大约有 43,000 项符合查询结果（耗时：0.0320秒） [XML]
一张图告诉你是需要 SQL 还是 Hadoop - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...时候用 SQL，什么时候用 Hadoop，它们之间如何取舍？Aaron Cordova 用一张图来回答你这个问题，对于不同的数据场景，如何选取正确的数据存储处理工具进行了详细描述。Aaron Cordova 是美国大数据分析及架构专家，Koverse CTO及联合创...
HTTPKeepAlive，开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...eads request header
Writing: nginx reads request body, processes request, or writes response to a client
Waiting: keep-alive connections, actually it is active – (reading + writing)
实际复用HTTP连接的效果如何呢：
67713042963 / 66542336512 = 1.01 requests per connection
...
TortoiseSVN允许修改日志的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
TortoiseSVN允许修改日志的方法SVN默认是不允许修改日志的，否则报错：可以通过服务端的hooks目录下的批处理使得SVN日志可修改。Windows版：服务器端svn仓库hooks目录下加...SVN默认是不允许修改日志的，否则报错：
可以通过服务...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkconfig iptables off
关闭SELinux的方法...
date(): It is not safe to rely on the system\'s timezone settings.解决...
...m's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please...
NSIS做的安装程序，可接受命令行参数，实现静默安装，静默卸载 - 更多技术 ...
...cept a few options on the command line. These options give the user a bit more control over the installation process.
3.2.1 Common Options
/NCRC disables the CRC check, unless CRCCheck force was used in the script.
/S runs the installer or uninstaller silently. See section 4.12 for more informa...
防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
...对上传目录设置无权限的列子,配置如下:代码如下:<Directory " var www upload"><FilesMatch " PHP">Order Allow,DenyDe 我们来看俩段通常对上传目录设置无权限的列子,配置如下:
代码如下:
<Directory "/var/www/upload">
<FilesMatch ".PHP">
Order Allow,...
【解决】如何查看 xunsearch 版本，验证是否升级成功？ - 更多技术 - 清泛...
...ndex Submit Server
Copyright (C)2007-2011 hightman, HangZhou YunSheng Network Co., Ltd.
Usage: xs-indexd [options]
-F Run the server on foreground (non-daemon)
-H Specify the working directory
Default: /usr/local/xunsearch
-L Larger the value...
MFC日历控件完全自绘MyCalendar Control - 源码下载 - 清泛网 - 专注C/C++及内核技术
... be easy to use in different types of applications. It represents dates according Gregorian calendar rules. Also supports Easter date calculation for Julian and Gregorian calendars and Gregorian representation of this calculation. Covers period from year 1582 (when Gregorian calendar was established...
Linux iptables防火墙开放mysql、apache的端口 - 操作系统(内核) - 清泛网 ...
...[root@iZ23rlmiwviZ ~] cat etc sysconfig iptables sample configuration for iptables service vi /etc/sysconfig/iptables 修改配置，添加两条tcp端口允许的记录：
[root@iZ23rlmiwviZ ~]# cat /etc/sysconfig/iptables
# sample configuration for iptables service
# you can edit this ma...