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How to check whether a given string is valid JSON in Java
... MByDMByD
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Expert R users, what's in your .Rprofile? [closed]
... with the coloring but I get that from ESS and Emacs...
options("width"=160) # wide display with multiple monitors
options("digits.secs"=3) # show sub-second time stamps
r <- getOption("repos") # hard code the US repo for CRAN
r["CRAN"] <- "http://cran.u...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
We have a Git repository with over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these confl...
How to get the index of an element in an IEnumerable?
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answered Aug 17 '09 at 21:48
Scott DormanScott Dorman
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onclick() and onblur() ordering issue
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edited Sep 18 '19 at 14:40
Aliaksandr Sushkevich
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Maximum filename length in NTFS (Windows XP and Windows Vista)?
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290
Individual components of a filename (i.e. each subdirectory along the path, and the final filena...
Django Admin - change header 'Django administration' text
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Update: If you are using Django 1.7+, see the answer below.
Original answer from 2011:
You ne...
Create numpy matrix filled with NaNs
...s posted by Blaenk:
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a.fill(np.nan)"
10000 loops, best of 3: 54.3 usec per loop
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a[:] = np.nan"
10000 loops, best of 3: 88.8 usec per loop
The timings show a preferen...
TimeSpan ToString format
...rious, is there a format string I can use to output something like "5h 3m 30s"?
7 Answers
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