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How can I save my secret keys and password securely in my version control system?
I keep important settings like the hostnames and ports of development and production servers in my version control system. But I know that it's bad practice to keep secrets (like private keys and database passwords) in a VCS repository.
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How to avoid reinstalling packages when building Docker image for Python projects?
My Dockerfile is something like
4 Answers
4
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How do cache lines work?
...ich - for instance, on my Atom processor - brings in about 64 bytes at a time, whatever the size of the actual data being read.
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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
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void foo(void);
That is the correct way to say "no parameters" in C, and it also works in C++.
But:
void foo();
Means different things in C and C++! In C it means "could take any number of parameters of unknown types", and in C++ it means the same as foo(void).
Variable argu...
What's the best strategy for unit-testing database-driven applications?
...unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be faked through object mocking.
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Why is reading lines from stdin much slower in C++ than Python?
...e. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm misunderstanding something.
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Fat models and skinny controllers sounds like creating God models [closed]
...he Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and then bring up the view. So I've two concerns here which I don't understand:
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Is multiplication and division using shift operators in C actually faster?
...e code sequence is. It's even possible that the processor itself has implemented the multiply instruction as a sequence of shifts & adds in microcode.
Bottom line--don't spend a lot of time worrying about this. If you mean to shift, shift. If you mean to multiply, multiply. Do what is seman...
How is __eq__ handled in Python and in what order?
...king B.__eq__ to see if it knows how to compare itself to an int.
If you amend your code to show what values are being compared:
class A(object):
def __eq__(self, other):
print("A __eq__ called: %r == %r ?" % (self, other))
return self.value == other
class B(object):
def __...
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...ogically True. This facilitates the common use case where you want to do something if a list is empty and something else if the list is not. Note that this means that the list [False] is logically True:
>>> if [False]:
... print 'True'
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True
So in Example 1, the first list is non-e...