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Convert seconds to HH-MM-SS with JavaScript?

... better as pointed out by T.J. Crowder. --update 2 Please use @Frank's a one line solution: new Date(SECONDS * 1000).toISOString().substr(11, 8) It is by far the best solution. share | improve ...
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How can I use Google's Roboto font on a website?

...e fonts are really there. If not, use your own (btw loading all files from one font family normally does not exceed 0.5MB). – Armfoot Aug 12 '13 at 5:47 ...
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What is the difference between Strategy pattern and Dependency Injection?

...ble to swap parts of the implementation. An interface used in DI with only one implementation is very common. A "Strategy" with only one concrete implementation (ever) is not a real problem but is probably closer to DI. shar...
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Use LINQ to get items in one List, that are not in another List

... @Menol - it might be a bit unfair to criticize someone who correctly responds to a question. People shouldn't need to anticipate all the ways and contexts that future people might stumble onto the answer. In reality, you should direct that to nikie - who took the time to sta...
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What is the difference between id and class in CSS, and when should I use them? [duplicate]

...s are useful when you have, or possibly will have in the future, more than one element that shares the same style. An example may be a div of "comments" or a certain list style to use for related links. Additionally, a given element can have more than one class associated with it, while an element...
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Is there a way to change the environment variables of another process in Unix?

On Unix, is there any way that one process can change another's environment variables (assuming they're all being run by the same user)? A general solution would be best, but if not, what about the specific case where one is a child of the other? ...
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When and how should I use a ThreadLocal variable?

... One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance...
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Do subclasses inherit private fields?

...ublic are inherited by subclasses declared in a package other than the one in which the class is declared. This addresses the exact question posed by the interviewer: "do subCLASSES inherit private fields". (emphasis added by me) The answer is No. They do not. OBJECTS of subclasses contain...
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When should Flask.g be used?

...on context. Every request pushes a new application context, wiping the old one, so g can still be used to set flags per-request without change to code. The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connectio...
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How do I clone a Django model instance object and save it to the database?

... run save(). obj = Foo.objects.get(pk=<some_existing_pk>) obj.pk = None obj.save() If you want auto-generated key, set the new key to None. More on UPDATE/INSERT here. Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/queries/#copying-model-instance...