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Adding a directory to $LOAD_PATH (Ruby)
I have seen two commonly used techniques for adding the directory of the file currently being executed to the $LOAD_PATH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the ...
How to asynchronously call a method in Java
I've been looking at Go's goroutines lately and thought it would be nice to have something similar in Java. As far as I've searched the common way to parallelize a method call is to do something like:
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What's the fastest way to read a text file line-by-line?
I want to read a text file line by line. I wanted to know if I'm doing it as efficiently as possible within the .NET C# scope of things.
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Pointer to class data member “::*”
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It's a "pointer to member" - the following code illustrates its use:
#include <iostream>
using namespace std;
class Car
{
public:
int speed;
};
int main()
{
int Car::*pSpeed = &Car::speed;
Car c1;
c1.speed =...
REST API Token-based Authentication
...rs via an external webservice over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question:
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How do you save/store objects in SharedPreferences on Android?
I need to get user objects in many places, which contain many fields. After login, I want to save/store these user objects. How can we implement this kind of scenario?
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Is the pImpl idiom really used in practice?
... in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementations in a better manner).
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How to create Gmail filter searching for text only at start of subject line?
We receive regular automated build messages from Jenkins build servers at work.
3 Answers
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How to set JVM parameters for Junit Unit Tests?
I have some Junit unit tests that require a large amount of heap-space to run - i.e. 1G. (They test memory-intensive functionality for a webstart app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical sugges...
Incrementing in C++ - When to use x++ or ++x?
...earned about the incrementation a while ago.
I know that you can use "++x" to make the incrementation before and "x++" to do it after.
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