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In JavaScript, does it make a difference if I call a function with parentheses?
...ons using and not using ()'s
Lets take this function for example:
function foo(){
return 123;
}
if you log "foo" - without ()
console.log(foo);
---outout------
function foo(){
return 123;
}
Using no () means to fetch the function itself. You would do this if you want it to be passed along as a ...
What does “@” mean in Windows batch scripts
...tput the respective command. Compare the following two batch files:
@echo foo
and
echo foo
The former has only foo as output while the latter prints
H:\Stuff>echo foo
foo
(here, at least). As can be seen the command that is run is visible, too.
echo off will turn this off for the compl...
How to create a template function within a class? (C++)
... in the same file, but it may cause over-sized excutable file. E.g.
class Foo
{
public:
template <typename T> void some_method(T t) {//...}
}
Also, it is possible to put template definition in the separate files, i.e. to put them in .cpp and .h files. All you need to do is to explicitly inc...
Mac OSX Lion DNS lookup order [closed]
... @bbrame: You can enter your local domain with the url scheme: http://foo.dev/ ; After that, Chrome will realize that foo.dev is a domain and not a query.
– guns
May 1 '12 at 21:34
...
Passing arrays as parameters in bash
... case, this code would work exactly as you might expect it to:
declare -A foo bar
foo=${bar}
Then, passing arrays by value to functions and assigning one array to another would work as the rest of the shell syntax dictates. But because they didn't do this right, the assignment operator = doesn't...
In Docker, what's the difference between a container and an image? [duplicate]
...oc root run sbin srv sys tmp usr var
root@48cff2e9be75:/# cat > foo
This is a really important file!!!!
root@48cff2e9be75:/# exit
Don't expect that file to stick around when you exit and restart the image. You're restarting from exactly the same defined state as you started in before, n...
Are PHP functions case sensitive?
...ass names are case-insensitive:
<?php
class SomeThing {
public $x = 'foo';
}
$a = new SomeThing();
$b = new something();
$c = new sOmEtHING();
var_dump($a, $b, $c);
This outputs:
class SomeThing#1 (1) {
public $x =>
string(3) "foo"
}
class SomeThing#2 (1) {
public $x =>
strin...
Determine if string is in list in JavaScript
...rnative I leave you two more options that will work on all browsers:
if (/Foo|Bar|Baz/.test(str)) {
// ...
}
if (str.match("Foo|Bar|Baz")) {
// ...
}
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...
disable textbox using jquery?
... value = $(this).val();
if(value == 'x'){
enableInput('foo'); //with class foo
enableInput('bar'); //with class bar
}else{
disableInput('foo'); //with class foo
disableInput('bar'); //with class bar
}
});
});
...
Are PostgreSQL column names case-sensitive?
...
@adfs: In SQL, foobar, FOOBAR and FooBar are the same identifier. However "foobar", "FooBar" and "FOOBAR" are different identifiers
– a_horse_with_no_name
Apr 5 '15 at 21:23
...