大约有 40,000 项符合查询结果（耗时：0.0655秒） [XML]
Should I use past or present tense in git commit messages? [closed]
...
The preference for present-tense, imperative-style commit messages comes from Git itself. From Documentation/SubmittingPatches in the Git repo:
Describe your changes in imperative mood, e.g. "make xyzzy do frotz"
instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy
to do fr...
Custom Python list sorting
... functools cmp_to_key to have old-style comparison functions work though.
from functools import cmp_to_key
def cmp_items(a, b):
if a.foo > b.foo:
return 1
elif a.foo == b.foo:
return 0
else:
return -1
cmp_items_py3 = cmp_to_key(cmp_items)
alist.sort(cmp_ite...
rgdal package installation
...on CRAN, you will see the following :
SystemRequirements: for building from source: GDAL >= 1.7.1 library
from http://trac.osgeo.org/gdal/wiki/DownloadSource and PROJ.4 (proj >= 4.4.9) from http://trac.osgeo.org/proj/; GDAL OSX frameworks built by William Kyngesburye at http://www.kyngch...
Why does Date.parse give incorrect results?
...the "Z" specifier indicates that the input is in UTC time so is not offset from the epoch and the result is 0
In the second case, the "-0500" specifier indicates that the input is in GMT-05:00 and both browsers interpret the input as being in the -05:00 timezone. That means that the UTC value is off...
Android map v2 zoom to show all the markers
... and keep all markers in view? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible.
...
Drop rows with all zeros in pandas data frame
...his question about once a month and always have to dig out the best answer from the comments:
df.loc[(df!=0).any(1)]
Thanks Dan Allan!
share
|
improve this answer
|
follow...
Windows batch file file download from a URL
I am trying to download a file from a website (ex. http://www.example.com/package.zip ) using a Windows batch file. I am getting an error code when I write the function below:
...
Include all existing fields and add new fields to document
...reason, why, because aggregation is mostly created to group/calculate data from collection fields (sum, avg, etc.) and return all the collection's fields is not direct purpose.
share
|
improve this ...
Is there an R function for finding the index of an element in a vector?
...s between the examples. match(c(2,3,3), c(1:4)) returns different results from which(c(2,3,3) %in% c(1:4)) without needing a longer first vector and as many changes from example to example. It's also worth noting that they handle non-matches very differently.
– John
...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...ion, this functionality has been added to pandas in the meantime. Starting from pandas 0.15.0, you can use tz_localize(None) to remove the timezone resulting in local time.
See the whatsnew entry: http://pandas.pydata.org/pandas-docs/stable/whatsnew.html#timezone-handling-improvements
So with my ex...