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Why java.util.Optional is not Serializable, how to serialize the object with such fields
...e Serializable?" The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The intent is that ...
What is the difference between gravity and layout_gravity in Android?
.... Every time, I think "layout_gravity" means "the gravity for how this ViewGroup lays out it's contents", and "gravity" is "where this View gravitates to".
– Ogre
Aug 9 '13 at 5:29
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How do I remove the Devise route to sign up?
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I tried to do this as well, but a thread on the devise google group dissuaded me from searching for a really clean solution.
I'll quote José Valim (the Devise maintainer) :
There isn't a straight-forward option. You can either provide a patch
or use :skip => :registerable and...
What is console.log?
...ce go to http://getfirebug.com/logging and I suggest you read it. (Traces, groups, profiling, object inspection).
Hope this helps!
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Storing C++ template function definitions in a .CPP file
...o the C/C++ standard of pairs of c[pp]/h for each class/namespace/whatever grouping you use. People seem to still use monolithic header files simply because this alternative is not widely used or known.
– Cameron Tacklind
Mar 29 '17 at 20:06
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Naming convention for unique constraint
... Key
FK: Foreign Key
IX: IndeX
CK: ChecK
DF: DeFault
I generally want to group metadata/system catalog data by the controlling object rather than by object type.
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What is the difference between Nexus and Maven?
... advantage of merging many repositories and exposing them via
a repository group. Setting this up is documented in the chapter in addition to the configuration used by
specific tools.
Details
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When - and why - should you store data in the Windows Registry?
...ttings in a file (WIN.INI) in the Windows folder - use section headings to group data (Win3.0).
Problem: WIN.INI file grew too big (and got messy).
Solution: Store settings in INI files in the same folder as the application (Win3.1).
Problem: Need user-specific settings.
Solution: Store user-setting...
How to start working with GTest and CMake
...ore background information in this CMake thread in the googletestframework group.
[edit]
The BUILD_SHARED_LIBS option is only effective on Windows for now. It specifies the type of libraries that you want CMake to build. If you set it to ON, CMake will build them as DLLs as opposed to static libs. ...
NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
...mentation whatsoever! eg: Try finding what Trait really does or if you can group different tests within single parent test (eg. all tests within a testfixture). nUnit creates a great hierarchical view instead of xUnit's flat view of tests. Plus the nomenclature makes no sense - facts and theory? Be ...