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How can I use if/else in a dictionary comprehension?

...ues_of_key2': {'bar', 'foo'}, 'a_not_in_values_of_key3': {'sad', 'so'}} Now let's suppose you have two dictionaries like this d1 = {'bad_key1': {'a', 'b', 'c'}, 'bad_key2': {'foo', 'bar'}, 'bad_key3': {'so', 'sad'}} d2 = {'good_key1': {'foo', 'bar', 'xyz'}, 'good_key2': {'a', 'b', 'c'}} and yo...
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How to bind multiple values to a single WPF TextBlock?

... I know this is a way late, but I thought I'd add yet another way of doing this. You can take advantage of the fact that the Text property can be set using "Runs", so you can set up multiple bindings using a Run for each one. Th...
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How to split a column into two columns?

...ing the power of the str.extract() method. But for a simple split over a known separator (like, splitting by dashes, or splitting by whitespace), the .str.split() method is enough1. It operates on a column (Series) of strings, and returns a column (Series) of lists: >>> import pandas as p...
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Get time difference between two dates in seconds

... time difference between now and 10 minutes later using momentjs let start_time = moment().format('YYYY-MM-DD HH:mm:ss'); let next_time = moment().add(10, 'm').format('YYYY-MM-DD HH:mm:ss'); let diff_milliseconds = Date.parse(next_time) - Date.pars...
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@RequestParam in Spring MVC handling optional parameters

... As part of Spring 4.1.1 onwards you now have full support of Java 8 Optional (original ticket) therefore in your example both requests will go via your single mapping endpoint as long as you replace required=false with Optional for your 3 params logout, name, p...
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iOS app error - Can't add self as subview

I received this crash report, but I don't know how to debug it. 19 Answers 19 ...
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Can you pass parameters to an AngularJS controller on creation?

...e. Soon you'll want to re-use that template, but with different config and now in order to do so you'll either be pre-processing the templates to inject variables before it gets passed to angular or using massive directives to spit out giant blocks of HTML so you re-use all of the controller HTML ex...
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing

... comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment has been changed to an answer. However, when I answered this question by msyself I intended to help other people by directly providing the solution. This should not be forgotten and so far ...
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

... Updated Now with improved recursion depth! Works on MSVC10 and GCC without increased depth. :) Simple compile-time recursion + addition: template<unsigned Cur, unsigned Goal> struct adder{ static unsigned const sub_goal =...
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jQuery attr vs prop?

Now this isn't just another What's the difference question , I have done some tests(http://jsfiddle.net/ZC3Lf/) modifying the prop and attr of <form action="/test/"></form>​ with the output being: ...