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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...
How to create a multi-tenant database with shared table structures?
...perforce.com/media/ForcedotcomBookLibrary/Force.com_Multitenancy_WP_101508.pdf
They have 1 huge table w/ 500 string columns (Value0, Value1, ... Value500). Dates and Numbers are stored as strings in a format such that they can be converted to their native types at the database level. There are me...