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Comma in C/C++ macro
Say we have a macro like this
7 Answers
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WPF User Control Parent
...dow.GetWindow(userControlReference);
The GetWindow method will walk the VisualTree for you and locate the window that is hosting your control.
You should run this code after the control has loaded (and not in the Window constructor) to prevent the GetWindow method from returning null. E.g. wire u...
range() for floats
Is there a range() equivalent for floats in Python?
21 Answers
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Rails migration for has_and_belongs_to_many join table
...nts_teachers student_id:integer teacher_id:integer
(note the table name lists both join tables in alphabetical order)
and then for rails 3 and below only, you need to edit your generated migration so an id field is not created:
create_table :students_teachers, :id => false do |t|
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Can you build dynamic libraries for iOS and load them at runtime?
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At the time this question was asked, Dynamic libraries were not supported by iOS and will result in your app getting rejected. Only static libraries are allowed.
However, in iOS8 you can use dynamic libraries and frameworks. It should "ju...
Dynamically Changing log4j log level
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Changing the log level is simple; modifying other portions of the configuration will pose a more in depth approach.
LogManager.getRootLogger().setLevel(Level.DEBUG);
The changes are permanent through the life cyle of the Logger. On reinitializat...
How do I calculate the date six months from the current date using the datetime Python module?
... months from the current date. Could someone give me a little help doing this?
43 Answers
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How do you create an asynchronous method in C#?
...explain how to build your own asynchronous methods to consume. So I have this code right now that consumes my method:
3 Ans...
How should I call 3 functions in order to execute them one after the other?
If I need call this functions one after other,
11 Answers
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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
What's the exact reason for using dispatch_once in the shared instance accessor of a singleton under ARC?
2 Answers
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