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When to use generic methods and when to use wild-card?
...dited Feb 13 '17 at 10:13
diyoda_
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answered Aug 11 '13 at 21:21
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Best way for a 'forgot password' implementation? [closed]
...ause usernames are sometimes forgotten too.
The system has a table password_change_requests with the columns ID, Time and UserID. When the new user presses the button, a record is created in the table. The Time column contains the time when the user pressed the "Forgot Password" button. The ID is a ...
Generate random numbers uniformly over an entire range
...t generate numbers uniformly (it depends on the range and the value of RAND_MAX), and is therefore discouraged.
C++11 and generation over a range
With C++11 multiple other options have risen. One of which fits your requirements, for generating a random number in a range, pretty nicely: std::uniform_...
How do I choose between Semaphore and SemaphoreSlim?
... important. Semaphore blocks the thread instead.
– r2_118
Jan 4 '16 at 22:34
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C++, Free-Store vs Heap
...oes not distinguish 'heap' and 'free store': stroustrup.com/Programming/17_free_store.ppt, slide 12. 'Heap' was used as a synonym of dynamic memory long ago before C++, since Lisp time (1960s) which used heap data structure for memory allocation.
– Alexey Voytenko
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How does the MapReduce sort algorithm work?
...wered Aug 11 '16 at 7:44
edwinfj_edwinfj_
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Python strptime() and timezones?
...time module documentation says:
Return a datetime corresponding to date_string, parsed according to format. This is equivalent to datetime(*(time.strptime(date_string, format)[0:6])).
See that [0:6]? That gets you (year, month, day, hour, minute, second). Nothing else. No mention of timezones....
Catching java.lang.OutOfMemoryError?
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In OpenJdk1.7.0_40, I don't get any error or exception when I run this code. Even I changed the MEGABYTE to GIGABYTE (1024*1024*1024). Is that because of optimizer removes the variable 'byte[] bytes' as it is not used in the rest of the cod...
How to pass a class type as a function parameter
...lass: AnyClass = type(of: self)
Swift 2.x
let myClass: AnyClass = object_getClass(self)
and you can pass it as paramater later, if you'd like.
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How do you set, clear, and toggle a single bit?
... << x); will not put the value of bit x into bit unless bit has type _Bool (<stdbool.h>). Otherwise, bit = !!(number & (1 << x)); will..
– Chris Young
Nov 16 '08 at 7:49
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