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List Git aliases
How do I print a list of my git aliases, i.e., something analogous to the bash alias command?
16 Answers
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What is polymorphism, what is it for, and how is it used?
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If you think about the Greek roots of the term, it should become obvious.
Poly = many: polygon = many-sided, polystyrene = many styrenes (a), polyglot = many languages, and so on.
Morph = change or form: morphology = study of biolog...
What is the difference between dynamic and static polymorphism in Java?
Can anyone provide a simple example that explains the difference between Dynamic and Static polymorphism in Java?
14 An...
Pythonic way to print list items
I would like to know if there is a better way to print all objects in a Python list than this :
11 Answers
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Can overridden methods differ in return type?
... return type is assignable to the return type of the method you are overriding, it's allowed.
For example:
class ShapeBuilder {
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public Shape build() {
....
}
class CircleBuilder extends ShapeBuilder{
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@Override
public Circle build() {
....
}
This is specified ...
Environment variable substitution in sed
...ms hard to diagnose. Potential problems:
You may need double quotes, as in sed 's/xxx/'"$PWD"'/'
$PWD may contain a slash, in which case you need to find a character not contained in $PWD to use as a delimiter.
To nail both issues at once, perhaps
sed 's@xxx@'"$PWD"'@'
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Declaring variables inside loops, good practice or bad practice?
Question #1: Is declaring a variable inside a loop a good practice or bad practice?
6 Answers
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Correct way to define C++ namespace methods in .cpp file
...h namespace MyClass belongs to and it's just illogical (class function not in the same namespace?)
Version 1 is right because it shows that in the namespace, you are defining the function.
Version 3 is right also because you used the :: scope resolution operator to refer to the MyClass::method () ...
What optimizations can GHC be expected to perform reliably?
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This GHC Trac page also explains the passes fairly well. This page explains the optimization ordering, though, like the majority of the Trac Wiki, it is out of date.
For specifics, the best thing to do is probably to look at how a specific program is co...
preferredStatusBarStyle isn't called
...sn't called.
Are there any options that I can change to enable it? (I'm using XIBs in my project.)
25 Answers
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