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why is plotting with Matplotlib so slow?
... 'y-', 'm-', 'k-', 'c-']
lines = [ax.plot(x, y, style)[0] for ax, style in zip(axes, styles)]
fig.show()
tstart = time.time()
for i in xrange(1, 20):
for j, line in enumerate(lines, start=1):
line.set_ydata(np.sin(j*x + i/10.0))
fig.canvas.draw()
print 'FPS:' , 20/(time.time()-tst...
How do I install and use curl on Windows?
...
Assuming you got it from https://curl.haxx.se/download.html, just unzip it wherever you want. No need to install. If you are going to use SSL, you need to download the OpenSSL DLLs, available from curl's website.
shar...
Utilizing multi core for tar+gzip/bzip compression/decompression
...normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
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Pythonic way to check if a list is sorted or not
...eger indexing:
# python2 only
if str is bytes:
from itertools import izip as zip
def is_sorted(l):
return all(a <= b for a, b in zip(l, l[1:]))
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java.nio.file.Path for a classpath resource
...e), or having to open and thus safely close the filesystem ourselves (like zip/jar files).
Therefore, the solution above encapsulates the actual action in an interface, handles both cases, safely closing afterwards in the second case, and works from Java 7 to Java 10. It probes whether there is a...
Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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How to enumerate a range of numbers starting at 1
...port the start parameter so instead you could create two range objects and zip them:
r = xrange(2000, 2005)
r2 = xrange(1, len(r) + 1)
h = zip(r2, r)
print h
Result:
[(1, 2000), (2, 2001), (3, 2002), (4, 2003), (5, 2004)]
If you want to create a generator instead of a list then you can use iz...
做程序猿的老婆应该注意的一些事情 - 杂谈 - 清泛网 - 专注C/C++及内核技术
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七年，从一个年轻小伙熬成了大叔，体重从55kg变成了75kg，从天然呆的码农到在大公司的小经理。非常符合程序猿成长路线。不知是喜是忧。
既然已经嫁给程序猿这么多年了，虽然至今仍然是小白一枚，但是也...
VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...的机制所在。
以下是MFC应用程序启动的摘要：
1、Windows把应用程序加载到内存；
2、构造全局变量theApp（所有全局变量在程序被载入内存时被构造）；
3、Windows调用全局函数WinMain，它是MFC的一部分，等同于无窗口应用程序的m...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...资料，我根据自己理解翻译的，有些词意思拿不准就直接把单词留在原地了，看这个文档应该可以凑合着 PDF.js官网（含github地址）：http://mozilla.github.io/pdf.js/
清泛网Demo地址：https://www.tsingfun.com/statics/pdf.js/web/viewer.html
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