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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...e.g., calling the pop method when the stack is empty should throw an InvalidOperationException). Everything it touches should be done in memory; this means that the test code and the code under test shouldn't:
Call out into (non-trivial) collaborators
Access the network
Hit a database
Use the f...
Why is extending native objects a bad practice?
... leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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How do I get a list of column names from a psycopg2 cursor?
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If you just want the column names, don't select all of the rows in the table. This is more efficient: curs.execute("SELECT * FROM people LIMIT 0")
– Demitri
Sep 6 '12 at 22:03
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How do I use CMake?
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What is the Makefile? Where do I find the project/solution file for visualstudio?
– lital maatuk
Oct 22 '11 at 13:00
3
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Haskell, Lisp, and verbosity [closed]
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Short answer:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static ...
How do I get Pyflakes to ignore a statement?
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This is actually what we ended up doing. (Well, this and parsing pyflakes output to ignore errors on lines with a silence pyflakes comment.) Thanks!
– a paid nerd
Aug 26 '12 at 19:27
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
...ve a circular dependency between $http and your AuthService.
What you are doing by using the $injector service is solving the chicken-and-egg problem by delaying the dependency of $http on the AuthService.
I believe that what you did is actually the simplest way of doing it.
You could also do thi...
How to “return an object” in C++?
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I don't want to return a copied value because it's inefficient
Prove it.
Look up RVO and NRVO, and in C++0x move-semantics. In most cases in C++03, an out parameter is just a good way to make your code ugly, and in C++0x you...
How do I parse XML in Python?
...xml').getroot()
Or any of the many other ways shown at ElementTree. Then do something like:
for type_tag in root.findall('bar/type'):
value = type_tag.get('foobar')
print(value)
And similar, usually pretty simple, code patterns.
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Most efficient way to cast List to List
...ch assumes that everything in the list is a SubClass.
Generic collections do not behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this:
SubClass[] subs = ...;
BaseClass[] bases = subs;
This is allowed, because the array "knows" the type of its elements. If so...