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How can I generate a unique ID in Python? [duplicate]
... = str(t)+' '+str(r)+' '+str(a)+' '+str(args)
data = hashlib.md5(data).hexdigest()
return data
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...y-on-write来同步。
最后再说说图中的Client部分。显然这个模块就是面向Web的接口，后面连接我们的“山推”系统，它可以包含诸多业务逻辑，最重要的，是要缓存group的信息。在Client和Web之间，还可以有诸如Nginx之类的反向代理...
Text editor to open big (giant, huge, large) text files [closed]
...barely 500 KB, but it still supports searching (with regexes), printing, a hex editor mode, and settings.
loxx (Windows) – Supports file following, highlighting, line numbers, huge files, regex, multiple files and views, and much more. The free version can not: process regex, filter files, synchro...
UUID max character length
... formal definition of UUID string representations. It's 36 characters (32 hex digits + 4 dashes).
Sounds like you need to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and 2) what the max length of those IDs might be based on whatever API is use...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...illStyle = "rgba(255, 255, 255, 0.5)"; does not work. The value must be in hex.
– WebWanderer
Feb 2 '15 at 18:27
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Facebook Android Generate Key Hash
...ter you get the required SHA1 Key
Then goto
http://tomeko.net/online_tools/hex_to_base64.php
and paste your sha1 key
and finally you will get Required HashKey which you can use it to apply on facebook.
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Getting a map() to return a list in Python 3.x
I'm trying to map a list into hex, and then use the list elsewhere. In python 2.6, this was easy:
9 Answers
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How to make MySQL handle UTF-8 properly
...ET utf8mb4 on all tables/columns -- except columns that are strictly ascii/hex/country_code/zip_code/etc.
<meta charset charset=UTF-8> if you are outputting to HTML. (Yes the spelling is different here.)
More info ;
UTF8 all the way
The above links provide the "detailed canonical answer is...
Is there any difference between a GUID and a UUID?
...rences. Specifically, some Microsoft GUID docs allow GUIDs to contain any hex digit in any position, while RFC4122 requires certain values for the version and variant fields. Also, [per that same link], GUIDs should be all-upper case, whereas UUIDs should be "output as lower case characters and ar...
(Built-in) way in JavaScript to check if a string is a valid number
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This fails on hexadecimal numbers (0x12, for example), floats without a leading zero (.42, for example) and negative numbers.
– Ori
Apr 18 '12 at 1:25
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