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Property getters and setters
...ft REPL:
15> var pt = Point()
pt: Point = {
_x = 0
}
16> pt.x = 10
17> pt
$R3: Point = {
_x = 20
}
18> pt.x
$R4: Int = 10
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HTML5 Canvas Resize (Downscale) Image High Quality?
....getContext('2d').
getImageData(0, 0, sw, sh).data; // source buffer 8 bit rgba
var tBuffer = new Float32Array(3 * tw * th); // target buffer Float32 rgb
var sR = 0, sG = 0, sB = 0; // source's current point r,g,b
/* untested !
var sA = 0; //source alpha */
for (sy = ...
How to round a number to significant figures in Python
... can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)
0.02
&g...
Naming returned columns in Pandas aggregate function? [duplicate]
...
107
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...)...
How to smooth a curve in the right way?
...ort numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the co...
angular js unknown provider
...
Hi guys, this is a little bit embarassing. I have exactly the same problem. But I cannot spot the difference between the 2 jsFiddles. Any hint on where to look exactly is highly appreciate.
– schacki
Jan 25 '13 a...
Why doesn't JavaScript support multithreading?
...
Never is probably a bit of a too bold statement :) but I still think the advantages of true multithreaded javascript are not feasible in the foreseeable future ;)
– Kamiel Wanrooij
Jun 10 '11 at 14:40
...
What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
...request, but you will have to write a little more code, because it needs a bit more options to call it.
Analogy
It's like you would be able to buy yourself a car engine that you'd have to create a whole car around it with steering, brakes etc... Car manufacturers produce completed cars, with a fri...
Basic http file downloading and saving to disk in python?
...
answered May 14 '19 at 11:10
Om SaoOm Sao
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...
What are OLTP and OLAP. What is the difference between them?
... that they can be efficient and fast.
One way is to make a book that is a bit like a phone book. On each page of the book, we store the information regarding a particular user. Now that's nice, we can find the information for a particular user very easily! Just jump to the page! We can even have a ...