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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...oduce several per second on the same node. Example: [uuid.uuid1() for i in range(2)]. Unless of course something strange is going on that I'm missing.
– Michael Mior
Nov 16 '13 at 4:14
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Identity increment is jumping in SQL Server database
...24 - 25 December was done another restart and SQL Server reserved the next range 1207306 - 1208305 visible in the entries for the 28th.
Unless you are restarting the service with unusual frequency any "lost" values are unlikely to make any significant dent in the range of values allowed by the data...
What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
...peat it here). My favourites, some of which involve other classes (such as ranges):
Date and time stuff - mostly for unit tests. Not sure I'd use them in production :)
var birthday = 19.June(1976);
var workingDay = 7.Hours() + 30.Minutes();
Ranges and stepping - massive thanks to Marc Gravell fo...
Remove all whitespaces from NSString
...ptions:NSRegularExpressionSearch
range:NSMakeRange(0, [myStringlength])];
//myNewString will be @"thisisatest"
You can make yourself a category on NSString to make life even easier:
- (NSString *) removeAllWhitespace
{
return [self stringByReplacin...
Generate a random alphanumeric string in Cocoa
...tring for security purposes. Unique != Random. The length is constant, the range of characters used is limited (0-9, A-F, - = 17, vs 62 for a-Z. 0-9). This string is unique but predictable.
– amcc
Jul 2 '15 at 11:16
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Finding the number of days between two dates
...M,$EndD,$EndY) - gregoriantojd($StartM,$StartD,$StartY); (for an inclusive range). Unlike the Datetime Class, Gregorian to Julian is available in v4 up. Valid range is 4714 B.C. to 9999 A.D. Beware of the funky parameter order (like you need that warning for php).
– Guy Gord...
How to convert a string into double and vice versa?
...ndle conversion errors, you can use -[NSFormatter getObjectValue:forString:range:error:] instead.
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File I/O in Every Programming Language [closed]
...hon-3-with-2to3.html . Second, in python 3 you can index an iterator. Type range(10)[4] in the shell (range() also returns an iterator in Python 3 in contrary to python 2 where range() returns a list). Note that range(N)[i] is done in O(i), not O(1) and not O(N).
– snakile
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How do I efficiently iterate over each entry in a Java Map?
...in the interval from x-e to x+e, so the fastest result (1184.767±332.968) ranges from 852 to 1518, whereas the second slowest (1706.676±436.867) runs between 1270 and 2144, so the results still overlap significantly. Now look at the slowest result, 3289.866±1445.564, which implies diverging betwe...
Is there any overhead to declaring a variable within a loop? (C++)
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problem is that such an optimizer will use live range analysis, and both variables are rather dead.
– MSalters
Jun 12 '09 at 15:17
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