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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
...ess resources (e.g. openFileInput(), getString()), interact with other components (e.g. sendBroadcast(), registerReceiver()), requests permissions (e.g. checkCallingOrSelfPermission()) and resolving file system locations (e.g. getFilesDir()). ContextWrapper is really useful to work around device/ver...
In which order should floats be added to get the most precise result?
... bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has no effect at all on the total.
If the small values come first, they will at ...
How to ignore the first line of data when processing CSV data?
...me it's the prescribed way to do it. I agree that doing it on the basis of one line of data doesn't seem like it would always be enough data to make such a determination—but I have no idea since how the Sniffer works isn't described. FWIW I've never seen has_header(file.readline()) being used and ...
Python Flask, how to set content type
...n I did it, I ended up with two Content-Type headers in response - default one and added one.
– omikron
Feb 2 '17 at 16:15
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What are the most useful Intellij IDEA keyboard shortcuts? [closed]
... all the places where this method is implemented, and you can select which one you want to go to (if there is only one implementation, you go straight there). The same goes for overridden methods.
The opposite of this is Ctrl + U (Go to super-method/super-class). If the caret is at the implementati...
C++ Singleton design pattern
...zy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
public:
static S&...
Can I have multiple background images using CSS?
...it possible to have two background images? For instance, I'd like to have one image repeat across the top (repeat-x), and another repeat across the entire page (repeat), where the one across the entire page is behind the one which repeats across the top.
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How do you delete all text above a certain line
...top of the file.
Also
dG
will delete all lines at or below the current one
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How to build a framework or library for other developers, the secure way? [closed]
...he source code.
Check out these articles (I've successfully used the first one to create frameworks in the past -- the later articles are updates to the original):
http://www.drobnik.com/touch/2010/04/making-your-own-iphone-frameworks/
http://www.drobnik.com/touch/2010/05/making-your-own-iphone-fram...
Git fast forward VS no fast forward merge
...you still want sometimes to have each commit in the mainline correspond to one feature. So you treat a feature branch with a bunch of commits as a single unit, and merge them as a single unit. It is clear from your history when you do feature branch merging with --no-ff.
If you do not care about su...