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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

... RaisePropertyChanged("ViewModelCopyOfSomeProperty"); } But typically this is only needed if more than one object will be making changes to the Model's data, which is not usually the case. If you ever have a case where you don't actually have a reference to your Model property to attach t...
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How to use a custom comparison function in Python 3?

...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort. – YOU Mar 28 '10 at 5:26 ...
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Equivalent to 'app.config' for a library (DLL)

... You can have separate configuration file, but you'll have to read it "manually", the ConfigurationManager.AppSettings["key"] will read only the config of the running assembly. Assuming you're using Visual Studio as your IDE, you can right click the desired project → Add → New item → Applicat...
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What is the purpose of class methods?

...sson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions. 17 Answers ...
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CSV API for Java [closed]

Can anyone recommend a simple API that will allow me to use read a CSV input file, do some simple transformations, and then write it. ...
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Simple Log to File example for django 1.3+

...ogfile'], 'level': 'DEBUG', }, } } Now what does all of this mean? Formaters I like it to come out as the same style as ./manage.py runserver Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) and look at a te...
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SQLAlchemy - Getting a list of tables

... All of the tables are collected in the tables attribute of the SQLAlchemy MetaData object. To get a list of the names of those tables: >>> metadata.tables.keys() ['posts', 'comments', 'users'] If you're using the...
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Object of custom type as dictionary key

... You need to add 2 methods, note __hash__ and __eq__: class MyThing: def __init__(self,name,location,length): self.name = name self.location = location self.length = length def __hash__(self): return hash((self.name...
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Can an AJAX response set a cookie?

...ink the question only makes sense for http clients that support cookie. So all question-asker only wishes to know if cookies can be written in AJAX request that means his UA supports cookies :) – this. __curious_geek Jul 27 '10 at 4:52 ...
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is node.js' console.log asynchronous?

...ete, since stdout is synchronous now. Well let's see what console.log actually does. First of all it's part of the console module: exports.log = function() { process.stdout.write(format.apply(this, arguments) + '\n'); }; So it simply does some formatting and writes to process.stdout, nothing ...