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How many bytes does one Unicode character take?
...ted a lot of time on this useless list (but it's sorted!).
MySQL has a charset called "utf8" which actually does not support characters longer than 3 bytes. So you can't insert a pile of poo, the field will be silently truncated. Use "utf8mb4" instead.
There's a snowman test page (unicodesnowmanfory...
How to implement a queue with three stacks?
...ke to.
The third stack is also irrelevant. What matters is that there's a set of bounded stacks, and a set of unbounded stacks. The minimum needed for an example is 2 stacks. The number of stacks must be, of course, finite.
Lastly, if I am right that there's no proof, then there should be an easie...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...考虑下面的这么几个情况：
1）容灾：数据不丢、结点的Failover
2）数据的一致性：事务处理
3）性能：吞吐量 、 响应时间
前面说过，要解决数据不丢，只能通过数据冗余的方法，就算是数据分区，每个区也需要进行数据冗余...
What does “export” do in shell programming? [duplicate]
...me.
If a variable name is followed by =word, the value of the variable is set to word.
export returns an exit status of 0 unless an invalid option is encountered, one of the names is not a valid shell variable name, or -f is supplied with a name that is not a function.
You can also set variables a...
High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...00 word medical dictionary. I am more concern about the time complexity/performance.
2 Answers
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What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answe...
How to test if string exists in file with Bash?
I have a file that contains directory names:
13 Answers
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Python multiprocessing pool.map for multiple arguments
In the Python multiprocessing library, is there a variant of pool.map which supports multiple arguments?
19 Answers
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc
...to convert an integer into its character equivalent based on the alphabet. For example:
12 Answers
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Good ways to manage a changelog using git?
I've been using Git for a while now, and I recently started using it to tag my releases so that I could more easily keep track of changes and be able to see which version each of our clients are running (unfortunately the code currently mandates that each client have their own copy of the PHP site; ...