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Why are flag enums usually defined with hexadecimal values

... dealing with numbers in the arbitrary human-invented world of base ten anymore. We're dealing with bits - the machine's world - and we're gonna play by its rules." Hexadecimal is rarely used unless you're dealing with relatively low-level topics where the memory layout of data matters. Using it ...
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How can I avoid Java code in JSP files, using JSP 2?

... Testability: scriptlets are not unit-testable. Maintainability: per saldo more time is needed to maintain mingled/cluttered/duplicated code logic. Sun Oracle itself also recommends in the JSP coding conventions to avoid use of scriptlets whenever the same functionality is possible by (tag) classe...
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How do I select elements of an array given condition?

... I get "ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()" – ru111 Dec 7 '17 at 20:15 ...
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Sending event when AngularJS finished loading

...ng-element-ready="$emit('someEvent')"> ... <div> EDIT, even more few minutes later: @satchmorun's answer works too, but only for the initial load. Here's a very useful SO question that describes the order things are executed including link functions, app.run, and others. So, dependin...
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How do I convert from int to String?

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Is it possible to simulate key press events programmatically?

... bug in Chromium with KeyboardEvent dispatching. Check out this thread for more details: stackoverflow.com/questions/10455626/…. – Philip Nuzhnyy Sep 21 '12 at 18:12 28 ...
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How to run .APK file on emulator [duplicate]

...een), then you will find your file in the launcher of your emulator. For more info can check this link : android videos share | improve this answer | follow ...
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How to change value of process.env.PORT in node.js?

... For just one run (from the unix shell prompt): $ PORT=1234 node app.js More permanently: $ export PORT=1234 $ node app.js In Windows: set PORT=1234 In Windows PowerShell: $env:PORT = 1234 share | ...
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how to solve “ruby installation is missing psych” error?

... all rubies with rvm reinstall all --force. It might be useful if you have more than one. – Haralan Dobrev Nov 10 '12 at 15:36 ...
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Fade In Fade Out Android Animation in Java

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