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Is there a software-engineering methodology for functional programming? [closed]
...e types generally think that "once you get the types right; the code practically writes itself."
Not all functional languages use explicit types, but the How To Design Programs book, an excellent book for learning Scheme/Lisp/Clojure, relies heavily on "data descriptions", which are closely related...
Microsoft Azure: How to create sub directory in a blob container
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To add on to what Egon said, simply create your blob called "folder/1.txt", and it will work. No need to create a directory.
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
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Sorry it's called freetype2 these days. Updated.
– James Mills
Dec 12 '13 at 2:05
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Converting camel case to underscore case in ruby
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@S.Yadav true the method is a Rails so you can't call underscore by default, but by providing the code used and citing rails as the source this answer is a good one for ruby, It says you can include rails, or just include this function that the rails team wrote and have tes...
Disable Rails SQL logging in console
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you can put this code in .irbrc, which is basically .bashrc for the Rails console. in fact you can do just about anything in .irbrc if you want, e.g., syntax coloring, history, edit code in vi and then execute it in the Rails console, etc. check my gem utility_belt if yo...
ImportError: No module named PIL
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c:\Python35>python -m pip install Pillow
Then in python code you may call
from PIL import Image
"Pillow is a fork of PIL, the Python Imaging Library, which is no longer maintained. However, to maintain backwards compatibility, the old module name is used." From pillow installed, but "no mod...
Merge and interleave two arrays in Ruby
...working with. consider: [].zip[1, 2] => nil (going to have a hard time calling #flatten on that) [3,4].zip([1, 3, 5, 7]) => [[3, 1], [4, 3]] (oops, guess we don't care about the last few elements in the 2nd array)
– hoff2
Jan 22 '14 at 22:13
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Check if Key Exists in NameValueCollection
...specified key is found and its associated value is null.
collection[key] calls base.Get() then base.FindEntry() which internally uses Hashtable with performance O(1).
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Setting variable to NULL after free
...ways find another way to manifest itself.
Finally, if your code is specifically designed to rely on the pointer value being NULL or not NULL, it is perfectly fine to set the pointer value to NULL after free. But as a general "good practice" rule (as in "always set your pointer to NULL after free") ...
.NET - Get protocol, host, and port
...be listening on a different/non-standard port and if you use that url in a callback (with the private port) the host will be unreachable.
– doveryai
Jun 5 at 19:56
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