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How can I create a two dimensional array in JavaScript?
...
var arr = Array.from(Array(2), () => new Array(4));
arr[0][0] = 'foo';
console.info(arr);
The same trick can be used to Create a JavaScript array containing 1...N
Alternatively (but more inefficient 12% with n = 10,000)
Array(2).fill(null).map(() => Array(4))
The performan...
Get type of all variables
...f(1L) #a single numeric with L postfixed: integer
typeof("foobar") #A single string in double quotes: character
typeof(1) #a single numeric: double
typeof(list(5,6,7)) #a list of numeric: list
typeof(2i) ...
How do I create a copy of an object in PHP?
...s->someObject;
}
}
Now you can do cloning:
$bar = new MyClass();
$foo = clone $bar;
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How can I extend typed Arrays in Swift?
...ement is a placeholder for the contained type. For example: var myArray = [Foo]() means that myArray will only contain type Foo. Foo in this case is "mapped" to the generic placeholder Element. If you want to change the general behavior of Array (via extension) you would use the generic placeholder ...
PHP method chaining?
...the host object, while a Fluent Interface is aimed at creating a DSL. Ex: $foo->setBar(1)->setBaz(2) vs $table->select()->from('foo')->where('bar = 1')->order('ASC). The latter spans multiple objects.
– Gordon
Sep 16 '10 at 7:32
...
Is it not possible to stringify an Error using JSON.stringify?
... writable: true
});
var error = new Error('testing');
error.detail = 'foo bar';
console.log(JSON.stringify(error));
// {"message":"testing","detail":"foo bar"}
Using Object.defineProperty() adds toJSON without it being an enumerable property itself.
Regarding modifying Error.prototype, wh...
Simplest way to serve static data from outside the application server in a Java web application
...t: We have been created 2 alias. For example, we save images at: D:\images\foo.jpg
and view from link or using image tag:
<img src="http://localhost:8080/ABC/images/foo.jsp" alt="Foo" height="142" width="142">
or
<img src="/images/foo.jsp" alt="Foo" height="142" width="142">
(I u...
What is the difference between server side cookie and client side cookie?
...swer from the server:
HTTP/1.1 200 OK
Content-type: text/html
Set-Cookie: foo=10
Set-Cookie: bar=20; Expires=Fri, 30 Sep 2011 11:48:00 GMT
... rest of the response
Here two cookies foo=10 and bar=20 are stored on the browser. The second one will expire on 30 September.
In each subsequent reques...
Executing JavaScript without a browser?
...iles with the #!/usr/bin/js shebang line and things will just work:
$ cat foo.js
#!/usr/bin/js
console.log("Hello, world!");
$ ls -lAF /usr/bin/js /etc/alternatives/js /usr/bin/nodejs
lrwxrwxrwx 1 root root 15 Jul 16 04:26 /etc/alternatives/js -> /usr/bin/nodejs*
lrwxrwxrwx 1 root root ...
Django: Why do some model fields clash with each other?
...above the apps and then import the apps e.g.
myproject/
apps/
foo_app/
bar_app/
So if you are importing apps, foo_app and bar_app then you could get this issue. I had apps, foo_app and bar_app all listed in settings.INSTALLED_APPS
And you want to avoid importing apps anyway, b...