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iOS 7 status bar back to iOS 6 default style in iPhone app?
In iOS 7 the UIStatusBar has been designed in a way that it merges with the view like this:
25 Answers
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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
I'm curious as to whether or not there is a real difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe).
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
...o evaluate the right-hand expression:
GetBoolValue() ? 10 : null
The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message.
If you change the right-hand expression to one of the following then it compiles because there i...
Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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What is the most frequent concurrency issue you've encountered in Java? [closed]
This is a poll of sorts about common concurrency problems in Java. An example might be the classic deadlock or race condition or perhaps EDT threading bugs in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer o...
How do you get the index of the current iteration of a foreach loop?
Is there some rare language construct I haven't encountered (like the few I've learned recently, some on Stack Overflow) in C# to get a value representing the current iteration of a foreach loop?
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Callback functions in C++
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Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think.
What are callbacks(?) and why to use them(!)
A callback is a callable (see further down) accepted by a class or fun...
foreach vs someList.ForEach(){}
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There is one important, and useful, distinction between the two.
Because .ForEach uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEa...
Is it possible to make anonymous inner classes in Java static?
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No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests changing anonymous inner classes to named static nested classes if they don't use their implicit this reference.
Edit: Tom Hawtin - tackline says that if the anonymous class is created in a...
Simpler way to create dictionary of separate variables?
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Are you trying to do this?
dict( (name,eval(name)) for name in ['some','list','of','vars'] )
Example
>>> some= 1
>>> list= 2
>>> of= 3
>>> vars= 4
>>> dict( (name,eval(name)) for name in ['some','li...