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“Treat all warnings as errors except…” in Visual Studio
...tribute. An ObsoleteAttribute without comment generates the error 612, and one with a comment generates 618.
– Marco Spatz
Mar 30 '11 at 11:00
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Debugging sqlite database on the device
...for your app to have WRITE_EXTERNAL_STORAGE permission, as the copying is done by the shell user who can always write to the external storage.
On Linux/Mac systems there is a possibility to copy a database directly to your computer with the following command one can use without entering the adb she...
What is the difference between Strategy pattern and Dependency Injection?
...ble to swap parts of the implementation. An interface used in DI with only one implementation is very common. A "Strategy" with only one concrete implementation (ever) is not a real problem but is probably closer to DI.
shar...
Use LINQ to get items in one List, that are not in another List
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@Menol - it might be a bit unfair to criticize someone who correctly responds to a question. People shouldn't need to anticipate all the ways and contexts that future people might stumble onto the answer. In reality, you should direct that to nikie - who took the time to sta...
How can I use Google's Roboto font on a website?
...e fonts are really there. If not, use your own (btw loading all files from one font family normally does not exceed 0.5MB).
– Armfoot
Aug 12 '13 at 5:47
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Is there a way to change the environment variables of another process in Unix?
On Unix, is there any way that one process can change another's environment variables (assuming they're all being run by the same user)? A general solution would be best, but if not, what about the specific case where one is a child of the other?
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Do subclasses inherit private fields?
...ublic are inherited by subclasses
declared in a package other than the
one in which the class is declared.
This addresses the exact question posed by the interviewer: "do subCLASSES inherit private fields". (emphasis added by me)
The answer is No. They do not. OBJECTS of subclasses contain...
When and how should I use a ThreadLocal variable?
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One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance...
How do I clone a Django model instance object and save it to the database?
... run save().
obj = Foo.objects.get(pk=<some_existing_pk>)
obj.pk = None
obj.save()
If you want auto-generated key, set the new key to None.
More on UPDATE/INSERT here.
Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/queries/#copying-model-instance...
How to use ELMAH to manually log errors
...ption. Log method does not.
Raise is subscription based and is able to log one exception into the several loggers.
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