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Java's Interface and Haskell's type class: differences and similarities?

... class to other classes, define static methods and constructors that would select an implementation based on what return type is required in calling context, define methods that take arguments of the same type as the class implementing the interface, and various other things that don't really transl...
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Parsing JSON with Unix tools

...s is format the JSON, if I'm not mistaken. It does not allow the caller to select a particular field from the output, as would an xpath solution, or something based on "JSON Pointer". – Cheeso Jun 4 '14 at 0:42 ...
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How to unset max-height?

...ty of the element, overriding any other valid max-height properties in CSS selection rules that match that element. An example: styles.css .set-max-height { max-height: 50px; } main.js document.querySelectorAll('.set-max-height').forEach($el => { if($el.hasAttribute('data-hidden')){ $...
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Is there a NumPy function to return the first index of something in an array?

...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index. In [71]: np.argmax(a==2) Out[71]: 2 In [72]: np.where(a==2) Out[72]: (array([2], dtype=int64),) In [73]: np.nonzero(a==2) Out[73]: (array([2], dtype=int64),) Time comparison Ju...
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How do you sort an array on multiple columns?

...lso sort the second attribute. Unless you loop it as many as the number of selected columns.. Am I right? e.g. [[A, 10], [J, 15], [A, 5], [J, 5]] => [[A, 10], [A, 5], [J, 15], [J, 5]] – Bla... Apr 23 '15 at 2:30 ...
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How do I change the highlight style in Vim spellcheck?

...o :set spell in my Vim, I get spelling errors highlighted as if they are selected text. What I want is an MS-Word like underlining of spelling errors. I tried to lookup :help spell but could not find a clue. Any help is appreciated. ...
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ

... Enter whatever name you want, and click the "Run SBT Action" checkbox and select the SBT Action jetty-run from the [...] Create a debug configuration for remote debugging Go to Run > Edit Configurations Click the [+] icon and choose Remote Enter whatever name you want and copy the line -Xdebu...
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How to install packages offline?

...r you don't need to use sudo pip…. 2) use virtualenv on online machine select a directory with terminal cd and run this code: python -m virtualenv myenv cd myenv source bin/activate pip install Flask after installing all the packages, you have to generate a requirements.txt so while your virt...
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Fork and synchronize Google Code Subversion repository into GitHub

...h. To do this, create a Launchpad project, then go to the new import page, select Subversion and enter the URL (e.g. http://projectname.googlecode.com/svn/trunk/). Depending on the project size, the initial import can take up to a few hours. Subsequent imports will run periodically. For more docume...
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Get type name without full namespace

...Join(", ", type.GetGenericArguments() .Select(t => t.CSharpName()))); sb.Append(">"); return sb.ToString(); } Maybe not the best solution (due to the recursion), but it works. Outputs look like: Dictionary<String, Object> ...