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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...// Create 2 instances:
var ins1 = new Class(),
ins2 = new Class();
// Test the calc method:
console.log(ins1.calc(1,1), ins2.calc(1,1));
// -> 2, 2
// Change the prototype method
Class.prototype.calc = function () {
var args = Array.prototype.slice.apply(arguments),
res = 0, c;
...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...parameter is a positional parameter with more than one digit…
Let's test:
$ set -- {0..100}
$ echo $22
12
$ echo ${22}
20
Huh. Neat. I honestly didn't know that before writing this (I've never had more than 9 positional parameters before.)
Of course, you also need braces to do the powerfu...
How can I view all the git repositories on my machine?
...ly. Man page solution follows "find repo/ ( -exec test -d '{}'/.svn \; -or \ -exec test -d {}/.git \; -or -exec test -d {}/CVS \; ) \ -print -prune Check it out. Edit out svn and cvs if not required
– quiet_penguin
Oct 29 ...
Why do my list item bullets overlap floating elements
...he only small draw back is that zoom property does not validate CSS, but I tested and on IE7, IE8 is not necessary, so it's probably just for IE6.
– Marco Demaio
Aug 24 '10 at 16:30
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How to call base.base.method()?
...
public class A
{
public int i = 0;
internal virtual void test()
{
Console.WriteLine("A test");
}
}
public class B : A
{
public new int i = 1;
public new void test()
{
Console.WriteLine("B test");
}
}
public class C : B
{
public new int ...
How to remove certain characters from a string in C++?
...rsToRemove) {};
bool operator()(char c)
{
for(const char* testChar = chars; *testChar != 0; ++testChar)
{
if(*testChar == c) { return true; }
}
return false;
}
private:
const char* chars;
};
int main()
{
std::string str("(555) 555-55...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...when comparing, and is therefore faster (as according to This JS benchmark test) as it skips one step.
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What is the difference between call and apply?
...
So:
// assuming you have f
function f(message) { ... }
f.call(receiver, "test");
f.apply(receiver, ["test"]);
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Save the console.log in Chrome to a file
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@Inorganik I was searching for a way for selenium tests to capture console output, but it will be used for a testing service so we don't have control of the user's websites. I think your tool is cool, but it would require a user to rewrite their existing console.log statem...
Media query to detect if device is touchscreen
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The Modernizr.touch test only indicates if the browser supports touch events, which does not necessarily reflect a touchscreen device. For example, Palm Pre / WebOS (touch) phones do not support touch events and thus fail this test.
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