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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...产数据2亿多条导入测试 先建集合,创建3个索引,包括_id共4个索引。 TokuMX 5个多小时导完数据,官方MongoDB 2.2.4版本竟然花了2天2夜多,近58个小时 使用mongostat统计,每分钟取值一个,纵坐标为inserts/s,横坐标为分钟。 ...
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Xenocode Postbuild 2010 for .NET 混淆工具的详细使用步骤 - 更多技术 - ...

...经被破解了,而且有序列号http: www.tsingfun.com html 2016 soft_0526...1,首先我们需要去下载这个工具,这里有一个下载的网址,已经被破解了,而且有序列号 https://www.tsingfun.com/down/soft/72.html 下载到本地---解压:如下 ...
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PHP连接MySQL报错:Fatal error: Call to undefined function mysql_connec...

PHP连接MySQL报错:Fatal error: Call to undefined function mysql_connect()之解决方法【问题描述】PHP测试连接MySQL的程序如下:<?php$host='localhost';$user_name='root';$password='mysql';$conn=m...【问题描述】 PHP测试连接MySQL的程序如下: <?php $host='localh...
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Linux平台编译curl:checking run-time libs availability... failed - 更...

...在/usr/local/lib目录下,其他的在/usr/lib64), export LD_LIBRARY_PATH=/usr/local/lib:/usr/lib64:$LD_LIBRARY_PATH 再次configure,成功!显示各个模块的支持情况如下 curl version: 7.37.1 Host setup: x86_64-unknown-linux-gnu Install prefix: /usr/lo...
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PHP连接MySQL报错:Fatal error: Call to undefined function mysql_connec...

... PHP测试连接MySQL的程序如下: &lt;?php $host='localhost'; $user_name='root'; $password='mysql'; $conn=mysql_connect($host,$user_name,$password); if (!$conn) { &nbsp; &nbsp; die('数据库连接失败:'.mysql_error()); } echo '数据库连接成功!'; if (mysql_close($conn)) { &nbsp;...
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server { # 我们都知道(我们都应该知道),443是 https 的默认端口 list...

...p; &nbsp; &nbsp; &nbsp; listen 443 ssl; &nbsp; &nbsp; &nbsp; &nbsp; server_name www.your-domain.com; &nbsp; &nbsp; &nbsp; &nbsp; # 你要有证书,才能 https,免费申请一个吧,七牛云,阿里云都有免费一年的证书 &nbsp; &nbsp; &nbsp; &nbsp; ssl_certificate /home/ssl_certif...
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您好,如果我想设置如果到某个时间就显示文字,怎么做 - App Inventor 2 中...

...:37,当这个文本是你想要的时间点时,就做那要做的事{:8_368:}获取当前时间和格式化,参考:https://bbs.tsingfun.com/thread-1534-1-1.html引用: App Inventor 2&nbsp;&nbsp;发表于 2024-03-22 19:09 获取当前时间和格式化,参考:https://bbs.tsingfun.com/for...
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How do I build a numpy array from a generator?

... lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists. Keeping this in mind, it is techni...
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Python ValueError: too many values to unpack [duplicate]

... for k, m in self.materials.items(): example: miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9} for k, v in miles_dict.items(): print("%s: %s" % (k, v)) share | ...
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Make a negative number positive

... Note the edge cases, e.g. Math.abs(Integer.MIN_VALUE) = Integer.MIN_VALUE. – Zach Scrivena Jan 30 '09 at 0:24 ...