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Who is calling the Java Thread interrupt() method if I'm not?
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The Thread interrupt mechanism is the preferred way to get a (cooperating) thread to respond a request to stop what it is doing. Any thread (including the thread itself I think) could call interrupt() on a Thread.
In practice, the normal use-cases fo...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
It is quite easy to load HTML content from your custom URLs/Web services using JQuery or any other similar framework. I've used this approach many times and till now and found the performance satisfactory.
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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Android equivalent to NSNotificationCenter
... best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding.
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Are tuples more efficient than lists in Python?
Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements?
8 A...
Determine the number of NA values in a column
... count the number of NA values in a data frame column. Say my data frame is called df , and the name of the column I am considering is col . The way I have come up with is following:
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What is the difference between XML and XSD?
What is the difference between Extensible Markup Language (XML) and XML Schema (XSD)?
7 Answers
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Determining Whether a Directory is Writeable
What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
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#pragma once vs include guards? [duplicate]
I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...
Passing a 2D array to a C++ function
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There are three ways to pass a 2D array to a function:
The parameter is a 2D array
int array[10][10];
void passFunc(int a[][10])
{
// ...
}
passFunc(array);
The parameter is an array containing pointers
int *array[10];
for(int i = 0; i < 10; i++)
array[i] = new int[10];
void pass...