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UINavigationBar Hide back Button Text
...s method currently works only in interface builder. Setting this from code does not work, instead of setting only the title you need to set the whole backBarButtonItem like this: navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
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Using getopts to process long and short command line options
...three implementations that may be considered:
Bash builtin getopts. This does not support long option names with the double-dash prefix. It only supports single-character options.
BSD UNIX implementation of standalone getopt command (which is what MacOS uses). This does not support long options e...
C++ Modules - why were they removed from C++0x? Will they be back later on?
...ne from Microsoft and one from Clang. The proposed solution from Microsoft does not allow to export Macros, while the solution from the Clang team would support exporting Macros. So far only Microsoft has formally submitted a draft for a module specification.
Module specification as proposed by Mic...
How do I get the path of the assembly the code is in?
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Note: this does not work with network locations (e.g. \\REMOT_EPC\Folder)
– Muxa
Jan 27 '14 at 22:37
5
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Inheritance vs. Aggregation [closed]
...nciples of the universe. So we need to override the Bark method so that it does nothing.
class Cat is Dog
Purr;
Bark = null;
end;
Ok, this works, but it smells bad. So lets try an aggregation:
class Cat
has Dog;
Eat = Dog.Eat;
Walk = Dog.Walk;
Play = Dog.Play;
Purr;
end;
Ok, thi...
What is null in Java?
...r any E o, where o == null, o instanceof R is always false.
What set does 'null' belong to?
JLS 4.1 The Kinds of Types and Values
There is also a special null type, the type of the expression null, which has no name. Because the null type has no name, it is impossible to declare a variab...
How can I detect if a file is binary (non-text) in python?
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@intuited No, but libmagic does that. Use it via python-magic.
– Bengt
Jun 30 '12 at 1:25
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What is Activity.finish() method doing exactly?
...g.
Close any open search dialog
Also, onDestroy() isn't a destructor. It doesn't actually destroy the object. It's just a method that's called based on a certain state. So your instance is still alive and very well* after the superclass's onDestroy() runs and returns.Android keeps processes around...
Scoping in Python 'for' loops
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Python does not have blocks, as do some other languages (such as C/C++ or Java). Therefore, scoping unit in Python is a function.
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Pandas percentage of total with groupby
... going on here? As I understand it, x is a table of some kind, so 100 * x doesn't intuitively make sense (especially when some of the cells contain strings like AZ, ...).
– dhardy
Feb 6 '15 at 9:42
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