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Imitate Facebook hide/show expanding/contracting Navigation Bar
...ame.size.height * (scrollDiff / scrollHeight))));
This positions the bar based on the last scroll percentage, instead of an absolute amount, which results in a slower fade. The original behavior is more Facebook-like, but I like this one, too.
Note: This solution is iOS 7+ only. Be sure to add th...
Inheriting class methods from modules / mixins in Ruby
... hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
'bar1'
end
end
module ClassMethods
def bar2
'bar2'
end
end
end
class Test
...
What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...y were the only metric, I imagine you would have selected a BLAS or LAPACK based option.
– Catskul
Sep 9 '09 at 17:54
...
How to check if a word is an English word with Python?
...t, because WordNet does not contain all english words.
Another possibility based on NLTK without enchant is NLTK's words corpus
>>> from nltk.corpus import words
>>> "would" in words.words()
True
>>> "could" in words.words()
True
>>> "should" in words.words()
Tru...
Why is there no SortedList in Java?
..., using java.util.Collections.sort().
EDIT:
Lists as data structures are based in what is interesting is the ordering in which the items where inserted.
Sets do not have that information.
If you want to order by adding time, use List. If you want to order by other criteria, use SortedSet.
...
Git Diff with Beyond Compare
...cmd = \"c:/program files/beyond compare 3/bcomp.exe\" "$LOCAL" "$REMOTE" "$BASE" "$MERGED"
Then, I use $ git difftool to compare and $ git mergetool to merge.
About trustExitCode:
For a custom merge command, specify whether the exit code of the merge command can be used to determine whether the m...
How to install PyQt4 on Windows using pip?
...n 3.5, etc.
Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build than just a pure python code package, which means it can be hard to install it from source.
Make sure you grab the correct Windows wheel f...
Update one MySQL table with values from another
I'm trying to update one MySQL table based on information from another.
2 Answers
2
...
What is the logic behind the “using” keyword in C++?
...rning void and accepting double
using PF = void (*)(double); // `using`-based equivalent of the typedef above
using P = [](double)->void; // using plus suffix return type, syntax error
using P = auto(double)->void // Fixed thanks to DyP
Pre-C++11, the using keyword can bring member functio...
Detecting iOS / Android Operating system
...erating system (Apple/Android/Other[not supported]) and modify my elements based on that value.
9 Answers
...