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How to compare times in Python?
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You might want to flip the acceptance to Pär Wieslander's answer (and generally should wait a few more minutes than you did :P), as it's a bit more specific to exactly what you asked.
– Roger Pate
Dec 2 '09 at 8:40
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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...时处理，那么很容易就崩溃了，此时可以使用一个队列来保存待处理的登录用户，如此一来顶多是反应慢点，但不会崩溃。
Redis的LIST数据类型可以很自然的创建一个队列，代码如下：
<?php
$redis = new Redis;
$redis->connect('/tmp/re...
Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
I have an HTML string representing an element: '<li>text</li>' . I'd like to append it to an element in the DOM (a ul in my case). How can I do this with Prototype or with DOM methods?
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How do you reverse a string in place in C or C++?
...font for it, nor the patience to use a hexeditor)
Examples:
$ ./strrev Räksmörgås ░▒▓○◔◑◕●
░▒▓○◔◑◕● ●◕◑◔○▓▒░
Räksmörgås sågrömskäR
./strrev verrts/.
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Is it possible to use a div as content for Twitter's Popover
... answered Jan 18 '12 at 10:55
jävijävi
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How do I request a file but not save it with Wget? [closed]
...an 24 '19 at 20:53
Salathiel Genèse
1,2731717 silver badges2424 bronze badges
answered Mar 13 '12 at 20:21
Ma...
How is mime type of an uploaded file determined by browser?
...70 (kPrimaryMappings and kSecondaryMappings).
An example: when uploading a CSV file from a Windows system with Microsoft Excel installed, Chrome will report this as application/vnd.ms-excel. This is because .csv is not specified in the first hard-coded list, so the browser falls back to the system r...
How to do what head, tail, more, less, sed do in Powershell? [closed]
... Holy cow, this is maxing out my CPU to do a -last 2 on a 1GB CSV. Hot beverage: ☕
– mlissner
Feb 19 '13 at 19:28
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How to remove Left property when position: absolute?
I'm overriding the site CSS to an RTL version when specific language is chosen.
3 Answers
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Lazy Method for Reading Big File in Python?
..., you can to use the file object itself as lazy generator:
with open('big.csv') as f:
for line in f:
process(line)
However, I once ran into a very very big (almost) single line file, where the row separator was in fact not '\n' but '|'.
Reading line by line was not an option, but I ...