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In Postgresql, force unique on combination of two columns
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CREATE TABLE someTable (
id serial primary key,
col1 int NOT NULL,
col2 int NOT NUL...
Get file name and extension in Ruby
I'm working on a program to download a video from YouTube, convert it to MP3 and create a directory structure for the files.
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Flask-SQLAlchemy import/context issue
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Sean VieiraSean Vieira
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move "b".
MessagePack has RPC
MessagePack, Protocol Buffers,...
How to escape hash character in URL
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Percent encoding. Replace the hash with %23.
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What are the differences between ipython and bpython?
... Sven MarnachSven Marnach
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Mongo: find items that don't have a certain field
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Somnath Muluk
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answered Apr 19 '11 at 16:19
Andrew Orsi...
Create a submodule repository from a folder and keep its git commit history
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