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Android search with Fragments
...r searchable
activity retrieves the query from the intent's QUERY extra, then
searches your data and presents the results.
The underlying, internal system that is responsible for providing search results expects an Activity, not a Fragment; thus, implementing a search interface that is complet...
Visual Studio 2013 and BitBucket
...ket website, create a new repository by clicking on your profile icon, and then go to "View Profile".
Here you will find the "Create Repository" button. Click it. – I have no idea why this button is located here.
Give your repository a new name. For consistency's sake, I name my repository the sa...
Do threads have a distinct heap?
...each thread, but if you do that rather than using the default shared heap, then it becomes difficult for e.g. thread A to allocate a buffer, fill it with data, pass it to thread B, and have thread B use the data and then free the buffer (because thread B doesn't have access to thread A's heap, threa...
How does JavaScript handle AJAX responses in the background?
... will run the ajax response handler. If something is running at the time, then the event will get processed when the current javascript thread of execution finishes. There doesn't need to be any polling by the javascript engine. When a piece of Javascript finishes executing, the JS engine just ch...
catch exception that is thrown in different thread
...and above, you can use Task<T> class instead of creating new thread. Then you can get exceptions using .Exceptions property on your task object.
There are 2 ways to do it:
In a separate method: // You process exception in some task's thread
class Program
{
static void Main(string[] args...
Is there a performance difference between i++ and ++i in C?
...ever a reason to copy the value of a variable, increment the variable, and then throw the copy away.
So, if the resulting value is not used, I would use ++i. But not because it is more efficient: because it correctly states my intent.
...
Do we need semicolon at the end? [duplicate]
...on't mean to sound harsh, if you and your team writes without closing tags then Godsspeed:-)
– Pylinux
Nov 29 '13 at 15:21
...
What does bundle exec rake mean?
... example: if the person simply ran rake db:migrate leaving out bundle exec then it would execute using a systemwide Gemfile where one may have rack at 1.5.2 (latest)?
– Smokin Joe
Feb 19 '14 at 20:26
...
Case insensitive string as HashMap key
...onstructor HashMap(<? extends String, ? extends String> anotherMap), then you shouldn't call the super implementation of the same constructor as that operation will not guarantee that your keys are lower case. you could use: super(anotherMap.size()); putAll(anotherMap); instead.
...
How should I validate an e-mail address?
... just send a confirmation e-mail to the address provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. must be a gmai...