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Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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Simplest way to detect a mobile device in PHP
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answered Jan 30 '17 at 20:05
user3126867user3126867
42044 silver badges66 bronze badges
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How to convert a table to a data frame
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as.data.frame.matrix(table(x)) gives me Error in seq_len(ncols) : argument must be coercible to non-negative integer, while as.data.frame(table(x)) works, where x is just a numeric vector c(1,2,...)
– PatrickT
Oct 21 '17 at...
What is the best way to remove accents (normalize) in a Python unicode string?
...ng.
"""
try:
text = unicode(text, 'utf-8')
except (TypeError, NameError): # unicode is a default on python 3
pass
text = unicodedata.normalize('NFD', text)
text = text.encode('ascii', 'ignore')
text = text.decode("utf-8")
return str(text)
def text_to_id(...
Structure padding and packing
...It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
char gap_1[3]; /* -"-: for alignment of the whole struct in an array */
} x;
Packing, on the other hand prevents ...
Reflection - get attribute name and value on property
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You will get a: Error 1775 Member 'Namespace.FieldName ' cannot be accessed with an instance reference; qualify it with a type name instead. If you need to do this, I suggest to change 'const' to 'readonly'.
– Mikael E...
How to pass a user defined argument in scrapy spider
...able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working with the CrawlSpider class
– Birla
Sep 24 '14 at 10:57
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Is bool a native C type?
...p;boolArray[123]).
– Dai
Apr 5 at 0:05
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What is the difference between LR, SLR, and LALR parsers?
...h it, and that count is needed for the L(AL)R versions in practice anyway.
ERROR: If neither SHIFT nor REDUCE is possible, a syntax error is declared.
So, if they all the use the same machinery, what's the point?
The purported value in SLR is its simplicity in implementation; you don't have to sc...
预编译头文件来自编译器的早期版本，或者预编译头为 C++ 而在 C 中使用它(...
...切换为“所有配置”。
在“配置属性”---“连接器”---“常规”的“附件库目录”填上库所在的目录名，这个目录名最好是在工程文件夹中建一个专门放lib的文件夹。
C++ 编译器 版本