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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...s model
Viewmodel subscribes to model's PropertyChanged event
Viewmodel is set as view's DataContext, properties are bound etc
View triggers action on viewmodel
Viewmodel calls method on model
Model updates itself
Viewmodel handles model's PropertyChanged and raises its own PropertyChanged in respon...
How to implement a Map with multiple keys? [duplicate]
...1=A and K2=B, then you store value "1" with K1=C and K2=D. Now you try to set value = "2" where K1=A. How do you know which K2 to use? Logan, your solution works, but you might also want to keep a Map<K1, K2> as well. This is probably getting a bit theoretical though, as it doesn't look li...
get string value from HashMap depending on key name
...?
Object value = map.get(myCode);
Here's a tutorial about maps, you may find it useful: http://java.sun.com/docs/books/tutorial/collections/interfaces/map.html.
Edit: you edited your question with the following:
I'm expecting to see a String, such as "ABC" or "DEF" as that is what I put in t...
Lists: Count vs Count() [duplicate]
Given a list, which method is preferred to determine the number of elements inside?
4 Answers
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How do I write output in same place on the console?
I am new to python and am writing some scripts to automate downloading files from FTP servers, etc. I want to show the progress of the download, but I want it to stay in the same position, such as:
...
Should composer.lock be committed to version control?
...commit the lock file so you and your collaborators are working on the same set of versions and prevent you from sayings like "But it worked on my computer". ;-)
For libraries: Probably not.
The composer documentation notes on this matter:
Note: For libraries it is not necessarily recommended t...
Is an array name a pointer?
...integers, but it can point to a space for an integer. We can, for example, set it to point to one of the places in the array a, such as the first one:
p = &a[0];
What can be confusing is that you can also write this:
p = a;
This does not copy the contents of the array a into the pointer p ...
Is there a standard keyboard shortcut to build the current project in Visual Studio?
...rrent project works in VS2015 with resharper installed and keyboard scheme set to VS. It also works VS2017 without resharper.
– Kalyan
Oct 11 '17 at 15:29
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Passing command line arguments from Maven as properties in pom.xml
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What are the differences between .gitignore and .gitkeep?
...t. In trivial cases, no problem, but if it is a bigger file you might be upset. Using !.gitignore prevents you from shooting yourself in your foot. I prefer it, having burned myself in the past.
– sjas
May 13 '14 at 14:44
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