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Order data frame rows according to vector with specific order
...the *_join functions in dplyr are really nice. End up using these a lot by now as well
– Rappster
Jun 24 '16 at 9:21
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Why does changing the returned variable in a finally block not change the return value?
...u assigned a new stringbuffer to s, then the behavior would be the same as now.
– Ted Hopp
Apr 16 '13 at 7:21
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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...nough to advertise that users can override the dependency, as it's a well-known pattern, but I'll grant that overloaded constructors are marginally more 'in your face' :)
– Mark Seemann
Jul 20 '11 at 7:21
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How to check if an element is in an array
...rch through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ?
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How to convert IPython notebooks to PDF and HTML?
...eX (.pdf). Otherwise follow these two steps.
For HTML output, you should now use Jupyter in place of IPython and select File -> Download as -> HTML (.html) or run the following command:
jupyter nbconvert --to html notebook.ipynb
This will convert the Jupyter document file notebook.ipyn...
jquery-ui sortable | How to get it work on iPad/touchdevices?
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Found a solution (only tested with iPad until now!)!
http://touchpunch.furf.com/content.php?/sortable/default-functionality
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Intro to GPU programming [closed]
...e for, among other things, GPUs. It allows one to write the code without knowing what GPU it will run on, thereby making it easier to use some of the GPU's power without targeting several types of GPU specifically. I suspect it's not as performant as native GPU code (or as native as the GPU manufa...
How to encode the filename parameter of Content-Disposition header in HTTP?
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I know this is an old post but it is still very relevant. I have found that modern browsers support rfc5987, which allows utf-8 encoding, percentage encoded (url-encoded). Then Naïve file.txt becomes:
Content-Disposition: atta...
Can I use git diff on untracked files?
...ob to the index at that location. The upshot is that your "untracked" file now becomes a modification to add all the content to this zero-length file, and that shows up in the "git diff" output.
git diff
echo "this is a new file" > new.txt
git diff
git add -N new.txt
git diff
diff --git a/new....
FormData.append(“key”, “value”) is not working
...ve years later: In some newer browsers, this is no longer true and you can now see the data provided to FormData in addition to just stuffing data into it. See the accepted answer for more info.
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