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What are the differences between concepts and template constraints?
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community wiki
10 revssftrabbit
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Fastest way to check if a file exist using standard C++/C++11/C?
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Scala: Abstract types vs generics
...with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the end)
(Here is the relevant...
Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g fl...
JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
...Thread类、实现java.lang.Runnable接口。
先看个例子，假设有100个数据需要分发并且计算。看下单线程的处理速度：package thread;
import java.util.Vector;
public class OneMain {
public static void main(String[] args) throws InterruptedExc...
How can I record a Video in my Android App.?
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How to retrieve the first word of the output of a command in bash?
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201
Awk is a good option if you have to deal with trailing whitespace because it'll take care of it...
Deleting an object in java?
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answered Apr 22 '11 at 16:30
MByDMByD
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ls command: how can I get a recursive full-path listing, one line per file?
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390
If you really want to use ls, then format its output using awk:
ls -R /path | awk '
/:$/&&a...