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Xcode 4 - detach the console/log window

...o Xcode preferences, and open the Behavior tab. Tell Xcode to open a tab called "Debugger" when "Run Pauses" or "Run Starts". Then run it, and break that Debugging tab out into another window (drag it off the tab bar into its own window by just letting it drop outside the current window). Now refo...
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“Rate This App”-link in Google Play store app on the phone

...constant was deprecated in API level 21. As of API 21 this performs identically to FLAG_ACTIVITY_NEW_DOCUMENT which should be used instead of this. – xnagyg Aug 27 '15 at 12:58 2 ...
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How can I safely create a nested directory?

...r versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my take on it: Try os.path.exists, and consider os.makedirs for the creation. import os if not os.path.exists(directory): os.makedirs(directory) As noted in comments and elsewhere, there's a r...
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How can I catch a “catchable fatal error” on PHP type hinting?

...assA::method_a() must be an instance of ClassB, instance of ClassA given, called in [...] catched: Argument 1 passed to ClassA::method_a() must be an instance of ClassB, instance of ClassWrong given, called in [...] method_a: ClassB method_a: ClassC done. Old answer for pre-php7 versions: http:/...
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HTTP vs HTTPS performance

...any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it? ...
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What does “while True” mean in Python?

...e loop body indefinitely. It's an idiom that you'll just get used to eventually! Most languages you're likely to encounter have equivalent idioms. Note that most languages usually have some mechanism for breaking out of the loop early. In the case of Python it's the break statement in the cmd == 'e...
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@Transactional(propagation=Propagation.REQUIRED)

... such logical transaction scope can determine rollback-only status individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the same physical transactio...
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What is the difference between concurrent programming and parallel programming?

What is the difference between concurrent programming and parallel programing? I asked google but didn't find anything that helped me to understand that difference. Could you give me an example for both? ...
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Why does Pycharm's inspector complain about “d = {}”?

... apparently it is for all these non-useful noisy inspections unfortunately some of my colleagues turn it off altogether, it is a shame because it is useful for many things like PEP, ..., real problems and real performance hints. ...
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation

...e is useful when you need to map a field more than once in an entity, typically: when using a composite key when using a shared primary key when using cascaded primary keys This is IMO not a semantical thing, but definitely a technical one. ...