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How to customize a Spinner in Android

...pter(adapter); R.layout.simple_spinner_item <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/text1" style="@style/spinnerItemStyle" android:maxLines="1" android:layout_width="match_parent" android:layout_height="wrap_content" ...
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How to concatenate two MP4 files using FFmpeg?

...add this parameter to ffmpeg to make it work: -protocol_whitelist file,tcp,http,pipe – Bensge Oct 5 '17 at 17:08  |  show 4 more comments ...
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings

...mented a solution to handle property dependency on commands, here the link https://stackoverflow.com/a/30394333/1716620 thanks to that you'll end up having a command like this: this.SaveCommand = new MyDelegateCommand<MyViewModel>(this, //execute () => { Console.Write("EXECU...
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Blocks on Swift (animateWithDuration:animations:completion:)

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What are the differences between json and simplejson Python modules?

...son is almost on par with cjson json is about 10x slower than simplejson http://pastie.org/1507411: $ python test_serialization_speed.py -------------------- Encoding Tests -------------------- Encoding: 100000 x {'m': 'asdsasdqwqw', 't': 3} [ json] 1.12385 seconds for 100000 runs. avg: ...
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Adding :default => true to boolean in existing Rails column

...ls 5: change_column_default :products, :approved, from: true, to: false http://edgeguides.rubyonrails.org/active_record_migrations.html#changing-columns Rails 4.2: change_column_default :products, :approved, false http://guides.rubyonrails.org/v4.2/active_record_migrations.html#changing-colu...
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?

...x, i) => i + *lowerBound*); An article describing this in more detail: http://www.2ality.com/2014/05/es6-array-methods.html share | improve this answer | follow ...
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Python list directory, subdirectory, and files

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Auto reloading python Flask app upon code changes

... The current recommended way is with the flask command line utility. https://flask.palletsprojects.com/en/1.1.x/quickstart/#debug-mode Example: $ export FLASK_APP=main.py $ export FLASK_ENV=development $ flask run or in one command: $ FLASK_APP=main.py FLASK_ENV=development flask run I...
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Python - Create a list with initial capacity

...0x slower than other languages due to Python features like decorators etc (https://wiki.python.org/moin/PythonSpeed/PerformanceTips#Data_Aggregation#Data_Aggregation). share | improve this answer ...