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What is the fastest way to get the value of π?
...t π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of formulae.
Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses this formula with the FFT. I'll just write the formula, since the co...
In javascript, is an empty string always false as a boolean?
...from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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How to unset a JavaScript variable?
...ator
http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf
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GraphViz - How to connect subgraphs?
...e link to the manual with the example: graphviz.org/Documentation/dotguide.pdf (page 30).
– Kirill Bulygin
Apr 30 '17 at 15:59
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Webrick as production server vs. Thin or Unicorn?
... your site does something that takes time, e.g. sends e-mails or generates PDF files, you should make WEBrick multi-threaded. You want to handle multiple requests at a time.
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Are Databases and Functional Programming at odds?
...(temporarily?), but I found the paper also at shaffner.us/cs/papers/tarpit.pdf
– pestophagous
Oct 5 '12 at 15:38
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Is MonoTouch now banned on the iPhone? [closed]
...://adcdownload.apple.com/iphone/iphone_sdk_3.2__final/iphone_sdk_agreement.pdf
Even though that's the case (and was actually the case since 2.x, apple doesn't have any problem accepting applications that do exactly that. For example, ALL EA games use Lua scripts, and lots and lots of people use ex...
best way to preserve numpy arrays on disk
..._ylabel( 'Size [MB]' )
ax_time.set_ylabel( 'Time [s]' )
f.savefig( 'sizes.pdf', bbox_inches='tight' )
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Django ModelForm: What is save(commit=False) used for?
...easheet"
if attachment.filename.lower().endswith(('.doc','.pdf','.rtf','.txt')):
attachment.file_type = "text"
attachment.save()
here is my example of using save(commit=False). I wanted to check what type of file a user uploaded before saving it ...
Mapping two integers to one, in a unique and deterministic way
... -> N mapping. These are used for e.g. dovetailing. Have a look at this PDF for an introduction to so-called pairing functions. Wikipedia introduces a specific pairing function, namely the Cantor pairing function:
Three remarks:
As others have made clear, if you plan to implement a pairing f...