大约有 11,700 项符合查询结果（耗时：0.0181秒） [XML]
Matplotlib scatterplot; colour as a function of a third variable
...eral different grayscale colormaps pre-made (e.g. gray, gist_yarg, binary, etc).
import matplotlib.pyplot as plt
import numpy as np
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
plt.scatter(x, y, c=y, s=500, cmap='gray')
plt.show()
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How to flatten tree via LINQ?
...s IEnumerable<T> items,
Func<T, IEnumerable<T>> getChildren)
{
var stack = new Stack<T>();
foreach(var item in items)
stack.Push(item);
while(stack.Count > 0)
{
var current = stack.Pop();
yield return current;
...
How do you run your own code alongside Tkinter's event loop?
...e python script once exiting the gui. Something like while app.is_alive(): etc
– m3nda
Dec 23 '19 at 12:59
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Emulate ggplot2 default color palette
...ically, @DidzisElferts shows how you can get all the colours, coordinates, etc that ggplot uses to build a plot you created. Very nice!
p <- ggplot(mpg,aes(x=class,fill=class)) + geom_bar()
ggplot_build(p)$data
[[1]]
fill y count x ndensity ncount density PANEL group ymin ymax xmin xmax
1...
Why does C++ compilation take so long?
...
You could tell from the same argumentation that C, Pascal etc. compilers are slow, which is not true on average. It has more to do with C++'s grammar and the huge state that a C++ compiler has to maintain.
– Sebastian Mach
Jun 10 '11 at 8:40
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...constant folding, transformation of a switch statement into binary search, etc. Thus the benefits to be gained by allowing the compiler to optimize data structures appear to be less tangible than traditional compiler optimizations.
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...eck between January and July (or February and August, March and September, etc.) because they are 6 month apart.
– kpull1
Apr 4 '19 at 6:39
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Class type check in TypeScript
...checking so you can do Std.is(pet, Fish), which works on types, interfaces etc.
– Mark Knol
Nov 21 '16 at 14:58
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Are PHP short tags acceptable to use?
... to discuss the "big questions" like why we're here, how did it all begin, etc. Shorttag support is not guaranteed on shared servers and it's being removed completely next major version. That's all you need to know.
– Oli
Dec 1 '09 at 11:49
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How to serialize SqlAlchemy result to JSON?
...ich uses your toDict method and a custom encoder for handling dates, blobs etc
– FredL
Apr 15 '13 at 10:17
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