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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 ...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
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Initially used only ViewDidLoad with tableView. On testing with loss of Wifi, by setting device to airplane mode, realized that the table did not refresh with return of Wifi. In fact, there appears to be no way to refresh tableView on the device even by hitting ...
When to use a key/value store such as Redis instead/along side of a SQL database?
...better to add Redis in this case? what is in database we add in a specific table just to have user id, comment(id), and/or timestamp, and use this directly. Won't this be the same?
– Tony Lin
Sep 1 '19 at 12:14
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
... simple statements of facts sound brusque and abrasive; I try to read charitably when presented with a list of helpful facts, and recommend that you do so as well. I stand by my recommendation; if you have questions about syntax, the spec answers them definitively and begins with a helpful table of ...
typedef struct vs struct definitions [duplicate]
...he identifiers are defined. The compiler will search the global identifier table and after S has not been found it will search for S within the class identifiers.
The code presented before behaves in the same way:
typedef struct S {
int x;
} T;
void S() {} // correct [*]
//void T() {} // e...