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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
... server, you also have to think about latency. If you pack all of your network communication into viewDidLoad or viewWillAppear, they will be executed before the user gets to see the view - possibly resulting a short freeze of your app. It may be good idea to first show the user an unpopulated view ...
ASP.NET MVC Razor pass model to layout
...yout page. The reason I don't like typing the layout page is that it will force you to always inherit a "base" viewmodel in all you specific view models. In my experience this usually isn't a very good idea and a lot of the time you will have issues when it's to late to change the design (or it will...
Unique fields that allow nulls in Django
...ar field should be unique, but allow nulls in it, meaning I want to allow more than one record if bar field is null , but if it is not null the values must be unique.
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Convert a String representation of a Dictionary to a dictionary?
... in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
>>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}")
{'muffin': 'lolz', 'foo': 'kitty'}
This is safer than using eval. As its own docs say:
>>> help(ast.literal_eval)
Help on function li...
How to properly compare two Integers in Java?
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No, == between Integer, Long etc will check for reference equality - i.e.
Integer x = ...;
Integer y = ...;
System.out.println(x == y);
this will check whether x and y refer to the same object rather than equal objects.
So
Integer x = new Integer(10);
Integer y = ...
Is there a software-engineering methodology for functional programming? [closed]
Software Engineering as it is taught today is entirely focused on object-oriented programming and the 'natural' object-oriented view of the world. There is a detailed methodology that describes how to transform a domain model into a class model with several steps and a lot of (UML) artifacts like us...
Validate a username and password against Active Directory?
How can I validate a username and password against Active Directory? I simply want to check if a username and password are correct.
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Using SASS with ASP.NET [closed]
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For a better working experience in Visual Studio, you could install the last version of Web Essential which is starting to support Sass (SCSS syntax). Alternatively you could install Sassy Studio or Web Workbench.
Then to com...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
...ta into MySQL. Should I chain INSERTs to make one huge multiple-row INSERT or are multiple separate INSERTs faster?
10 Answ...