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Error in Swift class: Property not initialized at super.init call
... Swift Programming Language, which answers your question:
“Swift’s compiler performs four helpful safety-checks to make sure
that two-phase initialization is completed without error:”
Safety check 1 “A designated initializer must ensure that all of the
“properties introduced b...
Is JavaScript an untyped language?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 6 '12 at 12:08
Brian McKennaBrian M...
How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
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ZSync's last commit on github was on September 2010 which leads me to believe Marcus stopped supporting it.
– Perishable Dave
Feb 8 '12 at 23:13
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How to customize user profile when using django-allauth
...el for this. Please have a look here on how to do this: docs.djangoproject.com/en/dev/topics/auth/…
– pennersr
Sep 9 '12 at 20:36
6
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Difference between core and processor
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A core is usually the basic computation unit of the CPU - it can run a single program context (or multiple ones if it supports hardware threads such as hyperthreading on Intel CPUs), maintaining the correct program state, registers, and correct executio...
Function passed as template argument
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See it live
The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer type void (*)(int &) is being passed to doOperation. (But add3, being a functor, can be inlined easily. Here, the compiler knows...
Xcode 4 - slow performance
... Xcode and enjoy faster performance!
Thanks to:
http://meachware.blogspot.com/2011/06/speed-up-xcode-4.html
Edit: I've gotten several comments about this noting that for some projects this might cause problems. Make sure you have a backup of your project before performing these steps, and don't ...
log4net vs. Nlog
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I was recently tasked to "prototype up some loggin'" for an upcoming project. I didn't have any logging framework experience. I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them toget...
Hash and salt passwords in C#
...TextWithSaltBytes[plainText.Length + i] = salt[i];
}
return algorithm.ComputeHash(plainTextWithSaltBytes);
}
The salt generation is as the example in the question. You can convert text to byte arrays using Encoding.UTF8.GetBytes(string). If you must convert a hash to its string re...
Fastest way to check if a string is JSON in PHP?
...any other literal can potentially greatly speed this one up when many of incoming strings are expected to be non-JSON.
– Oleg V. Volkov
Sep 25 '12 at 17:03
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