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C++0x has no semaphores? How to synchronize threads?
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edited Sep 13 '18 at 15:00
answered Jan 25 '11 at 12:45
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Difference between Repository and Service Layer?
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330
Repository Layer gives you additional level of abstraction over data access. Instead of writin...
Getting multiple keys of specified value of a generic Dictionary?
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answered Nov 1 '08 at 8:03
Jon SkeetJon Skeet
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Enum type constraints in C# [duplicate]
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93
This is an occasionally requested feature.
As I'm fond of pointing out, ALL features are unimp...
How to reshape data from long to wide format
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answered May 4 '11 at 23:20
ChaseChase
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What are the mechanics of short string optimization in libc++?
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The libc++ basic_string is designed to have a sizeof 3 words on all architectures, where sizeof(word) == sizeof(void*). You have correctly dissected the long/short flag, and the size field in the short form.
what value would __min_cap, the capacity of short strings, take f...
Generate MD5 hash string with T-SQL
Is there a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
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capturing self strongly in this block is likely to lead to a retain cycle
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answered Jan 28 '13 at 6:39
TimTim
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Remove a string from the beginning of a string
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Plain form, without regex:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
if (substr($str, 0, strlen($prefix)) == $prefix) {
$str = substr($str, strlen($prefix));
}
Takes: 0.0369 ms (0.000,036,954 seconds)
And with:
$prefix = 'bla_';
$str = 'bla_string...
What is the best way to concatenate two vectors?
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332
AB.reserve( A.size() + B.size() ); // preallocate memory
AB.insert( AB.end(), A.begin(), A.end...