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What's the difference between and
...is can matter if you're trying to retain compatibility with a pre-generics API that used Object.)
Source: http://download.oracle.com/javase/tutorial/extra/generics/convert.html; it explains why the JDK's java.util.Collections class has a method with this signature:
public static <T extends Obje...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
...
First download the JavaMail API and make sure the relevant jar files are in your classpath.
Here's a full working example using GMail.
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class Main {
private static Stri...
What is a practical use for a closure in JavaScript?
...rating instrumentation (counting calls) from semantics (an error-reporting API). Other uses include:
Passing parameterised behaviour into an algorithm (classic higher-order programming):
function proximity_sort(arr, midpoint) {
arr.sort(function(a, b) { a -= midpoint; b -= midpoint; return a*...
How can I make a JUnit Test wait?
...that a specific condition occurs before you move on.
It has a nice fluent api as well
await().until(() ->
{
return yourConditionIsMet();
});
https://github.com/jayway/awaitility
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
...est secure connections? for ex, if you want to test against Facebook Graph API? developers.facebook.com/docs/graph-api/webhooks#setup
– frednikgohar
Apr 17 at 5:35
...
AngularJS $resource RESTful example
...omise then() or the callback method.
Standard use
var Todo = $resource('/api/1/todo/:id');
//create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a todo
var todo2 = Todo.get({id: 123});
todo2.foo += '!';
todo2.$save();
//which is basica...
When and how should I use a ThreadLocal variable?
...en using them to avoid unwanted side-effects and memory leaks. Design your APIs so that the ThreadLocal values will always be automatically cleared when they are not needed anymore and that incorrect use of the API won't be possible (for example like this). ThreadLocals can be used to make the code ...
from jquery $.ajax to angular $http
... sure to check AngularJS documentation for more: http://docs.angularjs.org/api/ng.$http
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What is so bad about singletons? [closed]
...ur objects can secretly get hold of things which are not declared in their APIs, and, as a result, Singletons make your APIs into pathological liars.
Where have all the Singletons Gone makes the point that dependency injection has made it easy to get instances to constructors that require them, wh...
Limit file format when using ?
...JavaScript (rather than just by looking at the extension) using HTML5 File API, but still, the file must be verified on the server, because a malicious user will still be able to upload files by making a custom HTTP request.
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