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When to create a new app (with startapp) in Django?

I've googled around for this, but I still have trouble relating to what Django defines as "apps". 7 Answers ...
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Does making a struct volatile make all its members volatile?

... Another question can be asked (or simply another way to look at the original question): Does making a struct const make all its members const? If I have: struct whatever { int data; }; const whatever test; Will test.data be const too? My answer is : Yes. If you declare an object of type wh...
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git command to show all (lightweight) tags creation dates

Is there a one liner that shows me the dates where all git lightweight tags where created ? 2 Answers ...
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Check if any ancestor has a class using jQuery

Is there any way in jQuery to check if any parent, grand-parent, great-grand-parent has a class. 3 Answers ...
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@Override is not allowed when implementing interface method

I have the problem mentioned in the title. You could say that this thread duplicates another one: How do I turn off error validation for annotations in IntelliJ IDEA? ...
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Android Fragments: When to use hide/show or add/remove/replace?

Suppose I wish to replace the current fragment in some container view with another. Is it better to use replace... 3 Answer...
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Does Flask support regular expressions in its URL routing?

I understand that Flask has the int, float and path converters, but the application we're developing has more complex patterns in its URLs. ...
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An expression tree may not contain a call or invocation that uses optional arguments

... The underlying expression tree API does not support optional arguments. For IL-compiled code the C# compiler inserts the default values at compile time (hard-coded), because the CLR does not support calling methods with optional argume...
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What is a Memory Heap?

... Presumably you mean heap from a memory allocation point of view, not from a data structure point of view (the term has multiple meanings). A very simple explanation is that the heap is the portion of memory where dynamically allocated memory resides (i.e. memory allocated via...
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?

How can I get the current date and time in DD/MM/YYYY HH:MM format and also increment the month? 4 Answers ...