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git ignore exception
...avior I want. However, if I want an exception ( i.e. to be able to commit foo.dll ), how can I achieve this?
9 Answers
...
argparse module How to add option without any argument?
...>>> p = ArgumentParser()
>>> _ = p.add_argument('-f', '--foo', action='store_true')
>>> args = p.parse_args()
>>> args.foo
False
>>> args = p.parse_args(['-f'])
>>> args.foo
True
...
Convert file path to a file URI?
...e paths. So you can just do the following:
var uri = new System.Uri("c:\\foo");
var converted = uri.AbsoluteUri;
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Why do I have to access template base class members through the this pointer?
... int A;
#endif
static const int x = 2;
template <typename T> void foo() { A *x = 0; }
if A is a type, that declares a pointer (with no effect other than to shadow the global x). If A is an object, that's multiplication (and barring some operator overloading it's illegal, assigning to an r...
Why is using “for…in” for array iteration a bad idea?
...ate:
// Somewhere deep in your JavaScript library...
Array.prototype.foo = 1;
// Now you have no idea what the below code will do.
var a = [1, 2, 3, 4, 5];
for (var x in a){
// Now foo is a part of EVERY array and
// will show up here as a value of 'x'.
console.log(x);
}
...
PHP 5: const vs static
...nction) and can store its value between function calls, example:
function foo()
{
static $numOfCalls = 0;
$numOfCalls++;
print("this function has been executed " . $numOfCalls . " times");
}
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Performance difference for control structures 'for' and 'foreach' in C#
...Time.Now;
for (int i = 0; i < intList.Count; i++)
{
int foo = intList[i] * 2;
if (foo % 2 == 0)
{
}
}
TimeSpan finished = DateTime.Now - timeStarted;
Console.WriteLine(finished.TotalMilliseconds.ToString());
Console.Read();
}
And here i...
Overload with different return type in Java?
...ficient for the compiler to figure out which function to call:
public int foo() {...}
public float foo() {..}
...
foo(); // which one?
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In Python, using argparse, allow only positive integers
... return ivalue
parser = argparse.ArgumentParser(...)
parser.add_argument('foo', type=check_positive)
This is basically just an adapted example from the perfect_square function in the docs on argparse.
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JavaScript closures vs. anonymous functions
....
Consider the following example;
function f()
{//begin of scope f
var foo='hello'; //foo is declared in scope f
for(var i=0;i<2;i++){//i is declared in scope f
//the for loop is not a function, therefore we are still in scope f
var bar = 'Am I accessible?';//bar is declared in sc...