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How can I pass a constant value for 1 binding in multi-binding?

... it is any other primitive data type, you need to define a static resource and reference this. Define the sys namespace in the root of the XAML to point to System in mscorlib, and the following should work: <TextBlock> <TextBlock.Resources> <sys:Int32 x:Key="fixedValue">123...
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JavaScript pattern for multiple constructors

...ors. If you want a function to behave differently depending on the number and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments. function foo(a, b) { if (b===undefined) // par...
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How to force an entire layout View refresh?

...nflate(int, ViewGroup)). The API doc reference is here: http://developer.android.com/reference/android/view/ContextThemeWrapper.html#setTheme%28int%29 Since the onDraw() method works on already instantiated Views, setTheme will not work. I have no experience with themes myself, but two alternativ...
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Why is JSHINT complaining that this is a strict violation?

...l object (window in the browser). In strict mode, this would be undefined, and you would get in trouble. Presumably, you mean to call this function with a bound this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. ...
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When to dispose CancellationTokenSource?

...ll Dispose on CancellationTokenSource... I had a memory leak in my project and it turned out that CancellationTokenSource was the problem. My project has a service, that is constantly reading database and fires off different tasks, and I was passing linked cancellation tokens to my workers, so even...
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“Use the new keyword if hiding was intended” warning

... Your class has a base class, and this base class also has a property (which is not virtual or abstract) called Events which is being overridden by your class. If you intend to override it put the "new" keyword after the public modifier. E.G. public new ...
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How do I test for an empty string in a Bash case statement?

... The case statement uses globs, not regexes, and insists on exact matches. So the empty string is written, as usual, as "" or '': case "$command" in "") do_empty ;; something) do_something ;; prefix*) do_prefix ;; *) do_other ;; esac ...
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ipython: print complete history (not just current session)

... First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history) Then you can use the the get_session_info function to retreive the date and time for the session you are interested ...
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Failed loading english.pickle with nltk.data.load

... I had this same problem. Go into a python shell and type: >>> import nltk >>> nltk.download() Then an installation window appears. Go to the 'Models' tab and select 'punkt' from under the 'Identifier' column. Then click Download and it will install the...
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Check for array not empty: any?

...something or not. This includes things that evaluate to false, such as nil and false. >> a = [] => [] >> a.empty? => true >> a = [nil, false] => [nil, false] >> a.empty? => false >> a = [nil] => [nil] >> a.empty? => false The method any? comes ...