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A migration to add unique constraint to a combination of columns
...at that particular combination of unique fields could lead to extreme user/customer frustration in future.
Consider something that's actually unique, like a national identification number, if appropriate.
(I realise I'm very late to the party with this one, but it could help future readers.)
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...B is used in an x86 environment, where Nativex64 will not load, or 2) your customer wants an x86 version of App1.exe, and you compile happily, since NetB is marked as any CPU, but again, Nativex64 at the top of the stack will not load
– Gustavo Mori
Aug 20 '15 ...
What is the meaning of addToBackStack with null parameter?
I have a customer code. There is only one activity for all of the fragments i.e. the single activity is managing all the fragments.
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What is the difference between == and equals() in Java?
...ed to new reference it points to same string in pool. So probably use some custom object example for == and .equals() comparison.
– om252345
Jun 15 '18 at 1:35
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Always pass weak reference of self into block in ARC?
... deallocated). A common example is the use of a repeating NSTimer. Or some custom delegate or other object that is erroneously maintaining a strong reference. You can often use Instruments to track down where objects are getting their strong references, e.g.:
Or in Xcode 5:
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Generic Repository With EF 4.1 what is the point
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You can mock IDbSet you can also define custom interface in your derived context but thats all. Once your code uses ChangeTracker, Entries or what ever else it will require big effort to wrap them all.
– Ladislav Mrnka
Apr 11 ...
What is Gradle in Android Studio?
...Files
Gradle build files use a Domain Specific Language or DSL to define
custom build logic and to interact with the Android-specific
elements of the Android plugin for Gradle.
Android Studio projects consists of 1 or more modules, which are
components that you can build, test, and debug independe...
Parallel.ForEach vs Task.Factory.StartNew
...ppropriate overloads to Parallel.ForEach, if so desired. For details, see Custom Partitioners on MSDN.
The main difference, at runtime, is the second will act asynchronous. This can be duplicated using Parallel.ForEach by doing:
Task.Factory.StartNew( () => Parallel.ForEach<Item>(items,...
Where is a complete example of logging.config.dictConfig?
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Hi @Dave, how can i use a custom class on format from formatters?
– Rafa Acioly
May 8 '19 at 13:22
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KnockOutJS - Multiple ViewModels in a single View
... masterVM, or you could use the $parent / $root in bindings, or some other custom options.
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