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How to get the name of enumeration value in Swift?

... on each case to return a string literal. In addition, this works automatically for any enum, even if no raw-value type is specified. debugPrint(_:) & String(reflecting:) can be used for a fully-qualified name: debugPrint(city) // prints "App.City.Melbourne" (or similar, depending on the full ...
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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...
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What is the difference between Python's list methods append and extend?

... Actually there's a big difference - x + [4, 5] gives you a new list assigned to x - x.extend() mutates the original list. I elaborate in my answer here below. – Aaron Hall♦ Jul 17 '17 at 1...
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Get Android Phone Model programmatically

...uld like to know if there is a way for reading the Phone Model programmatically in Android. 16 Answers ...
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How to convert SQL Query result to PANDAS Data Structure?

... that will do the job: from pandas import DataFrame df = DataFrame(resoverall.fetchall()) df.columns = resoverall.keys() You can go fancier and parse the types as in Paul's answer. share | improv...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

... That's basically the way to do it, there is no shortcut readily available AFAIK. You could generalize it ofcourse: def get_or_create(session, model, defaults=None, **kwargs): instance = session.query(model).filter_by(**kwargs).firs...
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Combine two ActiveRecord::Relation objects

...lation.or(last_name_relation) † Only in ActiveRecord 5+; for 4.2 install the where-or backport. share | improve this answer | follow | ...
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Cleanest way to write retry logic?

...n you have long running batch jobs that use network resources, such as web services, you can't expect the network to be 100% reliable. There are going to be occasional timeouts, socket disconnects, possibly even spurious routing glitches or server outages that occur while you are using it. One opt...
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Wait for page load in Selenium

... does this really work all the time? Maybe Im missing something from your code but you are waiting for the dom to be in ready state. But consider that if your code executes too fast the previous page might not be unloaded yet and it will ...
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How to fully remove Xcode 4

I want to remove all existing SDK versions as well as Xcode 4. 7 Answers 7 ...