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How to write a Unit Test?
...ne the expected and desired output for a normal case, with correct input.
Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) :
Write a method, and above it add the @Test annotation.
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What does (function($) {})(jQuery); mean?
... I have been simply copying the line into all my plugins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framework :)
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Django class-based view: How do I pass additional parameters to the as_view method?
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This method is now deprecated, now you can use url('<slug:slug>', MyView.as_view(), name='my_named_view')
– Rahat Zaman
Mar 7 '19 at 1:56
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VIM Ctrl-V Conflict with Windows Paste
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For some reason I needed to use the Shift key for visual selection on Windows, while I do not on Linux.
– stevesliva
Jan 11 '16 at 18:48
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What does void mean in C, C++, and C#?
...hing
Generic data pointer: void* data
-- 'data' is a pointer to data of unknown type, and cannot be dereferenced
Note: the void in a function argument is optional in C++, so int myFunc() is exactly the same as int myFunc(void), and it is left out completely in C#. It is always required for a retur...
Collection that allows only unique items in .NET?
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Note that the HashSet<T>.Add(T item) method returns a bool -- true if the item was added to the collection; false if the item was already present.
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Difference between \w and \b regular expression meta characters
Can anyone explain the difference between \b and \w regular expression metacharacters? It is my understanding that both these metacharacters are used for word boundaries. Apart from this, which meta character is efficient for multilingual content?
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MySQL string replace
...updates/', 'articles/news/')
WHERE your_field LIKE '%articles/updates/%'
Now rows that were like
http://www.example.com/articles/updates/43
will be
http://www.example.com/articles/news/43
http://www.electrictoolbox.com/mysql-find-replace-text/
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Python argparse ignore unrecognised arguments
...ou want to ignore any unrecognised arguments and parse the ones you've specified.
3 Answers
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np.mean() vs np.average() in Python NumPy?
... already noted, there's another extremely important difference that I just now discovered the hard way: unlike np.mean, np.average doesn't allow the dtype keyword, which is essential for getting correct results in some cases. I have a very large single-precision array that is accessed from an h5 f...