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What encoding/code page is cmd.exe using?
...out?
Here’s a test file containing Unicode characters:
ASCII abcde xyz
German äöü ÄÖÜ ß
Polish ąęźżńł
Russian абвгдеж эюя
CJK 你好
Here’s a Java program to print out the test file in a bunch of different
Unicode encodings. It could be in any program...
Finding quaternion representing the rotation from one vector to another
...
Quaternion q;
vector a = crossproduct(v1, v2);
q.xyz = a;
q.w = sqrt((v1.Length ^ 2) * (v2.Length ^ 2)) + dotproduct(v1, v2);
Don't forget to normalize q.
Richard is right about there not being a unique rotation, but the above should give the "shortest arc," which is pro...
How to construct a relative path in Java from two absolute paths (or URLs)?
...ich does all the necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath();
// relative == "stuff/xyz.dat"
Please note that for file path there's java.nio.file.Path#relativize...
Single Sign On across multiple domains [closed]
...lients can be in different top level domains. Eg. client1.abc.com, client2.xyz.com, login.mydomain.com
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Error renaming a column in MySQL
How do I rename a column in table xyz ? The columns are:
9 Answers
9
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为何谷歌不可复制？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...很多人还是以为谷歌只是一家互联网产品公司——它拥有搜索、浏览器、邮箱产品以及移动操作系统安卓……
但在所谓新「谷歌」Alphabet的架构下，谷歌向世人展示了自己的“另一面”，比如研究延长人类寿命的子公司Calico、...
Multiple inputs with same name through POST in php
...
Change the names of your inputs:
<input name="xyz[]" value="Lorem" />
<input name="xyz[]" value="ipsum" />
<input name="xyz[]" value="dolor" />
<input name="xyz[]" value="sit" />
<input name="xyz[]" value="amet" />
Then:
$_POST['xyz'][0] ==...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...
You can do it in this way
// xyz.h
#ifndef _XYZ_
#define _XYZ_
template <typename XYZTYPE>
class XYZ {
//Class members declaration
};
#include "xyz.cpp"
#endif
//xyz.cpp
#ifdef _XYZ_
//Class definition goes here
#endif
This has been discuss...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...映射关系的最佳实现方式和最有效的索引结构，广泛用在搜索领域。
Bitmap是一种非常简洁快速的数据结构，他能同时使存储空间和速度最优化（而不必空间换时间），适合于海量数据的的计算场景。
2. 并行与分布式计算
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Why can outer Java classes access inner class private members?
... inner class will be compiled to a separate class in the same package (ABC$XYZ). The JVM does not support this level of isolation directly, so that at the bytecode-level ABC$XYZ will have package-protected methods that the outer class uses to get to the private methods/fields.
...