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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...l consists of a database at the top level, then collections which are like tables in MySQL (for example) and then documents which are contained within the collection, like rows in MySQL. Each document has a field and a value where this is similar to columns and values in MySQL. Fields can be simple ...
Default value of a type at Runtime [duplicate]
...ue, while all value types will have their default values according to this table.
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Non-CRUD operations in a RESTful service
...INSERT in the database. Actually, REST is not about exposing your database tables as CRUD operations. From logical point of view you are creating an order (purchase), but the server side is free to do as many processing steps as it wants.
You can even abuse HTTP protocol even further. Use Location ...
Unit Testing C Code [closed]
...e.
AceUnit
AceUnit (Advanced C and Embedded Unit) bills itself as a comfortable C code unit test framework. It tries to mimick JUnit 4.x and includes reflection-like capabilities. AceUnit can be used in resource constraint environments, e.g. embedded software development, and importantly it runs fi...
When are you truly forced to use UUID as part of the design?
... the byte string. The hash method is not useful to you. It's used for hash tables and comparison operations internally within Ruby. All the methods for converting to and from various UUID representations are defined as class methods and should be prefixed with "parse".
– Bob Am...
How does collections.defaultdict work?
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Neither. 0 is immutable - in CPython all values from -5 to 256 are cached singletons but this is implementation-specific behaviour - in both cases a new instance is "created" each time with int() or list(). That way, d[k].append(v) can work wi...
Rails: Default sort order for a rails model?
... would not it be more secure to do default_scope { order("#{table_name}.created_at DESC") } ?
– cyrilchampier
Mar 18 '14 at 17:46
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Why should we include ttf, eot, woff, svg,… in a font-face
...tantly, this way the font is preserved completely including rendering rule tables that very few people care about because they use only Latin script.
Take a look at [dead URL removed].
The font you see is an experimental web delivered smartfont (woff) that has thousands of combined characters maki...
How can I use redis with Django?
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It's not about speed, it's about resources. A table in cache will be less expensive.
– dman
Mar 14 '14 at 14:37
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How does the Brainfuck Hello World actually work?
...and write its decimal ASCII code to the actual cell.
Take a look at ASCII table. For example, decimal code of ! is 33, while a is 97.
Well, lets imagine your BF program memory looks like:
...[0][0][*0*][0][0]...
Assuming standard input stands for a, if you use comma , operator, what BF does is ...