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Get item in the list in Scala?
How in the world do you get just an element at index i from the List in scala?
4 Answers
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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Display image as grayscale using matplotlib
I'm trying to display a grayscale image using matplotlib.pyplot.imshow() . My problem is that the grayscale image is displayed as a colormap. I need the grayscale because I want to draw on top of the image with color.
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How can I change property names when serializing with Json.net?
I have some data in a C# DataSet object. I can serialize it right now using a Json.net converter like this
3 Answers
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How to remove gaps between subplots in matplotlib?
The code below produces gaps between the subplots. How do I remove the gaps between the subplots and make the image a tight grid?
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Do C# Timers elapse on a separate thread?
...er:
See Brian Gideon's answer below
For System.Threading.Timer:
MSDN Documentation on Timers states:
The System.Threading.Timer class makes
callbacks on a ThreadPool thread and
does not use the event model at all.
So indeed the timer elapses on a different thread.
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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Difference between socket and websocket?
I'm building web app that needs to communicate with another application using socket connections. This is new territory for me, so want to be sure that sockets are different than websockets . It seems like they're only conceptually similar.
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How to interpret API documentation function parameters?
Is there a standard to interpret the syntax of function interfaces in API documentations and if yes, how is it defined?
4 A...
Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
I just upgraded to Xcode 6 Beta 4 and have a framework that I created for Live Views in Beta 2. Due to another swift bug , I needed to use some Obj-C code. When upgrading though, I get the following error:
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