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How do I define and use an ENUM in Objective-C?

... that's #imported into your header), because otherwise the compiler won't know what size to make the PlayerState ivar. Other than that, it looks ok to me. share | improve this answer | ...
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You have already activated X, but your Gemfile requires Y

...is. Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake. Yehuda Katz (one of the origi...
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@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)

..., but it's an invalid use of the framework because // Mockito doesn't know what method call to verify. But Mockito can't report // it yet, because the call to the method that's being verified might // be yet to happen. verify(myMock); } @Test public void test3() { // ERROR 2...
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Is null check needed before calling instanceof?

... was part of Java 1.0, released almost 20 years ago. Changing the behavior now in a way that would break existing code is unlikely, absent some benefit that outweighs that huge cost. Twenty years ago, maybe there could have been arguments for returning true iff the argument could be cast, or throwin...
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How do I check out a specific version of a submodule using 'git submodule'?

...v2.0 Previous HEAD position was 5c1277e... bumped version to 2.0.5 HEAD is now at f0a0036... version 2.0 git-status on the parent repository will now report a dirty tree: # On branch dev [...] # # modified: submodule (new commits) Add the submodule directory and commit to store the new po...
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Difference between core and processor

...t the single CPU into two virtual CPUs i.e we have two cores for our task. Now the CPU is single, but it is only pretending (masqueraded) that it has a dual CPU and performs multiple tasks. But having real multiple cores will be better than that so people develop making multi-core processor i.e. mul...
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Oracle TNS names not showing when adding new connection to SQL Developer

... line: echo %TNS_ADMIN% From linux: echo $TNS_ADMIN Restart SQL Developer Now in SQL Developer right click on Connections and select New Connection.... Select TNS as connection type in the drop down box. Your entries from tnsnames.ora should now display here. ...
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Installing Java 7 on Ubuntu

...ind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays. In Ubuntu 16.04 and higher, Java 7 is no longer available. Usually you're best off installing Java 8 (or 9) instead. sudo apt-get install openjdk-8-jre or, f you also want the compiler, get the jdk: sudo apt-...
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Will Dart support the use of existing JavaScript libraries?

... The answer is now Yes! Dart now ships a JS-interop library to use existing JavaScript code with your Dart app. Learn more here: https://www.dartlang.org/articles/js-dart-interop/ ...
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Getting a random value from a JavaScript array

...ple = function(){ return this[Math.floor(Math.random()*this.length)]; } Now: [1,2,3,4].sample() //=> a random element Code released into the public domain under the terms of the CC0 1.0 license. share | ...