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Why does Python code run faster in a function?
.... When a function is compiled, the local variables are stored in a fixed-size array (not a dict) and variable names are assigned to indexes. This is possible because you can't dynamically add local variables to a function. Then retrieving a local variable is literally a pointer lookup into the list ...
Mixing Angular and ASP.NET MVC/Web api?
...don't have all these state(less) issues anymore.
For example imagine a wizard form with any traditional server side framework. Each page needs to be validated and submitted separately. Maybe the content of the page is dependent on values from a previous page. Maybe the user pressed the back button...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...o
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Python pandas: fill a dataframe row by row
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In [7]: df = pandas.DataFrame(columns=['a','b','c','d'], index=['x','y','z'])
In [8]: df.loc['y'] = pandas.Series({'a':1, 'b':5, 'c':2, 'd':3})
In [9]: df
Out[9]:
a b c d
x NaN NaN NaN NaN
y 1 5 2 3
z NaN NaN NaN NaN
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When to make a type non-movable in C++11?
...ts value. For example, the OS might keep a list of pointers to all initialized mutex objects. If std::mutex contained a native OS mutex type as a data member and the native type's address must stay fixed (because the OS maintains a list of pointers to its mutexes) then either std::mutex would have t...
Django dynamic model fields
...retteSimon Charette
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Center a 'div' in the middle of the screen, even when the page is scrolled up or down?
...edenP
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iTerm2 keyboard shortcut - split pane navigation
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lucasoldaini
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answered Feb 12 '12 at 3:47
Michael BerkowskiMichael Berkowski
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How do Mockito matchers work?
...rgument instead for later inspection.
Matchers return dummy values such as zero, empty collections, or null. Mockito tries to return a safe, appropriate dummy value, like 0 for anyInt() or any(Integer.class) or an empty List<String> for anyListOf(String.class). Because of type erasure, though,...
Difference between Mock / Stub / Spy in Spock test framework
...rnal resources like network connections, files or databases or maybe use dozens of other objects. The advantage of mocks is that you can isolate the class under test from the rest of the system.
A stub is also a dummy class providing some more specific, prepared or pre-recorded, replayed results to...