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Why do I have to access template base class members through the this pointer?
...up is deferred until the template parameter is known.
Long answer: when a compiler sees a template, it is supposed to perform certain checks immediately, without seeing the template parameter. Others are deferred until the parameter is known. It's called two-phase compilation, and MSVC doesn't do i...
Is it bad practice to return from within a try catch finally block?
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Python: Is it bad form to raise exceptions within __init__?
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Laravel Eloquent groupBy() AND also return count of each group
...elect('browser', ...) and got everything needed. You're good, you! youtube.com/watch?v=ravi4YtUTxo
– kJamesy
Aug 30 '13 at 13:35
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Python: Why is functools.partial necessary?
..... you end up "faking assignments within an expression" by stretching list comprehension well beyond its design limits...:
>>> f = [f for f in (lambda f: int(s, base=2),)
if setattr(f, 'keywords', {'base': 2}) is None][0]
Now combine the named-arguments overridability, plus th...
Why isn't textarea an input[type=“textarea”]?
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When should I mock?
...nit. Doing otherwise would require way too much mocking/faking, leading to complicated and fragile tests. Only the dependencies that don't really belong to the unit under test should be replaced through mocking.
– Rogério
Aug 26 '10 at 13:58
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What is the best way to detect a mobile device?
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Editor's note: user agent detection is not a recommended technique for modern web apps. See the comments below this answer for confirmation of this fact. It is suggested to use one of the other answers using feature detection and/or media queries.
Instead of using jQue...
How to check if a value exists in a dictionary (python)
...4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38303399085998535, 0.3725...
Proper usage of Optional.ifPresent()
...ument. You're passing it an expression whose type is void. So that doesn't compile.
A Consumer is intended to be implemented as a lambda expression:
Optional<User> user = ...
user.ifPresent(theUser -> doSomethingWithUser(theUser));
Or even simpler, using a method reference:
Optional&l...