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How do I pass command line arguments to a Node.js program?
...ice(2));
console.dir(argv);
-
$ node example/parse.js -a beep -b boop
{ _: [], a: 'beep', b: 'boop' }
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$ node example/parse.js -x 3 -y 4 -n5 -abc --beep=boop foo bar baz
{ _: [ 'foo', 'bar', 'baz' ],
x: 3,
y: 4,
n: 5,
a: true,
b: true,
c: true,
beep: 'boop' }
...
Extract subset of key-value pairs from Python dictionary object?
...
A bit shorter, at least:
wanted_keys = ['l', 'm', 'n'] # The keys you want
dict((k, bigdict[k]) for k in wanted_keys if k in bigdict)
share
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improve thi...
How to Unit test with different settings in Django?
...f the latest objects. The number of objects it returns is defined by a NUM_LATEST setting.
13 Answers
...
How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
... job);
Mapper.Map(contactViewModel, job.Contact);
_db.Jobs.Add(job);
_db.SaveChanges();
//you do not even need this line of code,200 is the default for ASP.NET MVC as long as no exceptions were thrown
//Response.StatusCode = (int)HttpSta...
How to change variables value while debugging with LLDB in Xcode?
...es a crash, breakpoint
hit or signal.
Examples:
expr my_struct->a = my_array[3]
expr -f bin -- (index * 8) + 5
expr char c[] = "foo"; c[0]
IMPORTANT NOTE: Because this command takes 'raw' input, if you use any command options you must use ' -- ' between the...
How can I generate random alphanumeric strings?
...nt than the given one return new string(Enumerable.Range(1, length).Select(_ => chars[random.Next(chars.Length)]).ToArray());
– Tyson Williams
Nov 11 '16 at 18:06
...
Class vs. static method in JavaScript
...thing similar to a class in a standard OOP language.
I'd suggest ignoring __proto__ most of the time because it has poor cross browser support, and instead focus on learning about how prototype works.
If you have an instance of an object created from a function2 and you access one of its members (...
How can I redirect HTTP requests made from an iPad?
....
sudo apt-get install libapache2-mod-proxy-html
sudo a2enmod proxy proxy_http proxy_html
sudo apache2ctl graceful
Then create a virtual host file, for example /etc/apache2/sites-available/my-proxy
Listen *:8080
<VirtualHost *:8080>
ProxyRequests On
<Proxy *>
Order ...
What is “rvalue reference for *this”?
.... Take the following code as a further example:
struct test2{
std::unique_ptr<int[]> heavy_resource;
test2()
: heavy_resource(new int[500]) {}
operator std::unique_ptr<int[]>() const&{
// lvalue object, deep copy
std::unique_ptr<int[]> p(new int[500]);
f...
Table Header Views in StoryBoards
...eak var audioView: UIView!
Then in tableview code I did:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
return audioView
}
func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return 142
}
It work...