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What does the “Just” syntax mean in Haskell?
...meter, which means that when used as a constructor it acts like a function from type a to Maybe a, i.e. it has the type a -> Maybe a
So, the constructors of a type build a value of that type; the other side of things is when you would like to use that value, and that is where pattern matching co...
Image library for Python 3
..., you may pip3 install Image (I was using pillow without knowing), and you from PIL import Image. It also supports all the major platforms now. When looking for a PIL for python3, this is definitely the choice.
– Yosh
Oct 13 '14 at 15:25
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Getting a list of associative array keys
...re just using keys.push(key);. You're just pulling (and thus declaring it) from the global namespace. :)
– b00t
Mar 11 '16 at 11:58
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Is it better to specify source files with GLOB or each file individually in CMake?
...file
(We do not recommend using GLOB to collect a list of source files from your source tree. If no CMakeLists.txt file changes when a source is added or removed then the generated build system cannot know when to ask CMake to regenerate.)
Of course, you might want to know what the downsides a...
Difference between SurfaceView and View?
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From your answer I get the feeling it is better to use a class derived from View than SurfaceView. Or am I getting something wrong? This would be opposed to the majority of 2D game development tutorials.
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Browserify - How to call function bundled in a file generated through browserify in browser
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By default, browserify doesn't let you access the modules from outside of the browserified code – if you want to call code in a browserified module, you're supposed to browserify your code together with the module. See http://browserify.org/ for examples of that.
Of course, you c...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...ters, the following is valid C++11, and transfers the ownership of the int from the temporary std::unique_ptr to the parameter of f1 when the new thread is started. However, if you use boost::thread then it won't work, as it uses boost::bind internally, and std::unique_ptr cannot be copied. There is...
How do you create a remote Git branch?
...gt; is typically origin, the name which git gives to the remote you cloned from. Your colleagues would then just pull that branch, and it's automatically created locally.
Note however that formally, the format is:
git push <remote-name> <local-branch-name>:<remote-branch-name>
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How do search engines deal with AngularJS applications?
... AJAX in content as the PushState updates the URL.
Crawlers harvest links from a page then add them to a queue for later processing. This means that for a crawler, every hit on the server is a direct hit, they don't navigate via Pushstate.
Precomposition bundles the initial payload into the first ...
Adding new column to existing DataFrame in Python pandas
...sn't necessarily say you did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead
>>> df1.loc[:,'f'] = pd.S...