大约有 13,916 项符合查询结果（耗时：0.0260秒） [XML]
git push says “everything up-to-date” even though I have local changes
...commit that is not at the tip of one of your branches.
The most obvious example is to check out the commit at a tagged official release point, like this:
$ git checkout v2.6.18
Earlier versions of git did not allow this and asked you to create a temporary branch using the -b option, but sta...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
...t; import numpy as np
>>> np.show_config()
lapack_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_args = ['-msse3']
define_macros = [('NO_ATLAS_INFO', 3)]
blas_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...olumns would need to be updated to the new values if a unique key already existed. It goes something like this:
2 Answers
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What is Haskell used for in the real world? [closed]
...ations. What are the most popular projects / usages of Haskell and why it excels at solving these problems?
10 Answers
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How to get and set the current web page scroll position?
...n in the html of the refreshed page I use <body onLoad="window.scrollTo(x,y), where x and y are those from the hidden values values!
– xyz
Nov 4 '10 at 14:32
...
Decorators with parameters?
...
The syntax for decorators with arguments is a bit different - the decorator with arguments should return a function that will take a function and return another function. So it should really return a normal decorator. A bit confusing,...
Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
I've seen mixed versions of this in a lot of code. (This applies to C and C++, by the way.) People seem to declare pointers in one of two ways, and I have no idea which one is correct, of if it even matters.
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How to find the installed pandas version
...---------------
commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-45-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmodels: 0....
What's a good way to extend Error in JavaScript?
... Error
You could sniff the stack, unshift unwanted elements from it and extract information like fileName and lineNumber, but doing so requires information about the platform JavaScript is currently running upon. Most cases that is unnecessary -- and you can do it in post-mortem if you really want...
Pandas get topmost n records within each group
...IT: As mentioned by the questioner, use df.groupby('id').head(2).reset_index(drop=True) to remove the multindex and flatten the results.
>>> df.groupby('id').head(2).reset_index(drop=True)
id value
0 1 1
1 1 2
2 2 1
3 2 2
4 3 1
5 4 1
...