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Array extension to remove object by value
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extension Array where Element:Equatable {
public mutating func remove(_ item:Element ) {
var index = 0
while index < self.count {
if self[index] == item {
self.remove(at: index)
} else {
index += 1
}
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How to make PDF file downloadable in HTML link?
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TravisOTravisO
8,88833 gold badges3232 silver badges4444 bronze badges
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C++ templates that accept only certain types
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I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library:
template<typename T>
class ObservableList {
BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma will b...
Rolling or sliding window iterator?
...f window(seq, n=2):
it = iter(seq)
win = deque((next(it, None) for _ in xrange(n)), maxlen=n)
yield win
append = win.append
for e in it:
append(e)
yield win
In my tests it handily beats everything else posted here most of the time, though pillmuncher's tee versi...
Is it better to call ToList() or ToArray() in LINQ queries?
...c reference-type System.SZArrayHelper+SZGenericArrayEnumerator`1[System.Int32] but of course this is an implementation detail.
Now, if I change .ToArray() into .ToList(), I get only:
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followed by a System.InvalidOperationException blow-up saying:
Collection was modified; enumeration ...
How do I write good/correct package __init__.py files
...rtelli
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Does C have a “foreach” loop construct?
...ing cleverness to it. Kernighan's aphorism (stackoverflow.com/questions/1103299/…) applies!
– Donal Fellows
Jul 22 '10 at 23:25
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What is the copy-and-swap idiom?
...nclude <algorithm> // std::copy
#include <cstddef> // std::size_t
class dumb_array
{
public:
// (default) constructor
dumb_array(std::size_t size = 0)
: mSize(size),
mArray(mSize ? new int[mSize]() : nullptr)
{
}
// copy-constructor
dumb_array(...
Python - Create a list with initial capacity
...ook 118.00003051757812 ms
prealloc_array_by_extending took 102.99992561340332 ms
prealloc_array took 3.000020980834961 ms
prealloc_array took 49.00002479553223 ms
prealloc_array took 316.9999122619629 ms
prealloc_array took 473.00004959106445 ms
prealloc_array took 1677.9999732971191 ms
prealloc_arr...
tmux set -g mouse-mode on doesn't work
...ke scrolling with wheels work
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
bind -n WheelDownPane select-pane -t= \; send-keys -M
This will enable scrolling on hover over a pane and y...
