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How can I get dictionary key as variable directly in Python (not by searching from value)?
...and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries... what I am trying to do is this:
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Named routes _path vs _url
...st use the path part of the URL with the *_path helper. On the other hand, if the URL is to be consumed outside of your site, e.g. an email or an RSS feed, the whole URL is needed, so use the *_url helper.
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How can I change the color of pagination dots of UIPageControl?
...ed UIView that uses Core Graphics to render the dots in the colors you specify.
You use the exposed properties to customize and control it.
If you want to you can register a delegate object to get notifications when the user taps on one of the little page dots. If no delegate is registered then th...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
...em to get this to work. It works fine on my school computers and I don't know what I am not doing. I have checked usr/include and time.h is there just fine. Here is the code:
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Label Alignment in iOS 6 - UITextAlignment deprecated
...ctor. That it might break in the future is just bad design from Apple, and if they break it I would rather have compilation errors than risking that the alignment gets wrong without me noticing.
– Robin Andersson
Nov 14 '12 at 12:45
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What is the difference between join and merge in Pandas?
...n on. That makes sense to me sort of. I can accept that the semantics are different. But I'd like to know if I can get that same behavior with df.join
– munk
Mar 27 '14 at 0:59
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LINQ Select Distinct with Anonymous Types
...es on the type to compute an
object's hash code and test for
equality. If two objects of the same
anonymous type have all the same
values for their properties – the
objects are equal.
So it's totally safe to use the Distinct() method on a query that returns anonymous types.
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How to step through Python code to help debug issues?
...tack frame
p: to print the value of an expression in the current context
If you don't want to use a command line debugger, some IDEs like Pydev, Wing IDE or PyCharm have a GUI debugger. Wing and PyCharm are commercial products, but Wing has a free "Personal" edition, and PyCharm has a free communi...
See :hover state in Chrome Developer Tools
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Now you can see both the pseudo-class rules and force them on elements.
To see the rules like :hover in the Styles pane click the small :hov text in the top right.
To force an element into :hover state, right click it an...
Application_Error not firing when customerrors = “On”
..., simple remove the line which registers the HandleErrorAttribute filter.
Now the problem is: How to configure the customErrors to get what you want...
The customErrors section defaults to redirectMode="ResponseRedirect". You can specify the defaultRedirect attribute to be a MVC route too. I creat...