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What is the use of making constructor private in a class?
... This is what Sun did for the String class, and a reasonable chunk of the API that should not be extended.
– BobMcGee
Jan 15 '10 at 16:08
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Android: Storing username and password?
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With the new (Android 6.0) fingerprint hardware and API you can do it as in this github sample application.
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
... to fix a warning about a potential retain cycle, when using a block-based API?
7 Answers
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Changing every value in a hash in Ruby
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There is a new 'Rails way' method for this task :)
http://api.rubyonrails.org/classes/Hash.html#method-i-transform_values
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follo...
Detecting input change in jQuery?
...ery .val() method) won't fire any of the events above.
(Reference: https://api.jquery.com/change/).
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Find() vs. Where().FirstOrDefault()
...ist<T> was added with generics in .NET 2.0, and Find was part of the API for that class. Where and FirstOrDefault were added as extension methods for IEnumerable<T> with Linq, which is a later .NET version. I cannot say with certainty that if Linq existed with the 2.0 release that Find w...
What is the rationale behind having companion objects in Scala?
...n underlying Java implementation based delegator and let consumers of your API live in pure world.
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Python list of dictionaries search
... suggested in his comment and provide a default using a slightly different API:
next((item for item in dicts if item["name"] == "Pam"), None)
And to find the index of the item, rather than the item itself, you can enumerate() the list:
next((i for i, item in enumerate(dicts) if item["name"] == "...
Override valueof() and toString() in Java enum
...e enum constants.
BTW - that 'ImmutableMap' type is from the Google guava API, and I definitely recommend it in cases like this.
EDIT - Per the comments:
This solution assumes that each assigned string value is unique and non-null. Given that the creator of the enum can control this, and that ...
Is there a label/goto in Python?
...ython, at least in CPython and PyPy, and not only by misusing the debugger API as that other guy did. You have to mess with the bytecode though.
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