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UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
... has to do with transitions. It seems that if a previous transition didn't complete and you launch a new one, iOS7 messes the views, where iOS6 seems to manage it correctly.
You should initialize your Camera in your UIViewController, only after the view has Loaded and with a timeout:
- (void)viewD...
Why does .NET use banker's rounding as default?
...on, the decimal.Round method uses a round-to-even algorithm which is not common for most applications. So I always end up writing a custom function to do the more natural round-half-up algorithm:
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What is polymorphism, what is it for, and how is it used?
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If you think about the Greek roots of the term, it should become obvious.
Poly = many: polygon = many-sided, polystyrene = many styrenes (a), polyglot = many languages, and so on.
Morph = change or form: morphology = study of biological form, Morpheus = the Greek god of dreams able ...
Log all requests from the python-requests module
...ly enough, I do not see the access_token in the OAuth request. Linkedin is complaining about unauthorized request, and I want to verify whether the library that I am using (rauth on top of requests) is sending that token with the request. I was expecting to see that as a query parameter, but maybe i...
JUnit test for System.out.println()
...als("hello again", errContent.toString());
}
I used this code to test the command line option (asserting that -version outputs the version string, etc etc)
Edit:
Prior versions of this answer called System.setOut(null) after the tests; This is the cause of NullPointerExceptions commenters refer to....
Test whether a glob has any matches in bash
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Bash specific solution:
compgen -G "<glob-pattern>"
Escape the pattern or it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is t...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...em basically duplicates the lookup functionality, which is the bulk of the computation in this case.
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What does void* mean and how to use it?
... * or do pointer arithmetic with it; you must convert it to a pointer to a complete data type first.
void * is often used in places where you need to be able to work with different pointer types in the same code. One commonly cited example is the library function qsort:
void qsort(void *base, siz...
Accessing members of items in a JSONArray with Java
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For more complex JSON found this nice solution per examples.javacodegeeks.com/core-java/json/…
– vikramvi
Jun 29 '16 at 14:47
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