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Initialize class fields in constructor or at declaration?
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I expect that kokos means that you should not initialize members to their default values (0, false, null etc.), since the compiler will do that for you (1.). But if you want to initialize a field to anything other than its defau...
Difference between `set`, `setq`, and `setf` in Common Lisp?
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Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SETQ or SETF, just the SET function.
What is now written as:
(setf (symbol-value '*foo*) 42)
was written as:
(set (quote *foo*) 42)
which was eventually abbreviava...
What is the difference between quiet NaN and signaling NaN?
...ld result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
2 A...
How to print out the method name and line number and conditionally disable NSLog?
I'm doing a presentation on debugging in Xcode and would like to get more information on using NSLog efficiently.
13 Answer...
Hashing a string with Sha256
...not used by anyone else). http://msdn.microsoft.com/en-us/library/system.text.encoding.unicode.aspx
If you inspect your bytes array, you'll see that every second byte is 0x00 (because of the double-wide encoding).
You should be using Encoding.UTF8.GetBytes instead.
But also, you will see differen...
How do I generate random integers within a specific range in Java?
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Get “Value” property in IGrouping
...ed group,you could call
var selectedGroupValues=selectedGroup.SelectMany(x=>x);
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Using sed, how do you print the first 'N' characters of a line?
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@fedorqui -r is apparently available on Linux, but not on Mac.
– Paul Tomblin
Mar 25 '16 at 0:17
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How do I redirect output to a variable in shell? [duplicate]
...a redirect. If you actually need to use a redirect because of a more complex need, See my answer. Google brought you here, right? Why go somewhere else to find the answer you searched for?
– Bruno Bronosky
Aug 5 '14 at 22:25
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UIActivityViewController crashing on iOS 8 iPads
I am currently testing my app with Xcode 6 (Beta 6). UIActivityViewController works fine with iPhone devices and simulators but crashes with iPad simulators and devices (iOS 8) with following logs
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