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Resize HTML5 canvas to fit window
...window.innerHeight;
//...drawing code...
}
CSS
html, body {
width: 100%;
height: 100%;
margin: 0;
}
Hasn't had any large negative performance impact for me, so far.
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How to git commit a single file/directory
...licit, git commit -m 'my notes' -- path/to/my/file.ext.
Incidentally, git v1.5.2.1 is 4.5 years old. You may want to update to a newer version (1.7.8.3 is the current release).
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Pretty graphs and charts in Python [closed]
...e.
Today I released version 1.1. If interested, check it out at CairoPlot v1.1
EDIT: After a long and cold winter, CairoPlot is being developed again. Check out the new version on GitHub.
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Understanding __get__ and __set__ and Python descriptors
...2 you need to make sure those divisions are / 5.0 and / 9.0). That gives:
100.0
32.0
Now there are other, arguably better ways to achieve the same effect in python (e.g. if celsius were a property, which is the same basic mechanism but places all the source inside the Temperature class), but that...
List comprehension vs map
...ctly the same function:
$ python -mtimeit -s'xs=range(10)' 'map(hex, xs)'
100000 loops, best of 3: 4.86 usec per loop
$ python -mtimeit -s'xs=range(10)' '[hex(x) for x in xs]'
100000 loops, best of 3: 5.58 usec per loop
An example of how performance comparison gets completely reversed when map ne...
socket.io rooms or namespacing?
...t namespaces and rooms have in common (socket.io v0.9.8 - please note that v1.0 involved a complete rewrite, so things might have changed):
Both namespaces (io.of('/nsp')) and rooms (socket.join('room')) are created on the server side
Multiple namespaces and multiple rooms share the same (WebSocke...
Difference between filter and filter_by in SQLAlchemy
...n't seem to allow for even the very simple conditions such as "price >= 100". So, why have filter_by() function anyway, if you only can use it for the very simplest condition such as "price = 100"?
– PawelRoman
Oct 12 '14 at 20:39
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Unix's 'ls' sort by name
...
mine says 100.jpg comes before 10.jpg. Makes sense I guess if "0" comes before "." but its still not intuitive
– chiliNUT
Nov 22 '17 at 15:58
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How to access the last value in a vector?
...last(NumericVector x) { int n = x.size(); return x[n-1]; }')
options(width=100)
for (n in c(1e3,1e4,1e5,1e6,1e7)) {
x <- runif(n);
print(microbenchmark::microbenchmark(x[length(x)],
mylast(x),
tail(x, n=1),
...
Fastest way to get the first object from a queryset in django?
...tQuery()
And use it like this:
first_object = MyModel.objects.filter(x=100).first()
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