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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...ksort has two beautiful aspects:
Divide and conquer: break the problem into two smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!
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Python: Why is functools.partial necessary?
Partial application is cool. What functionality does functools.partial offer that you can't get through lambdas?
6 Answer...
Maximum concurrent Socket.IO connections
... the same question, so I ended up writing a small test (using XHR-polling) to see when the connections started to fail (or fall behind). I found (in my case) that the sockets started acting up at around 1400-1800 concurrent connections.
This is a short gist I made, similar to the test I used: https...
How can I show line numbers in Eclipse?
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Window → Preferences → General → Editors → Text Editors → Show line numbers.
Edit: I wrote this long ago but as @ArtOfWarfar and @voidstate mentioned you can now simply:
Right click the gutter and select "Show Line Numbers":
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Javascript set img src
...imes over the course of a dynamically generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
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Unix - create path of folders and file
I know you can do mkdir to create a directory and touch to create a file, but is there no way to do both operations in one go?
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Set encoding and fileencoding to utf-8 in Vim
...ated by @Dennis, you can set them both in your ~/.vimrc if you always want to work in utf-8.
More details
From the wiki of VIM about working with unicode
"encoding sets how vim shall represent characters internally. Utf-8 is necessary for most flavors of Unicode."
"fileencoding sets the encoding...
Chrome can't load web worker
... even with a relative URL, is the same as loading a file with the file: protocol. -- and it's not cool for web pages to be able to just access your file system on a whim.
– ChaseMoskal
Jul 20 '14 at 22:59
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How do I interpret precision and scale of a number in a database?
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Numeric precision refers to the maximum number of digits that are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed valu...
Automatically resize jQuery UI dialog to the width of the content loaded by ajax
... this. I've got a number of jQuery UI dialogs in my application attached to divs that are loaded with .ajax() calls. They all use the same setup call:
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