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filter items in a python dictionary where keys contain a specific string
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183
How about a dict comprehension:
filtered_dict = {k:v for k,v in d.iteritems() if filter_strin...
Override devise registrations controller
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edited Oct 18 '13 at 1:29
answered Aug 24 '10 at 4:25
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Difference between except: and except Exception as e: in Python
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159
In the second you can access the attributes of the exception object:
>>> def catch()...
Jquery to change form action
...nd two different pages have to be called when they are clicked. when button1 is clicked then page1 must be loaded and when button2 is clicked then page2 must be loaded. i know how to do this in javascript but i have no clue about how to do this in jquery.Can any one help me?
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Assigning default value while creating migration file
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167
Default migration generator does not handle default values (column modifiers are supported but...
How can I get the client's IP address in ASP.NET MVC?
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edited Jun 14 '14 at 5:52
answered Sep 8 '11 at 13:23
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Java switch statement: Constant expression required, but it IS constant
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13 Answers
13
Active
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Creating an array of objects in Java
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A[] a = new A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
... the "Specific Version" property of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the qu...