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How do I wait for an asynchronously dispatched block to finish?
... expose real behavior to the rest of the app than hide it behind a false façade.
Instead, use NSNotificationCenter, define a custom delegate protocol with callbacks for your class. And if you don't like mucking with delegate callbacks all over, wrap them into a concrete proxy class that implemen...
How to read values from properties file?
...red Aug 21 '13 at 7:29
Michael TécourtMichael Técourt
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What does character set and collation mean exactly?
... collation is how to compare characters, in latin9, there are letters as e é è ê f, if sorted by their binary representation, it will go e f é ê è but if the collation is set to, for example, French, you'll have them in the order you thought they would be, which is all of e é è ê are equal,...
Remove multiple attributes with jQuery's removeAttr
...wered Dec 5 '12 at 14:21
Denys SéguretDenys Séguret
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Why does PHP consider 0 to be equal to a string?
... answered Mar 29 '13 at 14:47
Sébastien RenauldSébastien Renauld
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Most Useful Attributes [closed]
... Be careful with this, it bites much bigger chunk out of your CPU than ToString.
– Nikola Radosavljević
Nov 22 '11 at 0:42
1
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RESTful on Play! framework
...tUser method based on the Accept header?
– Timo Westkämper
Dec 7 '10 at 21:19
it is, but not entirely reliable. If pl...
What RSA key length should I use for my SSL certificates?
...cated because they could be cracked given a small datacenter (thousands of CPU or hundreds of GPU, in maybe a few months). It may seem a lot but it was well within reach of any large organization or government.
2048 bits
2048 bits RSA certificates are currently the accepted norm in use.
Default ...
Is SHA-1 secure for password storage?
...t bigger, because storage cost is reduced. The bottleneck on N becomes the CPU power that the attacker can muster, not the size of his harddisks.
If N is large enough that the CPU-cost of hashing N passwords is ludicrous, then such an attack is not feasible, regardless of whether rainbow tables ar...
Why does pthread_cond_wait have spurious wakeups?
... The thread is doing whatever it does with the element it acquired on some CPU.
Thread 2 attempts to dequeue an element, but finds the queue to be empty when checked under the mutex, calls pthread_cond_wait, and blocks in the call awaiting signal/broadcast.
Thread 3 obtains the mutex, inserts a new ...