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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
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Old post, I know, but I often come back to it when starting a new project using MVVM. I've recently started enforcing the Single Responsibility Principle a lot more strictly. A model is to have one responsibility. To be a model. As soon as you add INotifyPropertyChanged to th...
PHP Multidimensional Array Searching (Find key by specific value)
...ail on associative keys.
This method will only work on indexed subarrays (starting from 0 and have consecutively ascending keys).
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How to install both Python 2.x and Python 3.x in Windows
...at was done. So basically I just manually added Python 2.7.6.
How to...
Start > in the search type in environment select "Edit environment variables to your account"1
Scroll down to Path, select path, click edit.
Add C:\Python27;
so you should have paths to both versions of Python there, but i...
NSString with \n or line break
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try this ( stringWithFormat has to start with lowercase)
[NSString stringWithFormat:@"%@\n%@",string1,string2];
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@Transactional(propagation=Propagation.REQUIRED)
...base using a DAO
}
}
When doSomething() is called it knows it has to start a Transaction on the database before executing. If the caller of this method has already started a Transaction then this method will use that same physical Transaction on the current database connection.
This @Transact...
How to tell if rails is in production?
I used script/server -e production to start rails in production mode. It did and I got no errors. However how do I tell if it is in production mode? I tried a non-existent route, and I got a similar error page I did in development.
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How to use android emulator for testing bluetooth application?
...fter creating the virtual machine set the network adapter to 'Bridged'. ·
Start the VM and select 'Live CD VESA' at boot.
Now you need to find out the IP of this VM. Go to terminal in VM (use Alt+F1
& Alt+F7 to toggle) and use the netcfg command to find this.
Now you need open a command promp...
How do I make a transparent canvas in html5?
...t also has to be 'cleared' and redrawn with every animation frame. Yes, it starts transparent by default, but how do you reset it to transparent and the start of every new animation frame?
– J Sprague
Oct 17 '15 at 4:14
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How can I declare optional function parameters in Javascript? [duplicate]
...es to do a bunch of checks on optional inputs before the function actually starts.
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What is the relation between BLAS, LAPACK and ATLAS
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While ago, when I started doing some linear algebra in C, it came to me as a surprise to see there are so few tutorials for BLAS, LAPACK and other fundamental APIs, despite the fact that they are somehow the cornerstones of many other librarie...