's 32% slower
var a = document.body, c = ' classnam...
UnicodeEncodeError: 'latin-1' codec can't encode character
...t. They map exactly to the Unicode characters U+0080–U+009F, which are a selection of control characters. They're control characters that aren't used very much which is why browsers got away with it, but it's annoying when you are trying to convert a sequences of bytes-as-Unicode.
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