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How do I get an empty array of any size in python?
I basically want a python equivalent of this in C:
8 Answers
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What's the difference between django OneToOneField and ForeignKey?
...OneToOneField(SomeModel) and ForeignKey(SomeModel, unique=True). As stated in The Definitive Guide to Django:
OneToOneField
A one-to-one relationship. Conceptually, this is similar to a ForeignKey with unique=True, but the "reverse" side of the relation will directly return a single object....
Foreign Key naming scheme
I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them?
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PUT vs. POST in REST
According to the HTTP/1.1 Spec:
34 Answers
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How do I check if a variable exists in a list in BASH
I am trying to write a script in bash that check the validity of a user input.
I want to match the input (say variable x ) to a list of valid values.
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Should I return a Collection or a Stream?
Suppose I have a method that returns a read-only view into a member list:
9 Answers
9
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...Java which calls startActivityForResult() .
SecondActivity.Java call finish() but onActivityResult never get called which is
written in FragmentA.Java .
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How to use executables from a package installed locally in node_modules?
How do I use a local version of a module in node.js . For example, in my app, I installed coffee-script:
22 Answers
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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
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How does the bitwise complement operator (~ tilde) work?
...f the positive counterpart. As an example, here's the representation of -2 in two's complement: (8 bits)
1111 1110
The way you get this is by taking the binary representation of a number, taking its complement (inverting all the bits) and adding one. Two starts as 0000 0010, and by inverting the bi...