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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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Ways to save enums in database
...al programming detail (enumeration name, enumeration value) with a display setting meant for users:
SELECT Cards.Suit
FROM Cards
INNER JOIN Suits ON Cards.Suit = Suits.Suit
ORDER BY Suits.Rank,
Card.Rank*Suits.CardOrder
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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...
How to list the size of each file and directory and sort by descending size in Bash?
I found that there is no easy to get way the size of a directory in Bash?
11 Answers
1...
Make xargs handle filenames that contain spaces
My command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this?
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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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How can I get a view's current width and height when using autolayout constraints?
... view.bounds.
How do you ask auto layout to update the layout? Call [view setNeedsLayout] if you want auto layout to update the layout on the next turn of the run loop.
However, if you want it to update the layout immediately, so you can immediately access the new bounds value later within your cu...
Array vs. Object efficiency in JavaScript
...nds on the data and size of the data you are working with. Very small data sets and small objects will perform much better with arrays. If your talking about lookup's in a large data set where you use a object as a map then a object is more efficient. jsperf.com/array-vs-object-performance/35
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How to count the number of set bits in a 32-bit integer?
...nguage (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i = (i & 0x33333333) + ((i >> 2) & 0x3333...
Psql list all tables
...-in way to say "all tables in all user-defined schemas"; you can, however, set your search_path to a list of all schemas of interest before running \dt.
You may want to do this programmatically, in which case psql backslash-commands won't do the job. This is where the INFORMATION_SCHEMA comes to th...