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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...se application's context too to launch a new activity but then you need to set flag Intent.FLAG_ACTIVITY_NEW_TASK in intent to treat it as a new task.
Now referring to your cases:
LoginActivity.this though its referring to your own class which extends Activity class but the base class (Activity) a...
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...f a Python context). The times I remember are when working with Mandelbrot sets. Sometimes you need to make an integral value, but then apply some floating point operation to the value immediately afterwards (say, scaling it by 0.5). Then it's much more efficient to keep the floored float and apply ...
Blank space at top of UITextView in iOS 10
...
A text view is a scroll view. View controllers will add a content offset automatically to scroll views, as it is assumed they will want to scroll up behind the nav bar and status bar.
To prevent this, set the following property on the view controller containing the text view:
self.automatic...
How to send a header using a HTTP request through a curl call?
...name as one of the internal ones curl would
use, your externally set header will be used instead of the internal
one. This allows you to make even trickier stuff than curl would
normally do. You should not replace internally set headers without
knowing ...
Difference between maven scope compile and provided for JAR packaging
...
building a web application for the Java Enterprise Edition, you would
set the dependency on the Servlet API and related Java EE APIs to
scope provided because the web container provides those classes. This
scope is only available on the compilation and test classpath, and is
not transitiv...
ActiveRecord: List columns in table from console
...
In rails 3.2, doing it this way somehow doesn't set the primary attribute correctly (all columns have primary=nil). It is set correctly with the Model.columns method suggested by srt32.
– sayap
Apr 24 '14 at 4:17
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How to check if PHP array is associative or sequential?
...would avoid a lot of potential cpu time and memory if one would check if isset($arr[0]) is false before extracting all the keys as is it clearly associative if the array is not empty but has no element in 0 position. As "most" real associative arrays have strings as keys this should be a nice optimi...
jQuery Ajax calls and the Html.AntiForgeryToken()
...for a user across all pages (it works in conjunction with a cookie that is set and stays the same). So it doesn't matter if there are multiple requests per page, it'll be the same if the base page reloaded anyway.
– JeremyWeir
Dec 28 '15 at 10:58
...
Why does one use dependency injection?
... that this test will most likely always fail, since the date that is being set will differ from the date being asserted, even if you just put DateTime.Now in the test code it might be off by a couple of milliseconds and will therefore always fail. A better solution now would be to create an interfac...
What exactly do the Vagrant commands do?
...tend to the actual gem
interface, with the difference being that Vagrant sets up a custom
directory where gems are installed so that they are isolated from your
system gems.
Vagrant ssh-config:
Under the hood, when you execute vagrant ssh to ssh into VM. It is utilizing it's well known ssh...