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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
Boost.Asio的简单使用(Timer,Thread,Io_service类)2. 同步Timer本章介绍asio如何在定时器上进行阻塞等待(blocking wait).实现,我们包含必要的头文件.所有的asio类可以简单的通过include "...目录：
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成...
Can HTML be embedded inside PHP “if” statement?
...st, but I really hate that there is only one answer here that suggests not mixing html and php. Instead of mixing content one should use template systems, or create a basic template system themselves.
In the php
<?php
$var1 = 'Alice'; $var2 = 'apples'; $var3 = 'lunch'; $var4 = 'Bob';
if (...
case-insensitive list sorting, without lowercasing the result?
... strings, since they both have a lower method.
In Python 2 it works for a mix of normal and unicode strings, since values of the two types can be compared with each other. Python 3 doesn't work like that, though: you can't compare a byte string and a unicode string, so in Python 3 you should do the...
org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
...strategy but you have to be consistent within a class hierarchy, you can't mix the strategies, at least not in JPA 1.0. JPA 2.0 makes it possible to mix strategies though, but you'd need extra annotations (and thus more complexity). So the recommendation is to pick one strategy and to stick to it in...
Max length for client ip address [duplicate]
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I would avoid mixing IPv4 and IPv6 in the same filed of a database for "a while." IPv4 is still the default standard, and will continue to be used for years to come. In legacy applications I have worked with, when it became necessary t...
Check if a value is in an array (C#)
... question is about arrays of strings. The mentioned routines are not to be mixed with the .Contains method of single strings.
I would like to add an extending answer referring to different C# versions and because of two reasons:
The accepted answer requires Linq which is perfectly idiomatic C# whil...
How can I find non-ASCII characters in MySQL?
... that don't have any ascii characters at all, so it will miss those with a mix of ascii and non-ascii characters. The answer below from zende checks for one or more non-ascii characters. This helped me for the most part SELECT * FROM tbl WHERE colname NOT REGEXP '^[A-Za-z0-9\.,@&\(\) \-]*$';
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Reverting to a specific commit based on commit id with Git? [duplicate]
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@prosseek the default is actually mixed. --mixed Resets the index but not the working tree (i.e., the changed files are preserved but not marked for commit) and reports what has not been updated. This is the default action. See kernel.org/pub/software/scm/g...
What new capabilities do user-defined literals add to C++?
...et you down.
The date example?
Your error, it seems to me, is that you are mixing operators:
1974/01/06AD
^ ^ ^
This can't be avoided, because / being an operator, the compiler must interpret it. And, AFAIK, it is a good thing.
To find a solution for your problem, I would write the literal in...
Using PHP with Socket.io
Is it possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code?
...