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What is 'Context' on Android?
...y-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a class that extends ...
How does Duff's device work?
...e program for the first pass is:
int count; // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) ...
Server.Transfer Vs. Response.Redirect
...
Response.Redirect simply sends a message (HTTP 302) down to the browser.
Server.Transfer happens without the browser knowing anything, the browser request a page, but the server returns the content of another.
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Bomb dropping algorithm
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There is a way to reduce this to a simple sub-problem.
There are 2 parts to the explanation, the algorithm, and the reason the algorithm
provides an optimal solution. The first won't make sense without the second, so I'll
start with the...
What exactly is OAuth (Open Authorization)?
...vider (e.g. Facebook) that the resource owner (e.g. you) grants permission to a third-party (e.g. a Facebook Application) access to their information (e.g. the list of your friends).
If you read it stated as plainly, I would understand your confusion. So let's go with a concrete example: joining ye...
Understanding how recursive functions work
...ve a very fundamental programming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
...
How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
...
What does “dereferencing” a pointer mean?
...rminology
It's usually good enough - unless you're programming assembly - to envisage a pointer containing a numeric memory address, with 1 referring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that...
MVC (Laravel) where to add logic
...do a CRUD operation or modify a relationship in a specific way I also want to do something else. E.g., whenever someone publishes a post I also want to save something to a table for analytics. Maybe not the best example but in general there's a lot of this "grouped" functionality.
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Proper use of the IDisposable interface
...ft documentation that the "primary" use of the IDisposable interface is to clean up unmanaged resources.
19 Answers
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