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Is there a way to check which CSS styles are being used or not used on a web page?
...it on that page. It will tell you which styles are being used and not used by that page.
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WPF TemplateBinding vs RelativeSource TemplatedParent
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TemplateBinding is not quite the same thing. MSDN docs are often written by people that have to quiz monosyllabic SDEs about software features, so the nuances are not quite right.
TemplateBindings are evaluated at compile time against the type specified in the control template. This allows for m...
Mongoose's find method with $or condition does not work properly
...an $or expression, all the clauses in the $or expression must be supported by indexes."
So add indexes for your other fields and it will work. I had a similar problem and this solved it.
You can read more here: https://docs.mongodb.com/manual/reference/operator/query/or/
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URL matrix parameters vs. query parameters
...cts_name=green&page=1
This way you would also lose the clarity added by the locality of the parameters within the request. In addition, when using a framework like JAX-RS, all the query parameters would show up within each resource handler, leading to potential conflicts and confusion.
If yo...
Best way to get child nodes
...ds to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
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How to remove “disabled” attribute using jQuery?
...rties (such as autoplay, checked, disabled and required amongst others).
By using removeAttr(), you are completely removing the disabled attribute itself - while prop() is merely setting the property's underlying boolean value to false.
While what you want to do can be done using attr()/removeAt...
Return two and more values from a method
...ng, not text formatting. Indent lines four spaces and the weirdness caused by irb's >> prompt will go away.
– Chris Lutz
Dec 25 '09 at 15:31
4
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How to make good reproducible pandas examples
...for the rows where A is 1.
do show the code you've tried:
In [4]: df.groupby('A').sum()
Out[4]:
B
A
1 5
4 6
But say what's incorrect: the A column is in the index rather than a column.
do show you've done some research (search the docs, search StackOverflow), give a summary:
The docs...
linux: kill background task
...o be executed after the kill, if any of those commands relies on work done by the background process, be mindful of any cleanup or finishing-up tasks which the background process might perform in a signal handler after receiving a (trappable) signal. Best to add a wait (followed perhaps by a sync or...
How do I verify jQuery AJAX events with Jasmine?
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When I specify ajax code with Jasmine, I solve the problem by spying on whatever depended-on function initiates the remote call (like, say, $.get or $ajax). Then I retrieve the callbacks set on it and test them discretely.
Here's an example I gisted recently:
https://gist.github.co...