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Volatile vs Static in Java

...les. Using volatile variables reduces the risk of memory consistency errors, because any write to a volatile variable establishes a happens-before relationship with subsequent reads of that same variable. This means that changes to a volatile variable are always visible to other threads Have...
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Converting DateTime format using razor

...et both the DataFormatString and set ApplyFormatInEditMode to true for the error to go away and the value to properly display when using EditorFor in my MVC view. – Mark Jun 5 '15 at 21:02 ...
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Use NUnit Assert.Throws method or ExpectedException attribute?

...A test should only test one distinct bit of logic, so wouldn't testing two errors in the same unit test be considered bad practice? – SamuelDavis Feb 22 '13 at 0:03 5 ...
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What are the differences between a pointer variable and a reference variable in C++?

...ontain nullptr. int *p = nullptr; int &r = nullptr; <--- compiling error int &r = *p; <--- likely no compiling error, especially if the nullptr is hidden behind a function call, yet it refers to a non-existent int at address 0 Pointers can iterate over an array; you can use ++ to go...
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Best Practice: Initialize JUnit class fields in setUp() or at declaration?

... the other hand, if an exception is thrown during object construction, the error message simply says JUnit was unable to instantiate the test case and you don't see the line number where the failure occurred, probably because JUnit uses reflection to instantiate the test classes. None of this appli...
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How connect Postgres to localhost server using pgAdmin on Ubuntu?

... If I do that, this error appear Error connecting to the server: fe_sendauth: no password supplied – TuGordoBello Jul 23 '14 at 20:00 ...
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Linux - Replacing spaces in the file names

... Again error mv: missing file argument Try mv --help' for more information. mv: missing file argument Try mv --help' for more information. mv: missing file argument Try mv --help' for more information. mv: missing file argument Try...
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How to reset postgres' primary key sequence when it falls out of sync?

...can occur due to unplanned database shutdowns, transaction rollbacks after errors, etc. – Craig Ringer Sep 20 '17 at 2:04  |  show 12 more com...
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How to access java-classes in the default-package?

...lexically enclosing type is a member of a named package, or a compile-time error occurs. Andreas points out in the comments: "why is [the default package] there in the first place? design error?" No, it's deliberate. JLS 7.4.2. Unnamed Packages says: "Unnamed packages are provided by the Java S...
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Rethrowing exceptions in Java without losing the stack trace

...so advise on adding a message alongside, using throw new YourOwnException("Error while trying to ....", e); – Julien Mar 30 '17 at 9:19 ...