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Difference between Django's annotate and aggregate methods?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f7981837%2fdifference-between-djangos-annotate-and-aggregate-methods%23new-answer', 'question_page');
}
);
...
Android Fragment onClick button Method
...Button) view.findViewById(R.id.btn_conferma);
button.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
// do something
}
});
return view;
}
...
What is the use of the JavaScript 'bind' method?
...
Bind creates a new function that will force the this inside the function to be the parameter passed to bind().
Here's an example that shows how to use bind to pass a member method around that has the correct this:
var myButton = {
conte...
Remove duplicate rows in MySQL
...can be easily adapted to different needs.
The general idea is to create a new temporary table, usually adding a unique constraint to avoid further duplicates, and to INSERT the data from your former table into the new one, while taking care of the duplicates. This approach relies on simple MySQL IN...
Using the “animated circle” in an ImageView while loading stuff
...he dialog:
//maybe in onCreate
showDialog(MY_LOADING_DIALOG);
fooThread = new FooThread(handler);
fooThread.start();
Now the thread does the work:
private class FooThread extends Thread {
Handler mHandler;
FooThread(Handler h) {
mHandler = h;
}
public void run() {
...
How do you detect Credit card type based on number?
...in the comments on this answer.
UPDATE (2016): Mastercard is to implement new BIN ranges starting Ach Payment.
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Can someone explain how to implement the jQuery File Upload plugin?
...r({src:res.data});
})
}
function image_preview(file){
var def = new $.Deferred();
var imgURL = '';
if (file.type.match('image.*')) {
//create object url support
var URL = window.URL || window.webkitURL;
if (URL !== undefined) {
imgURL = URL.crea...
Custom method names in ASP.NET Web API
I'm converting from the WCF Web API to the new ASP.NET MVC 4 Web API. I have a UsersController, and I want to have a method named Authenticate. I see examples of how to do GetAll, GetOne, Post, and Delete, however what if I want to add extra methods into these services? For instance, my UsersService...
How do I view the SQL generated by the Entity Framework?
...t to view the output SQL in Visual Studio (like I did) you have to use the new logging/interception functionality.
Adding the following line will spit out the generated SQL (along with additional execution-related details) in the Visual Studio output panel:
using (MyDatabaseEntities context = new ...
How to set timer in android?
...ad from our timertask
//and updates the textfield
final Handler h = new Handler(new Callback() {
@Override
public boolean handleMessage(Message msg) {
long millis = System.currentTimeMillis() - starttime;
int seconds = (int) (millis / 1000);
i...