大约有 16,000 项符合查询结果（耗时：0.0239秒） [XML]
Split delimited strings in a column and insert as new rows [duplicate]
...lumns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;12010;12179;12613;12613;12975;13221;13221;13453 12227;12057;12227;12721;12697;13052;13374;14409;13670 +;+;+;+...
TDD vs. Unit testing [closed]
...t implementing TDD, but they weren't creating any Unit Tests before...then start them off by creating Unit Tests after their code is written. Even Unit tests written after the code are better than no Unit Tests at all!
Once they're proficient at Unit Testing (and everything that comes with it), the...
Evil Mode best practice? [closed]
...a huge number of things to gain, I did a lot of experimenting when I first started using evil. While the following are controversial, I wanted to keep the emacs keys that are used more universally in terminal, firefox, cocoa, etc..., but didn't want to lose the vim editing capabilities. I ended up d...
Python time measure function
...o write your own timing method strictly to learn, here is somewhere to get started using a decorator.
Python 2:
def timing(f):
def wrap(*args):
time1 = time.time()
ret = f(*args)
time2 = time.time()
print '%s function took %0.3f ms' % (f.func_name, (time2-time1)*1...
Extract a regular expression match
...hat are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1] "12"
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
...ated please see the current accepted answer
Ok, It seems the answer is to start ipython notebook with --pylab=inline.
so ipython notebook --pylab=inline
This has it do what I saw earlier and what I wanted it to do.
Sorry about the vague original question.
...
Is there a bash command which counts files?
...names with spaces, newlines, or control characters in them
file names that start with hyphens (imagine a file called -l)
hidden files, that start with a dot (if the glob was *.log instead of log*
directories that match the glob (e.g. a directory called logs that matches log*)
empty directories (i.e....
MVC4 StyleBundle not resolving images
...y. (they ended up getting checked in, deployed, then the service wouldn't start!)
So to follow the design of Bundling, I elected to perform essentially the same code, but in an IBundleTransform implementation::
class StyleRelativePathTransform
: IBundleTransform
{
public StyleRelativePath...
What is the difference between .yaml and .yml extension? [duplicate]
...erring. More likely, this resulted from the fact that three (3) characters starting with "Y" is sufficiently clear, since few extensions start with "Y."
– MarkDBlackwell
Aug 3 '16 at 22:59
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How do I write unit tests in PHP? [closed]
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I think you mentioned a great post. Starting your answer with 'Unit testing isn't very effective' almost caused me to downvote, though, being a test-adept... Possibly, rephrasing in a positive manner would encourage people to read the article.
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