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Can C++ code be valid in both C++03 and C++11 but do different things?
... // #1
void f(...); // #2
template<int N> void g() {
f(0*N); // Calls #2; used to call #1
}
Rounded results after integer division and modulo
In C++03 the compiler was allowed to either round towards 0 or towards negative infinity. In C++11 it is mandatory to round towards 0
int i = (-1) ...
What is a “callable”?
...t's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
...
how to ignore namespaces with XPath
...re sometimes client-generated i.e. unknown to me. Then i am left with basically three choices :
5 Answers
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Detect URLs in text with JavaScript
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Finally a regex that really works in most obvious case! This one deserves a bookmarking. I tested thousands examples from googles search until i find this.
– Ismael
Jan 16 '15 at 15:11
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Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
....weekly
42 4 1 * * root run-parts /etc/cron.monthly
如果使用的是新版CentOS，那么配置文件为：/etc/anacrontab。
问题：如何告诉应用程序重新打开日志文件？
以Nginx为例，是通过postrotate指令发送USR1信号来通知Nginx重新打开日志文件的。但...
How can I hash a password in Java?
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You can actually use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new...
Get value of a string after last slash in JavaScript
...rn value (if (n !== -1)), but in the above since we're adding 1 to it and calling substring, we'd end up doing str.substring(0) which just returns the string.
Using Array#split
Sudhir and Tom Walters have this covered here and here, but just for completeness:
var parts = "foo/bar/test.html".split...
Find and kill a process in one line using bash and regex
...)
Details on its workings are as follows:
The ps gives you the list of all the processes.
The grep filters that based on your search string, [p] is a trick to stop you picking up the actual grep process itself.
The awk just gives you the second field of each line, which is the PID.
The $(x) cons...
【解决】Win10/Win11家庭版不支持远程桌面？如何开启远程桌面？ - 操作系统...
【解决】Win10/Win11家庭版不支持远程桌面？如何开启远程桌面？一、Win10家庭版是不支持远程桌面的。本人使用的电脑自带的是正版的win10家庭版，因为工作需要，需要使用到远程桌面，但是又不想重装系统，经过寻找发现可以借...
机房版介绍 - App Inventor 2 机房版 - 清泛IT社区，为创新赋能！
总体原则：
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1、管理功能
右下角 班级管理菜单可以收起：
账号管理：
作业管理：
使用报告：
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