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How to test multiple variables against a value?
... x, y and z could change, so either solution needs to build a tuple or set from scratch, and I suspect whatever lookup savings you might get when checking for membership would be swamped by greater set creation time.
– ShadowRanger
Sep 4 '16 at 0:37
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
...eason for the error being that Python is trying to automatically decode it from the default encoding, ASCII, so that it can then encode it as he specified, to UTF-8. Since the data isn't valid ASCII, it doesn't work.
– agf
May 2 '12 at 0:26
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How to set the font style to bold, italic and underlined in an Android TextView?
...le
Mind you that to use the mentioned bolditalic you need to, and I quote from that page
Must be one or more (separated by '|') of the following constant values.
so you'd use bold|italic
You could check this question for underline: Can I underline text in an android layout?
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np.mean() vs np.average() in Python NumPy?
...n some cases. I have a very large single-precision array that is accessed from an h5 file. If I take the mean along axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) ...
D3.js: what is 'g' in .append(“g”) D3.js code?
...
I came here from a d3 learning curve as well. As already pointed out this is not specific to d3, it is specific to svg attributes. Here is a really good tutorial explaining the advantages of svg:g (grouping).
It is not that different f...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...ec 29 20:12:02.953 [rsStart] replSet can't get local.system.replset config from self or any seed (EMPTYCONFIG)
Sun Dec 29 20:12:02.953 [rsStart] replSet info you may need to run replSetInitiate -- rs.initiate() in the shell -- if that is not already done
5、初始化副本集
在三台机器...
How to convert an Int to a String of a given length with leading zeros to align?
...retty good (as in excellent) number formatting support which is accessible from StringOps enriched String class:
scala> "%07d".format(123)
res5: String = 0000123
scala> "%07d".formatLocal(java.util.Locale.US, 123)
res6: String = 0000123
Edit post Scala 2.10: as suggested by fommil, from 2....
Unexpected results when working with very big integers on interpreted languages
...ith enough bits to give an exact answer. Never touched PHP or Node.js, but from the results I suspect the math is done using floating point numbers and should be thus expected not to be exact for numbers of this magnitude.
s...
Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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