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Preventing Laravel adding multiple records to a pivot table

... The $id parameter for the method attach() is mixed, it can be an int or instance of model ;) - see github.com/laravel/framework/blob/master/src/Illuminate/… – Rob Gordijn Jul 5 '13 at 8:08 ...
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What is a semaphore?

... } public static void OpenNightclub() { for (int i = 1; i <= 50; i++) { // Let each guest enter on an own thread. Thread thread = new Thread(new ParameterizedThreadStart(Guest)); thread.Start(i); ...
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Why can't enum's constructor access static fields?

... } } Static initialization of this enum type would throw a NullPointerException because the static variable colorMap is uninitialized when the constructors for the enum constants run. The restriction above ensures that such code won’t compile. Note that the example can easily be...
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Why we should not use protected static in java

...oid main (String[] args) throws java.lang.Exception { System.out.println(new Test2().getTest()); Test.test = "changed"; System.out.println(new Test2().getTest()); } } abstract class Test { protected static String test = "test"; } class Test2 extends Test { publi...
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Separation of JUnit classes into special test package?

... I prefer putting the test classes into the same package as the project classes they test, but in a different physical directory, like: myproject/src/com/foo/Bar.java myproject/test/com/foo/BarTest.java In a Maven project it would look like this: myproject...
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Why do C++ libraries and frameworks never use smart pointers?

I read in a few articles that raw pointers should almost never be used. Instead they should always be wrapped inside smart pointers, whether it's scoped or shared pointers. ...
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Asynctask vs Thread in android

... For long-running or CPU-intensive tasks, there are basically two ways to do this: Java threads, and Android's native AsyncTask. Neither one is necessarily better than the other, but knowing when to use each call is essential to leveraging the syste...
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Android: How can I get the current foreground activity (from a service)?

... easy way to do that (like the one I suggested above)? Send a broadcast Intent to the activity -- here is a sample project demonstrating this pattern Have the activity supply a PendingIntent (e.g., via createPendingResult()) that the service invokes Have the activity register a callback or listen...
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What is the reason for performing a double fork when creating a daemon?

...onfusing. A better idiom might be fork-decouple-fork. Additional links of interest: Unix processes - http://www.win.tue.nl/~aeb/linux/lk/lk-10.html share | improve this answer | ...
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How do you clear a slice in Go?

... Interesting. Is there any other way to remove all elements from the underlying array of the slice while leaving the underlying capacity unchanged? – Chris Weber Jun 6 '13 at 21:07 ...