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Is the != check thread safe?

...n a != a; } may produce true. This is the bytecode for test() ALOAD 0 GETFIELD test/Test1.a : Ljava/lang/Object; ALOAD 0 GETFIELD test/Test1.a : Ljava/lang/Object; IF_ACMPEQ L1 ... as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was cha...
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GCM with PHP (Google Cloud Messaging)

... | edited Nov 20 '16 at 10:57 answered Jun 28 '12 at 21:34 ...
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Installing Ruby Gem in Windows

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ASP.NET MVC: No parameterless constructor defined for this object

... answered Sep 1 '10 at 21:46 SandRockSandRock 4,85633 gold badges2626 silver badges4545 bronze badges ...
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In Vim is there a way to delete without putting text in the register?

... | edited Aug 1 '11 at 3:06 ib. 24.6k88 gold badges6767 silver badges8989 bronze badges answered Sep 10...
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What does the keyword Set actually do in VBA?

... | edited Feb 9 '17 at 20:42 TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges answered...
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How can I time a code segment for testing performance with Pythons timeit?

... 280 You can use time.time() or time.clock() before and after the block you want to time. import tim...
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Passing parameters to addTarget:action:forControlEvents

... answered Oct 21 '10 at 14:33 VladimirVladimir 165k3535 gold badges377377 silver badges309309 bronze badges ...
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How do I bind a WPF DataGrid to a variable number of columns?

... { dataGrid.Columns[ne.NewStartingIndex] = ne.NewItems[0] as DataGridColumn; } }; } public static void SetBindableColumns(DependencyObject element, ObservableCollection<DataGridColumn> value) { element.SetValue(BindableColumnsProperty...
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How to obtain the number of CPUs/cores in Linux from the command line?

... unbeliunbeli 25.6k44 gold badges5050 silver badges5555 bronze badges 42 ...