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How do I animate constraint changes?

... You know what... your answer works. The WWDC works.... my vision fails. For some reason it took me a week to realize I was calling setNeedsLayout instead of layoutIfNeeded. I'm slightly horrified by how many hours I spent not noti...
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How to find the JVM version from a program?

....getProperty("java.version") returns what you need. You can also use JMX if you want: ManagementFactory.getRuntimeMXBean().getVmVersion() share | improve this answer | fol...
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Union of dict objects in Python [duplicate]

...t objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)? ...
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

... Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd. You could create a macro: #if defined(_MSC_VER) || defined(__MINGW32__) //_...
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How to pass table value parameters to stored procedure from .net code

... Would you please let me know that what do I pass as parameter? Func<T, TProperty> selector? Can't it be simply tbl.Rows.Add(item) and no need of that parameter. – GDroid Mar 18 '15 at 20:59 ...
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what is the right way to treat Python argparse.Namespace() as a dictionary?

If I want to use the results of argparse.ArgumentParser() , which is a Namespace object, with a method that expects a dictionary or mapping-like object (see collections.Mapping ), what is the right way to do it? ...
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private[this] vs private

... learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict changing field value even for objects of t...
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Django select only rows with duplicate field values

...viously had a bug on this (might have been fixed in recent versions) where if you don't specify a fieldname for the Count annotation to saved as, it defaults to [field]__count. However, that double-underscore syntax is also how Django interprets you wanting to do a join. So, essentially when you try...
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Scala how can I count the number of occurrences in a list

...-> 3, apple -> 3) The question asks how to find the count of a specific item. With this approach, the solution would require mapping the desired element to its count value as follows: s.groupBy(identity).mapValues(_.size)("apple") ...
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Average of 3 long integers

... can give a result that is off by one, namely rounded up rather than down, if negative values for the variables are allowed. For instance if x,y are positive multiples of 3, and z is -2, you get (x+y)/3 which is too much. – Marc van Leeuwen May 30 '14 at 15:15 ...