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Android: alternate layout xml for landscape mode
...ave one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
...
How does cookie based authentication work?
...e.
There are different options you can configure for the cookie server side, like expiration times or encryption. An encrypted cookie is often referred to as a signed cookie. Basically the server encrypts the key and value in the dictionary item, so only the server can make use of the informati...
How do you beta test an iphone app?
...ll the steps in using itself, while ibetatest was resorting to a very dry video to explain the process.
– DanF
May 7 '11 at 21:39
...
What happens if you call erase() on a map element while iterating from begin to end?
...;
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
pm_it = port_map.erase(pm_it);
}
else
{
++pm_it;
}
}
C++03
Erasing elements in a map does not invalidate any iterators.
(apart from iterators on the element that was deleted)
Actu...
Lock-free multi-threading is for real threading experts
... much slower rate. This buffer is called the CPU cache, most CPUs have at least two of them. The 1st level cache is small and fast, the 2nd is big and slower. As long as the CPU can read data and instructions from the 1st level cache it will run fast. A cache miss is really expensive, it puts th...
MySQL with Node.js
...(err) {
// connected! (unless `err` is set)
});
Queries:
var post = {id: 1, title: 'Hello MySQL'};
var query = connection.query('INSERT INTO posts SET ?', post, function(err, result) {
// Neat!
});
console.log(query.sql); // INSERT INTO posts SET `id` = 1, `title` = 'Hello MySQL'
...
Drawing an image from a data URL to a canvas
... Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at wh...
How to implement onBackPressed() in Fragments?
Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android Activity?
...
Long-lasting FB access-token for server to pull FB page info
...hat does not expire (with help from @Igy), here is a clear, step-by-step quide for all those looking to the same:
Make sure you are the admin of the FB page you wish to pull info from
Create a FB App (should be with the same user account that is the page admin)
Head over to the Facebook Graph API ...
What is the proper way to re-attach detached objects in Hibernate?
...ch detached objects to a hibernate session, although an object of the same identity MAY already exist in the session, which will cause errors.
...