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How can jQuery deferred be used?
... return promise;
};
// Default cache key generator (works with Booleans, Strings, Numbers and Dates)
// You will need to create your own key generator if you work with Arrays etc.
ResultsCache.prototype._cacheKeyGenerator = function(args) {
return Array.prototype.slice.call(arguments).join("|"...
str performance in python
...ed that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
...
Why does one use dependency injection?
...meStuff() {
// Do something with B here
}
}
public static void Main(string[] args) {
A a = new A();
a.DoSomeStuff();
}
you write code like this:
public class A {
private B b;
public A(B b) { // A now takes its dependencies as arguments
this.b = b; // look ma, no "new"!
}
...
How to select multiple files with ?
...lement.
when you want to upload multiple file you should use array and not string as the value of the
name attribute.
ex: input type="file" name="myPhotos[]" multiple="multiple"
and if you are using php then you will get the data in $_FILES and
use var_dump($_FILES) and see output and do process...
How do I see the current encoding of a file in Sublime Text?
...has no BOM (byte-order mark), (b) the file contains only single-byte ASCII chars., (c) the file has not yet been saved by Sublime Text in this session. Once saved by ST , it then reports 'UTF8' until closed (on re-opening the guessing starts over).
– mklement0
...
Cannot overwrite model once compiled Mongoose
...se');
var Schema = mongoose.Schema;
var userSchema = new Schema({
name:String,
email:String,
password:String,
phone:Number,
_enabled:Boolean
});
module.exports = mongoose.model('users', userSchema);
check.js
var mongoose = require('mongoose');
var User = require('./user_...
How do I perform a Perl substitution on a string while keeping the original?
In Perl, what is a good way to perform a replacement on a string using a regular expression and store the value in a different variable, without changing the original?
...
Possible to perform cross-database queries with PostgreSQL?
...nnection. If not found, the first argument is treated as a
connection info string as for dblink_connect, and the indicated
connection is made just for the duration of this command.
one of the good example:
SELECT *
FROM table1 tb1
LEFT JOIN (
SELECT *
FROM dblink('dbname=db2','SELECT ...
Concatenate two slices in Go
...s
a first argument assignable to type []byte with a second argument of
string type followed by .... This form appends the bytes of the
string.
append(s S, x ...T) S // T is the element type of S
s0 := []int{0, 0}
s1 := append(s0, 2) // append a single element s1 == []int{0, 0, 2}...
Undo scaffolding in Rails
...p in mind that it will remove the view folder for my_foo, even if you have extra files there.
– Andrew K
Sep 2 '17 at 21:22
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