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Any reason to clean up unused imports in Java, other than reducing clutter?
...list interface.
In Eclipse you can always use a shortcut (depends on OS - Win: Ctrl + SHIFT + O and Mac: COMMAND + SHIFT + O) to organize the imports. Eclipse then cleans up the import section removes all the stale imports etc. If you are needing a imported thing again eclipse will add them automat...
Image comparison - fast algorithm
...eat for all images in the database, and the match with the smallest result wins. You'd probably want to have a threshold, above which the algorithm concludes that no match was found.
Third Choice - Keypoints + Decision Trees
A third approach that is probably much faster than the other two is us...
How to check if AlarmManager already has an alarm set?
...
Following up on the comment ron posted, here is the detailed solution. Let's say you have registered a repeating alarm with a pending intent like this:
Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION");
PendingIntent...
Functional programming - is immutability expensive? [closed]
...bvious disadvantages of a functional quicksort implementation. In the following, let’s consider this reference implementation in Haskell (I don’t know Scala …) from the Haskell introduction:
qsort [] = []
qsort (x:xs) = qsort lesser ++ [x] ++ qsort greater
where lesser = (filter (<...
Is Python strongly typed?
...design choice made when + was implemented, but not really a necessity following from the language's semantics. In fact, when you overload + on a custom type, you can make it implicitly convert anything to a number:
def to_number(x):
"""Try to convert function argument to float-type object."""
...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
...efulness, numpy.__config__ should really be a public API. Nonetheless, you win this round, davost.
– Cecil Curry
Feb 5 '16 at 5:51
2
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Why is quicksort better than mergesort?
...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out.
In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
How to apply multiple styles in WPF
.... I also have a separate style which I would like to add to it without blowing away the first one. The styles have different TargetTypes, so I can't just extend one with the other.
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UILabel sizeToFit doesn't work with autolayout ios6
...rther.
To make your label automatically resize height you need to do following:
Set layout constrains for label
Set height constraint with low priority. It should be lower than ContentCompressionResistancePriority
Set numberOfLines = 0
Set ContentHuggingPriority higher than label's height priori...
Explanation of JSONB introduced by PostgreSQL
...storage «as is»
jsonb: no whitespaces
jsonb: no duplicate keys, last key win
jsonb: keys are sorted
More in speech video and slide show presentation by jsonb developers. Also they introduced JsQuery, pg.extension provides powerful jsonb query language
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