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How to free memory in Java?
...s by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call System.gc() to suggest that the garbage collector run immediately. However, the Java Runtime makes the final decision, not your code.
According to the Java documenta...
How default .equals and .hashCode will work for my classes?
... a good explanation.
For more information, see Effective Java, Chapter 3 (pdf), item 8.
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...scribed in @Chris J's answer, here is what worked for me
find . -name one.pdf -o -name two.txt -o -name anotherone.jpg
-o or -or is logical OR. See Finding Files on Gnu.org for more information.
I was running this on CygWin.
...
Why use iterators instead of array indices?
...or. See Page 43: ecn.channel9.msdn.com/events/GoingNative12/GN12Cpp11Style.pdf In my experience, I've found a std::vector is faster than a std::list even if I am searching over all of it and removing elements at arbitrary positions.
– David Stone
Apr 17 '12 at ...
Parse email content from quoted reply
... what, if you're interested in the threading process, check out this great PDF on reassembling email threads.
When you don't have the thread:
If you are stuck with only one message from the thread, you're doing to have to try to guess what the quote is. In that case, here are the different quotat...
How to clone a case class instance and change just one field in Scala?
...nd it in the Scala specification: scala-lang.org/docu/files/ScalaReference.pdf §5.3.2. It's not in the API because it's not a part of the API ;)
– Nicolas
Aug 30 '11 at 20:44
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Relative URLs in WordPress
..., it will insert relative paths e.g. '/wp-content/uploads/2020/06/document.pdf'.
I'm not sure if it makes all links relative, e.g. to posts, but at least it handles media, which probably is what most people are worried about.
...
round() for float in C++
...according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(-0.5)...
What algorithms compute directions from point A to point B on a map?
...roven for correctness:
http://algo2.iti.uka.de/schultes/hwy/schultes_diss.pdf
Here's a google tech talk on the subject:
http://www.youtube.com/watch?v=-0ErpE8tQbw
Here's a implementation of the highway-hierarchies algorithm as discussed by schultes (currently in berlin only, I'm writing the inte...
Why is MATLAB so fast in matrix multiplication?
...erx.ist.psu.edu/viewdoc/download?doi=10.1.1.140.1785&rep=rep1&type=pdf
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