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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
I have a Menu where each MenuItem in the hierarchy has its Command property set to a RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem .
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Perform debounce in React.js
How do you perform debounce in React.js?
34 Answers
34
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VIM Replace word with contents of paste buffer?
I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g . I know that this is the typical way one replaces the word at the current cursor position: cw<text><esc> but is there a way to do this with the contents of the u...
Twitter Bootstrap - add top space between rows
How to add margin top to class="row" elements using twitter bootstrap framework?
19 Answers
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How to iterate over the keys and values with ng-repeat in AngularJS?
In my controller, I have data like:
$scope.object = data
9 Answers
9
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What can , and be used for?
Can anyone clarify how we can use in general, or a in real world example, this snippet?
2 Answers
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How to check which locks are held on a table
How can we check which database locks are applied on which rows against a query batch?
6 Answers
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Strip HTML from strings in Python
When printing a line in an HTML file, I'm trying to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would o...
What is “export default” in javascript?
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It's part of the ES6 module system, described here. There is a helpful example in that documentation, also:
If a module defines a default export:
export default function() { console.log("hello!") }
then you can import t...
How to toggle a value in Python
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Solution using NOT
If the values are boolean, the fastest approach is to use the not operator:
>>> x = True
>>> x = not x # toggle
>>> x
False
>>> x = not x # toggle
>>> x
True
>>> x = not x # toggle
>>...