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Close Window from ViewModel

... You can pass the window to your ViewModel using the CommandParameter. See my Example below. I've implemented an CloseWindow Method which takes a Windows as parameter and closes it. The window is passed to the ViewModel via CommandParameter. Note that you need to define an x:Name for the...
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?

... According to the documentation, you should use: from django.db.models import Count Transaction.objects.all().values('actor').annotate(total=Count('actor')).order_by('total') values() : specifies which columns are going to be used to "group by" D...
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MySQL - force not to use cache for testing speed of query

I'm testing the speed of some queries in MySQL. The database is caching these queries making it difficult for me to get reliable results when testing how fast these queries are. ...
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How to do this in Laravel, subquery where in

... query is applying it to table of ProductCategory....right?? or is there something I am missing..? – hhsadiq Jul 7 '15 at 8:03 ...
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Replace all spaces in a string with '+' [duplicate]

... This selected solution is slower on large replacement compared to the reg expression version. Test with the 3 solutions posted: jsbin.com/isadi3/2 Firefox has minimal timing difference, IE has a noticeable difference. So if speed matters and you have a large set of replacem...
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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte

... I had the same issue UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd0 in position 32: invalid continuation byte. I used python 3.6.5 to install aws cli. And when I tried aws --version it failed with this error. So I had to edit /...
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HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?

...dard here is to not answer a question with "just" a link, as links may become invalid. You should include enough information to answer the question directly in your answer, and then have the link as a reference. – Jeffrey Harmon Feb 18 '15 at 19:42 ...
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promise already under evaluation: recursive default argument reference or earlier problems?

... Formal arguments of the form x=x cause this. Eliminating the two instances where they occur we get: f <- function(x, T) { 10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80 } g <- function(x, T, f. = f) { ## 1...
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Can I add jars to maven 2 build classpath without installing them?

Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development. 24 Answers ...
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setuptools: package data folder location

...he files will live on a user's system, which may be Windows, Mac, Linux, some mobile platform, or inside an Egg. You can always find the directory data relative to your Python package root, no matter where or how it is installed. For example, if I have a project layout like so: project/ foo/ ...