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Javascript Functions and default parameters, not working in IE and Chrome
...ds on your situation. If you know the argument won't be falsey, you can do foo = foo || "the default". Or you can check the .length of the arguments object. Or you can simply test each parameter for undefined. There are different occasions to use each.
– the system
...
Pass parameter to fabric task
...s to tasks:
fab task:'hello world'
fab task:something='hello'
fab task:foo=99,bar=True
fab task:foo,bar
You can read more about it in Fabric docs.
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Ways to save enums in database
...t to declare the same information in two places? Both in CODE public enum foo {bar} and CREATE TABLE foo (name varchar); that can easily get out of sync.
– ebyrob
Nov 11 '16 at 16:17
...
How to validate an email address in JavaScript
...actically anything, including an @, is valid in the name_part; The address foo@bar@machine.subdomain.example.museum is legal, although it must be escaped as foo\@bar@machine..... Once the email reaches the domain e.g. 'example.com' that domain can route the mail "locally" so "strange" usernames and ...
What's the best way to parse command line arguments? [closed]
...rg 3 --switch
Argument values:
1
2
3
True
Incorrect arguments:
$ ./app foo 2 --opt_arg 3 --switch
usage: convert [-h] [--opt_arg OPT_ARG] [--switch] pos_arg [opt_pos_arg]
app: error: argument pos_arg: invalid int value: 'foo'
$ ./app 11 2 --opt_arg 3
Argument values:
11
2
3
False
usage: app [-h...
How to remove the arrow from a select element in Firefox
...;
height: 15px;
}
<select class='select'>
<option value='foo'>bar</option>
</select>
this is so you can still click on it
Then make div with the same dimensions as the select box. The div should lay under the select box as the background. Use { position: absol...
What's the best way to iterate over two or more containers simultaneously
...bind.hpp>
#include <boost/range/algorithm_ext/for_each.hpp>
void foo(int a, int& b)
{
b = a + 1;
}
int main()
{
std::vector<int> contA = boost::assign::list_of(4)(3)(5)(2);
std::vector<int> contB(contA.size(), 0);
boost::for_each(contA, contB, boost::bind(...
How to create a new (and empty!) “root” branch?
... need some value which is a valid pointer.
Test:
git switch master
echo foo >foo.txt
git switch --discard-changes --orphan new-orphan2
git ls-files >tracked-files
# test_must_be_empty tracked-files
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Does Swift have documentation generation support?
...s very buggy and sensitive to colons, but it's better than nothing:
class Foo {
/// This method does things.
/// Here are the steps you should follow to use this method
///
/// 1. Prepare your thing
/// 2. Tell all your friends about the thing.
/// 3. Call this method to do...
How to have stored properties in Swift, the same way I had on Objective-C?
...et a computed property; something like:
extension String {
public var Foo : String {
get
{
return "Foo"
}
set
{
// What do you want to do here?
}
}
}
Should work fine. Remember, you can't store new values in the sett...