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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

... Scott Dorman is correct. Calling the built-in Add method will trigger something like 3 events per add (a NotifyPropertyChange for item count, NotifyPropertyChange for item indexing[] and an NotifyCollectionChanged event for the item added). To get the...
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”

... You could try a solution posted here or here. Basically, add some lines to your ~/.bash_profile: export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of l...
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When to use Comparable and Comparator

... | Comparable | Comparator ._______________________________________________________________________________ Is used to allow Collections.sort to work | yes | yes Can compare multiple fields | yes ...
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Redirecting to URL in Flask

...eturn a redirect: import os from flask import Flask,redirect app = Flask(__name__) @app.route('/') def hello(): return redirect("http://www.example.com", code=302) if __name__ == '__main__': # Bind to PORT if defined, otherwise default to 5000. port = int(os.environ.get('PORT', 5000)...
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How to insert element into arrays at specific position?

... The second array does have an order... All arrays have, as they're also double linked lists. – Artefacto Jul 28 '10 at 16:06 5 ...
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”

...e source it's difficult to know the root cause, so I'll have to speak generally. UnicodeDecodeError: 'ascii' codec can't decode byte generally happens when you try to convert a Python 2.x str that contains non-ASCII to a Unicode string without specifying the encoding of the original string. In bri...
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Read only file system on Android

... Not all phones and versions of android have things mounted the same. Limiting options when remounting would be best. Simply remount as rw (Read/Write): # mount -o rw,remount /system Once you are done making changes, remount t...
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]

I'd like to write a test script or program that asserts that all DLL files in a given directory are of a particular build type. ...
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?

... of power functions (and others). C++11 [c.math] /11 states, after listing all the float/double/long double overloads (my emphasis, and paraphrased): Moreover, there shall be additional overloads sufficient to ensure that, if any argument corresponding to a double parameter has type double or an...
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What does the “__block” keyword mean?

What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know... ...