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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术
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第3章 在线程间共享数据… 29
3.1 线程之间共享数据的问题… 29
3.1.1 竞争条件… 31
3.1.2 避免有问题的竞争条件… 31
3.2 用互斥元保护共享数据… 32
3.2.1 使用C++中的互斥元… 32
3.2.2 用于保护共享数据的结构化代码… 33
3.2.3...
error_log per Virtual Host?
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Depending on your config, you may need to manually create the log file and set the owner/group to the same user/group that Apache is using. Apache won't warn you if it can't write to the log file.
– Ian Dunn
Jun 24 '11 at 23:41
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Can I implement an autonomous `self` member type in C++?
...question, not the answer. In many cases in software development (and especially maintenance) it is helpful to avoid redundancies in the code, so that changing something in one place does not require you to change code in another place. That's the whole point of auto and decltype or in this case of s...
Multiple Updates in MySQL
...has new records then i will end up inserting only the ids and count except all other information. if and only if there is an entry for the id then it should update else it should skip. what shall i do?
– Jayapal Chandran
Aug 30 '10 at 13:30
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互联网金融创业大赛收官 揭示创业三大风向标 - 资讯 - 清泛网 - 专注C/C++...
...年递增,租房成了大学生以及刚工作的小白领们最头疼的问题。对于他们来说,工资相对较低,房租成为每月的一笔巨额花销,使生活捉襟见肘。更何况,大多数房东为避免麻烦,通常会要求提前支付半年,甚至一年的租金,这...
How do I pass variables and data from PHP to JavaScript?
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There are actually several approaches to do this. Some require more overhead than others, and some are considered better than others.
In no particular order:
Use AJAX to get the data you need from the server.
Echo the data into the page...
How can I upload files asynchronously?
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It's FormData who does all the magic here. Be sure to check these docs — it covers all your question about multiple files and fields.
– BorisOkunskiy
Sep 12 '13 at 13:26
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Disabling Strict Standards in PHP 5.4
...to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time?
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nginx error connect to php5-fpm.sock failed (13: Permission denied)
...or /etc/php/7.0/fpm/pool.d/www.conf, depending on your version.
Uncomment all permission lines, like:
listen.owner = www-data
listen.group = www-data
listen.mode = 0660
Restart fpm - sudo service php5-fpm restart or sudo service php7.0-fpm restart
Note: if your webserver runs as user other than...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...类的实现。打印及打印预览是编写应用程序经常要解决的问题,为了理解VC++对话框程序的打印及打印预览实现,要先掌握基于文档/视图的应用程序打印及打印预览的基本原理。所以分为两部分介绍。
一、基于文档/视图的应用程...