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@Nullable annotation usage

...e says that this parameter might be null. A good example of such behaviour can be found in Google Guice. In this lightweight dependency injection framework you can tell that this dependency might be null. If you would try to pass null without an annotation the framework would refuse to do it's job. ...
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XML Document to String

... and the writer.getBuffer().toString() can just be writer.toString() – bvdb Jun 1 '17 at 10:23 ...
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Tuning nginx worker_process to obtain 100k hits per min

...eeds a filehandle (or 2 if you are proxying) # Total amount of users you can serve = worker_processes * worker_connections more info: Optimizing nginx for high traffic loads share | improve this...
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How to redirect Valgrind's output to a file?

...th Valgrind tool, i need to log the details produced by valgrind tool. How can I accomplish that? I tried something like, 3...
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Boolean literals in PowerShell

...nguage-level literals for booleans. Depending on where you need them, you can also use anything that coerces to a boolean value, if the type has to be boolean, e.g. in method calls that require boolean (and have no conflicting overload), or conditional statements. Most non-null objects are true, fo...
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UITextField - capture return button event

How can I detect when a user pressed "return" keyboard button while editing UITextField? I need to do this in order to dismiss keyboard when user pressed the "return" button. ...
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Undo VS 'Exclude from project'?

...e showing all files. There is a button at the top of the Solution Explorer called "Show All Files". To see this button, make sure that your project is selected in the solution explorer. Show All Files When this option is active, the file should be there, just grayed out. Right click it, and selec...
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Matplotlib transparent line plots

... I can't see where the alpha parameter is documented. Could you update the answer to include where this is documented? – Alex Spurling Dec 13 '17 at 13:45 ...
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how to restart only certain processes using supervisorctl?

... process1, process2, ..., process8. If I want to restart process{1-4}, how can I do that with supervisorctl? 2 Answers ...
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How can I remove a pytz timezone from a datetime object?

..._tz.replace(tzinfo=None) If you are using a library like arrow, then you can remove timezone by simply converting an arrow object to to a datetime object, then doing the same thing as the example above. # <Arrow [2014-10-09T10:56:09.347444-07:00]> arrowObj = arrow.get('2014-10-09T10:56:09.3...