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How to access parameters in a RESTful POST method
...ype: application/json
Content-Length: 35
Host: www.example.com
{"param1":"hello","param2":"world"}
Using JSON in this way is quite common for obvious reasons. However, if you are generating or consuming it in something other than JavaScript, then you do have to be careful to properly escape the ...
Using GSON to parse a JSON array
...em your data will become
[
{
"number": "3",
"title": "hello_world"
}, {
"number": "2",
"title": "hello_world"
}
]
and
Wrapper[] data = gson.fromJson(jElement, Wrapper[].class);
should work fine.
...
Java “params” in method signature?
...
public static void main(String[] args) {
printArgs(3, true, "Hello!", new Boolean(true), new Double(25.3), 'a', new Character('X'));
printArgsAlternate(3, true, "Hello!", new Boolean(true), new Double(25.3), 'a', new Character('X'));
}
private static void printArgs(Obj...
correct way to define class variables in Python [duplicate]
...wired:~$cat test.py
#!/usr/bin/env python
class MyClass:
element1 = "Hello"
def __init__(self):
self.element2 = "World"
obj = MyClass()
print dir(MyClass)
print "--"
print dir(obj)
print "--"
print obj.element1
print obj.element2
print MyClass.element1 + " " + MyClass.element2
...
Can we call the function written in one JavaScript in another JS file?
...ript>
And in script.js file include another file like that:
import { hello } from './module.js';
...
// alert(hello());
In 'module.js' you must export function/class that you will import
export function hello() {
return "Hello World";
}
Working example here.
...
MySQL, better to insert NULL or empty string?
... most database adapters / ORMs map NULL to None.
So things like:
print "Hello, %(title)s %(firstname) %(lastname)!" % databaserow
might result in "Hello, None Joe Doe!" To avoid it you need something like this code:
if databaserow.title:
print "Hello, %(title)s %(firstname) %(lastname)!" %...
What __init__ and self do on Python?
...
In this code:
class A(object):
def __init__(self):
self.x = 'Hello'
def method_a(self, foo):
print self.x + ' ' + foo
... the self variable represents the instance of the object itself. Most object-oriented languages pass this as a hidden parameter to the methods define...
Handlebars.js Else If
...rs
Example:
{{#conditions}}
{{#next condition1}}
Hello 1!!!
{{/next}}
{{#next condition2}}
Hello 2!!!
{{/next}}
{{#next condition3}}
Hello 3!!!
{{/next}}
{{#next condition4}}
Hello 4!!!
...
How to send a message to a particular client with socket.io
...o
Server Side:
io.sockets.in('user1@example.com').emit('new_msg', {msg: 'hello'});
The last thing left to do on the client side is listen to the "new_msg" event.
Client Side:
socket.on("new_msg", function(data) {
alert(data.msg);
}
I hope you get the idea.
...
jQuery pass more parameters into callback
...le callback function:
function callbackReceiver(callback) {
callback("Hello World");
}
function callback(value1, value2) {
console.log(value1, value2);
}
This calls the callback and supplies a single argument. Now you want to supply an additional argument, so you wrap the callback in clo...