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string sanitizer for filename

...are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe. share | ...
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How to open a new window on form submit

... No need for Javascript, you just have to add a target="_blank" attribute in your form tag. <form target="_blank" action="http://example.com" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" > ...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...(think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. 14 ...
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How to read and write INI file with Python3?

...['DEFAULT']['path'] = '/var/shared/' # update config['DEFAULT']['default_message'] = 'Hey! help me!!' # create with open('FILE.INI', 'w') as configfile: # save config.write(configfile) You can find more at the official configparser documentation. ...
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How to get the current directory in a C program?

...been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. 6...
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How can I uninstall an application using PowerShell?

... $app = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -match "Software Name" } $app.Uninstall() Edit: Rob found another way to do it with the Filter parameter: $app = Get-WmiObject -Class Win32_Product ` -Filter "N...
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Python logging: use milliseconds in time format

.... This can not be fixed by specifying a datefmt because ct is a time.struct_time and these objects do not record milliseconds. If we change the definition of ct to make it a datetime object instead of a struct_time, then (at least with modern versions of Python) we can call ct.strftime and then we...
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How to know if two arrays have the same values

... function arraysEqual(_arr1, _arr2) { if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length) return false; var arr1 = _arr1.concat().sort(); var arr2 = _arr2.concat().sort(); for (var i = 0; ...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...安装程序包 wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz 注意linux生产环境不能安装32位的mongodb,因为32位受限于操作系统最大2G的文件限制。 #解压下载的压缩包 tar xvzf mongodb-linux-x86_64-2.4.8.tgz 4、分别在...
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Arduino 101 实验05 - 光照传感器,做一个自动小夜灯 · App Inventor 2 中文网

...1 LED D5 5 固件:.ino 里把 LIGHT_SENSOR 和 LED 都设为 ENABLED,其余 DISABLED。 这一篇要同时用两个模块,是唯一需要开两项的实验。其余实验按各自篇里说的只开一项。 三、界面组件 ...