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Python idiom to return first item or None

...last option is almost exactly what I'm looking for: it's clear, it works, and it doesn't require me to define a new function. I'd say "exactly" if the break were somehow not needed, because the risk of omitting it is not insignificant. But this approach has the ring of truth. ...
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List all base classes in a hierarchy of given class?

... inspect.getmro(cls) works for both new and old style classes and returns the same as NewClass.mro(): a list of the class and all its ancestor classes, in the order used for method resolution. >>> class A(object): >>> pass >>> >&g...
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Convert object string to JSON

...would be much better to just encode the object in valid JSON to begin with and avoid having to parse, encode, then presumably parse it again. HTML supports single-quoted attributes (just be sure to HTML-encode any single quotes inside strings). ...
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Javascript “this” pointer within nested function

...r example, consider the following funciton, function someFunction() { } and the following object, var obj = { someFunction: someFunction }; If you call the function using method syntax such as, obj.someFunciton(); then this is bound to obj. If you call someFunction() directly, such as, so...
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How to pass JVM options from bootRun

...eveloping simple Spring web application that communicates with remote host and I would like to test it locally behind corporate proxy. I use "Spring Boot" gradle plugin and the question is how can I specify proxy settings for JVM? ...
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How does generic lambda work in C++14?

...w does generic lambda work ( auto keyword as an argument type) in C++14 standard? 3 Answers ...
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Can Powershell Run Commands in Parallel?

... have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a ...
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Joining three tables using MySQL

...t", c.name "Course" from student s, bridge b, course c where b.sid = s.sid and b.cid = c.cid share | improve this answer | follow | ...
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Unique ways to use the Null Coalescing operator [closed]

I know the standard way of using the Null coalescing operator in C# is to set default values. 16 Answers ...
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Is there something like Annotation Inheritance in java?

I'm exploring annotations and came to a point where some annotations seems to have a hierarchy among them. 4 Answers ...