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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
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@JohnPang You could, but since the restriction implied by the annotation isn't guaranteed to be actually enforced, it might not be a good idea.
– matiash
Mar 27 '15 at 20:16
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...n use arbitrary data types for indexing. While this is possible in Vector (by writing an instance of UA for your element type), it isn't the primary goal of Vector -- instead, this is where Repa steps in, making it very easy to use custom data types stored in an efficient manner, thanks to the shape...
Why do access tokens expire?
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Many providers support bearer tokens which are very weak security-wise. By making them short-lived and requiring refresh, they limit the time an attacker can abuse a stolen token.
Large scale deployment don't want to perform a database lookup every API call, so instead they issue self-encoded acc...
Should you ever use protected member variables?
...n issue. In java for example you can hint that the accessor can be inlined by marking it as final. Though honestly, the performance of getters and setters is far less important than dealing with system organization and with the actual performance problems as determined by a profiler.
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Why can't strings be mutable in Java and .NET?
...tly thread-safe; they require no synchronization. They cannot be corrupted by multiple threads
accessing them concurrently. This is far and away the easiest approach
to achieving thread safety. In fact, no thread can ever observe any
effect of another thread on an immutable object. Therefore,
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Is there any difference between DECIMAL and NUMERIC in SQL Server?
...that they are ALMOST the same. At the same time, no recommendation is made by Microsoft regarding one or another (however DECIMAL makes more sense, as it's a standard's datatype instead of a legacy datatype from Sybase). Still wondering what the real difference (behind the screens) is :-).
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...tter way than using http access and that is to use the ssh service offered by github on port 443 of the ssh.github.com server.
We use a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your favorite packaging tool. For MacOSX it is av...
How to add global ASP.Net Web Api Filters?
...C lives under the System.Web.Mvc namespace. The two will happily live side by side, but one does not contain the other and despite the similarities in the programming model, the underlying implementations are different. Just as MVC controllers and Web API controllers inherit different base controlle...
HEAD and ORIG_HEAD in Git
...ortcut for HEAD, since Git 1.8.5
ORIG_HEAD is previous state of HEAD, set by commands that have possibly dangerous behavior, to be easy to revert them. It is less useful now that Git has reflog: HEAD@{1} is roughly equivalent to ORIG_HEAD (HEAD@{1} is always last value of HEAD, ORIG_HEAD is last va...
Private virtual method in C++
...ehavior as needed, without further exposing the virtual functions directly by making them callable by derived classes (as would be possible if the functions were just protected). The point is that virtual functions exist to allow customization; unless they also need to be invoked directly from withi...