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Java8: Why is it forbidden to define a default method for a method from java.lang.Object

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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Checking if sys.argv[x] is defined

... Another way I haven't seen listed yet is to set your sentinel value ahead of time. This method takes advantage of Python's lazy evaluation, in which you don't always have to provide an else statement. Example: startingpoint = 'blah' if len(sys.argv) >= 2: starti...
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In a storyboard, how do I make a custom cell for use with multiple controllers?

...WithCoder:]. The -initWithCoder: method goes through and adds subviews and sets properties that were defined in the nib. (IBOutlets probably get hooked up here as well, though I haven't tested that; it may happen in -awakeFromNib) You configure your cell however you want. The important thing to n...
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Reading Xml with XmlReader in C#

...turn accounts;}} } public class Account { public string NameOfKin {get;set;} private readonly List<Statement> statements = new List<Statement>(); public List<Statement> StatementsAvailable {get{return statements;}} } public class Statement {} static class Program { ...
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Why is __init__() always called after __new__()?

...w instance (using the arguments provided to the constructor expression) to set up whatever initial conditions are desired. In Python, this corresponds to the class' __init__ method. Python's __new__ is nothing more and nothing less than similar per-class customisation of the "allocate a new instanc...
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What is the difference between the template method and the strategy patterns?

...which are passed to the strategy as a parameter to its constructor or to a setter method. Which algorithm is chosen for this parameter can vary dynamically based on the program's state or inputs. class ConcreteAlgorithm : IAlgorithm { void DoAlgorithm(int datum) {...} } class Strategy { S...
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Copy Notepad++ text with formatting?

... Ctrl + Shift + C. Settings > Shortcut Mapper > Plugin Commands > Copy all Formats to clipboard. > CTRL+SHIFT+C --> Happy formatting ! – The Beast Oct 29 '16 at 18:38 ...
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Multiple RunWith Statements in jUnit

...beginning of test case. So, the simplest solution is to put this code into setUp() method: @Before public void setUp() { MockitoAnnotations.initMocks(this); } I am not sure, but probably you should avoid multiple call of this method using flag: private boolean mockInitialized = false; @Befor...
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How come a non-const reference cannot bind to a temporary object?

...ly, but there was actually a bug like that in early Fortran compilers that set aside a memory location to hold the value 0. share | improve this answer | follow ...
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How can I check if a key exists in a dictionary? [duplicate]

... key does not exist, use value = a.get(key, default_value). If you want to set the default value at the same time in case the key does not exist, use value = a.setdefault(key, default_value). share | ...