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Correct approach to global logging in Golang

... Create a single log.Logger and pass it around? That is possible. A log.Logger can be used concurrently from multiple goroutines. Pass around a pointer to that log.Logger? log.New returns a *Logger which is usually an indication that yo...
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YouTube iframe API: how do I control an iframe player that's already in the HTML?

...0 dispatch @ jquery-1.12.4.js:5226 elemData.handle @ jquery-1.12.4.js:4878 cast_sender.js:67 Uncaught DOMException: Failed to construct 'PresentationRequest': Presentation of an insecure document [cast:233637DE?capabilities=video_out%2Caudio_out&clientId=153262711713390989&autoJoinPolicy=tab...
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How do I check OS with a preprocessor directive?

...them, with links to where they're found: Windows _WIN32   Both 32 bit and 64 bit _WIN64   64 bit only Unix (Linux, *BSD, Mac OS X) See this related question on some of the pitfalls of using this check. unix __unix __unix__ Mac OS X __APPLE__ __MACH__ Both are defined; checking for eith...
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Getting a better understanding of callback functions in JavaScript

... Why do you cast callback to string and then check its type? Will this enhance performance? This is like checking the type, checking if the converted boolean returns true and then checking its type again and testing it against the string...
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Get an object's class name at runtime

... @Subash a terser way to avoid casting to any is console.log(instance.constructor['name']); – Nick Strupat Sep 2 '16 at 7:47 1 ...
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Asp Net Web API 2.1 get client IP address

... It's better to cast it to HttpContextBase, this way you can mock and test it more easily public string GetUserIp(HttpRequestMessage request) { if (request.Properties.ContainsKey("MS_HttpContext")) { var ctx = request....
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Find full path of the Python interpreter?

... @JohnFreeman: I tried this on a GNU/Linux box w/ GNU coreutils 8.4 (env) and Python 3.4.2. #!/usr/bin/env python3 will return the correct full binary path via sys.executable. Perhaps your OS or Python version behaves slightly differently. – kevinarpe May 22...
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Java generics type erasure: when and what happens?

...cs are used, they're converted into compile-time checks and execution-time casts. So this code: List<String> list = new ArrayList<String>(); list.add("Hi"); String x = list.get(0); is compiled into List list = new ArrayList(); list.add("Hi"); String x = (String) list.get(0); At exe...
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How to reliably open a file in the same directory as a Python script

...ame directory as the currently running Python script by simply using a command like 5 Answers ...
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How to dynamically create generic C# object using reflection? [duplicate]

...from Item task.Process(new Item()); In any case, you won't be statically cast to a type you don't know beforehand ("makeme" in this case). ITask allows you to get to your target type. If this is not what you want, you'll probably need to be a bit more specific in what you are trying to achieve wi...