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How to calculate an angle from three points? [closed]

... Only a handful of languages use a caret for 'power of', so if you don't want to call it arcos, please just type cos⁻¹. (If you're using a commercial operating system that makes it difficult to type exponents, I expect there would ...
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Matplotlib discrete colorbar

...d) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an alternative you can make your own cmap from scratch, or read-o...
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Tracking CPU and Memory usage per process

... more CPU cycles than I want it to. The problem is - it happens in bursts, and just looking at the task manager doesn't help me as it shows immediate usage only. ...
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Is GridFS fast and reliable enough for production?

I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage. ...
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

Have we (as a community) had enough experience to determine when and/or whether auto is being abused? 6 Answers ...
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Better way of incrementing build number?

... If I understand your question correctly, you want to modify the Project-Info.plist file, which is a part of the standard project template of Xcode? The reason I ask this is that Project-Info.plist normally is under version control, and...
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maximum value of int

... in C99 you can also use UINT64_MAX and INT64_MAX – Dmitry Vyal Oct 2 '13 at 9:08 3 ...
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What is the difference between dict.items() and dict.iteritems() in Python2?

Are there any applicable differences between dict.items() and dict.iteritems() ? 10 Answers ...
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How to get the IP address of the docker host from inside a docker container

... title says. I need to be able to retrieve the IP address the docker hosts and the portmaps from the host to the container, and doing that inside of the container. ...
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Why exactly is eval evil?

I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...