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Creating an empty Pandas DataFrame, then filling it?

...utocompletion), but that works with strings as date format, right? The overall approach works though (I changed index to something else). – Matthias Kauer Dec 15 '12 at 8:42 ...
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Should I use the datetime or timestamp data type in MySQL?

... Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field. If you meant that you want to decide between using a UNIX ...
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Multiple returns from a function

... Technically, you can't return more than one value. However, there are multiple ways to work around that limitation. The way that acts most like returning multiple values, is with the list keyword: function getXYZ() { return arr...
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Run git pull over all subdirectories [duplicate]

...t cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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Storing SHA1 hash values in MySQL

...INARY(20) and CHAR(40). CREATE TABLE `binary` ( `id` int unsigned auto_increment primary key, `password` binary(20) not null ); CREATE TABLE `char` ( `id` int unsigned auto_increment primary key, `password` char(40) not null ); With million of records binary(20) takes 44.56M, whil...
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Executing injected by innerHTML after AJAX call

There's a div called "Content": 11 Answers 11 ...
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curl: (60) SSL certificate problem: unable to get local issuer certificate

... Actually I struggled for an hour as I did not write path inside quotes. So please take a note here curl.cainfo="/path/to/downloaded/cacert.pem" // Do not forget to write between quotes – Himanshu Upadhyay ...
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WiX tricks and tips

...include file. Enables re-use, variables are faster to find and (if needed) allows for easier manipulation by an external tool. Define Platform variables for x86 and x64 builds <!-- Product name as you want it to appear in Add/Remove Programs--> <?if $(var.Platform) = x64 ?> <?defin...
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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...参数的设置 log 127.0.0.1 local0 info # log语法:log <address_1>[max_level_1] # 全局的日志配置,使用log关键字,指定使用127.0.0.1上的syslog服务中的local0日志设备,记录日志等级为info的日志 user haproxy group haproxy # 设置运行hapro...
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MySQL OPTIMIZE all tables?

...ZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself? ...