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How to merge lists into a list of tuples?
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8 Answers
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...存储架构（主从模式）
http://blog.chinaunix.net/uid-25266990-id-3803277.html
DRBD使用gfs2,cman实现双主分布式文件存储方案
http://blog.sae.sina.com.cn/archives/3609
2.1搭建实验环境了
所需要的软件
REHL 6.4
drbd-8.4.6.tar.gz
drbd-utils-8.9.3.ta...
Clean ways to write multiple 'for' loops
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281
The first thing is that you don't use such a data structure. If
you need a three dimensional m...
Selecting with complex criteria from pandas.DataFrame
...>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 ...
Memoization in Haskell?
...fficiently the following function in Haskell, for large numbers (n > 108)
8 Answers
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...(x & 0x0f0f0f0f) << 4));
x = (((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8));
return((x >> 16) | (x << 16));
}
From the famous Bit Twiddling Hacks page:
Fastest (lookup table):
static const unsigned char BitReverseTable256[] =
{
0x00, 0x8...
How to concatenate strings with padding in sqlite
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387
The || operator is "concatenate" - it joins together the two strings of
its operands.
Fr...
Python and pip, list all versions of a package that's available?
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uint8_t vs unsigned char
What is the advantage of using uint8_t over unsigned char in C?
8 Answers
8
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...readlines()]
to explicitly decode the strs to unicode (here assuming UTF-8):
job_titles = [line.decode('utf-8').strip() for line in title_file.readlines()]
It could also be solved by importing the codecs module and using codecs.open rather than the built-in open.
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