大约有 46,000 项符合查询结果（耗时：0.0358秒） [XML]
hash function for string
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I've had nice results with djb2 by Dan Bernstein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
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How to allocate aligned memory only using the standard library?
... Google for reference. I'd like to see what the StackOverflow crew can do with it:
17 Answers
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Add Variables to Tuple
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edited Dec 16 '19 at 10:31
John R Perry
2,96011 gold badge2626 silver badges4444 bronze badges
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Vim delete blank lines
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edited Jun 18 '10 at 8:27
answered Apr 1 '09 at 15:36
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jQuery Validate Plugin - Trigger validation of single field
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Note: form element name also works with this function, i.e. $('input[name=email-field-only]').valid(); also works
– Raptor
Nov 22 '12 at 7:17
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How do I use Django templates without the rest of Django?
...plate engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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How to find gaps in sequential numbering in mysql?
We have a database with a table whose values were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
...% strings, there's no surviving plan to ever deprecate the latter.
In commit Issue #14123: Explicitly mention that old style % string formatting has caveats but is not going away any time soon., inspired by issue Indicate that there are no current plans to deprecate printf-style formatting, the doc...
Get img thumbnails from Vimeo?
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edited Jan 9 '13 at 15:38
answered Sep 1 '09 at 8:14
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Select mySQL based only on month and year
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edited Feb 8 '17 at 7:49
answered Feb 1 '12 at 23:06
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