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How to do a scatter plot with empty circles in Python?
...e to ax= or current axes
"""
# from .../pylab_examples/ellipse_demo.py
e = Circle( xy=xy, radius=radius )
if ax is None:
ax = pl.gca() # ax = subplot( 1,1,1 )
ax.add_artist(e)
e.set_clip_box(ax.bbox)
e.set_edgecolor( color )
e.set_facecolor( facecolor ) ...
String, StringBuffer, and StringBuilder
...sage due to immutability doesn't matter". The accepted answer covers it's bases pretty well.
– fooMonster
Aug 3 '11 at 14:24
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...guage: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' - 'A' + 1; string name = String.Empty; do { name = Convert.ToChar('A' + index % BASE) + name; index = index / BASE - 1; } while (index >= 0); return name; }
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Array.Copy vs Buffer.BlockCopy
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Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code.
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Measuring code execution time
... need to use also Stopwatch.Reset on after every single line to calculate. Based on your line; take a look ideone.com/DjR6ba
– Soner Gönül
Jul 25 '13 at 6:48
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How to convert an int value to string in Go?
...sting to note that strconv.Itoa is shorthand for
func FormatInt(i int64, base int) string
with base 10
For Example:
strconv.Itoa(123)
is equivalent to
strconv.FormatInt(int64(123), 10)
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Which version of Python do I have installed?
... -v command, since it tells architecture of the installed python (32bit or 64bit)
– Abouzar Nouri
Jan 10 '17 at 12:28
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Creating a simple XML file using python
...tion of ElementTree. Also offered in the standard library since 2.5)
LXML (Based on libxml2. Offers a rich superset of the ElementTree API as well XPath, CSS Selectors, and more)
Here's an example of how to generate your example document using the in-stdlib cElementTree:
import xml.etree.cElement...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...这是块注释
这是块注释
变量Lua的数字只有double型，64bits，你不必担心Lua处理浮点数会慢（除非大于100,000,000,000,000），或是会有精度问题。你可以以如下的方式表示数字，0x开头的16进制和C是很像的。num = 1024
num = 3.0
num = 3.1...
Are HTML Image Maps still used?
...ratio, and then using javascript to overwrite the coordinates. The jquery based image size event handler is $(window).resize(function() { ....yourcode... });
– skidadon
Aug 11 '15 at 3:44
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