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How to make div background color transparent in CSS

... /*Note - Opacity value can be anything between 0 to 1; Eg(0.1,0.8)etc */ share | improve this answer | follow | ...
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Java SafeVarargs annotation, does a standard or best practice exist?

... as an argument to a parameter of type T[], getting the array type using .getClass(), passing it to methods that depend on the runtime type of the array, like List.toArray() and Arrays.copyOf(), etc. 2) The distinction I mentioned above is too complicated to be easily distinguished automatically. ...
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Creating JS object with Object.create(null)?

...t be an empty string, might be false, or null, or undefined, or 0, or NaN, etc. To check whether a property exists at all, you would still need to use Object.prototype.hasOwnProperty.call(p, someKey). share | ...
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filter items in a python dictionary where keys contain a specific string

... You can use the built-in filter function to filter dictionaries, lists, etc. based on specific conditions. filtered_dict = dict(filter(lambda item: filter_str in item[0], d.items())) The advantage is that you can use it for different data structures. ...
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Is the creation of Java class files deterministic?

...n efficient "online update" of our application for which users would only fetch modified JARs from the website. I can create identical JARs having identical class files as input. But the question is whether class files are always identical when compiled from the same source files. Our whole concept ...
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Difference between except: and except Exception as e: in Python

... you can use the infomration in the exception (type, message, stack trace, etc) to handle the exception in a more specially tailored manor. share | improve this answer | foll...
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How do MySQL indexes work?

... lower, middle and top 3: Is higher or lower? Jump to middle point again, etc. Using that logic, you can find an element in a sorted list in about 7 steps, instead of checking every item. Obviously there are complexities, but that gives you the basic idea. ...
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AngularJS : Prevent error $digest already in progress when calling $scope.$apply()

...evity, the rest of the service -- that set up variables, injected $timeout etc. -- has been left off.) window.gapi.client.load('oauth2', 'v2', function() { var request = window.gapi.client.oauth2.userinfo.get(); request.execute(function(response) { // This happens outside of angular...
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Efficient way to apply multiple filters to pandas DataFrame or Series

...i'd used: df[f_2 & f_3 & f_4 & f_5 ] with f_2 = df["a"] >= 0etc. No need for that function... (nice use of higher order function though...) – A. Rabus Aug 29 '19 at 8:29 ...
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Securing my REST API with OAuth while still allowing authentication via third party OAuth providers

..., you are talking about authenticating using Open-ID, or facebook identity etc. This is yet another question you need to ask yourself. But it really falls outside the scope of APIs and OAuth. To me, that feels more of a question of user creation in your service. I may be wrong. ...