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Passing Data between View Controllers

...h it onto nav stack. ViewControllerB *viewControllerB = [[ViewControllerB alloc] initWithNib:@"ViewControllerB" bundle:nil]; viewControllerB.isSomethingEnabled = YES; [self pushViewController:viewControllerB animated:YES]; This will set isSomethingEnabled in ViewControllerB to BOOL value YES. P...
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Is it possible to refresh a single UITableViewCell in a UITableView?

...th:], but that didn't work. But, the following works for me for example. I alloc and release the NSArray for tight memory management. - (void)reloadRow0Section0 { NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0]; NSArray *indexPaths = [[NSArray alloc] initWithObjects:ind...
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Accurate way to measure execution times of php scripts

I want to know how many milliseconds a PHP for-loop takes to execute. 14 Answers 14 ...
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Does using final for variables in Java improve garbage collection?

...to a "young generation" and an "old generation". All objects are initially allocated in the young generation (sometimes referred to as "the nursery"). Since most objects are short-lived, the GC is more aggressive about freeing recent garbage from the young generation. If an object survives a collect...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

I update nginx to 1.4.7 and php to 5.5.12 , After that I got the 502 error . Before I update everything works fine. 24 ...
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How do I get class name in PHP?

... Since PHP 5.5 you can use class name resolution via ClassName::class. See new features of PHP5.5. <?php namespace Name\Space; class ClassName {} echo ClassName::class; ?> If you want to use this feature in your class ...
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What type of hash does WordPress use?

... The WordPress password hasher implements the Portable PHP password hashing framework, which is used in Content Management Systems like WordPress and Drupal. They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encryption sch...
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select count(*) from table of mysql in php

... @eichertc the php interpreter has the variable always internal, as he needs to have the result in memory one way or the other. So your way just makes the code worser to read and maintain, IMHO. – Tom ...
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std::back_inserter for a std::set?

...h it makes sense. My current interest is for exercising generic container allocators such as @HowardHinnant 's short_alloc. – Don Hatch Apr 6 at 8:35 ...
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Differences between unique_ptr and shared_ptr [duplicate]

...smart pointers, which means that they automatically (in most cases) will deallocate the object that they point at when that object can no longer be referenced. The difference between the two is how many different pointers of each type can refer to a resource. When using unique_ptr, there can be at...