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Possible to make labels appear when hovering over a point in matplotlib?
...llback(on_plot_hover) can access
fig = plt.figure()
plot = fig.add_subplot(111)
# create some curves
for i in range(4):
# Giving unique ids to each data member
plot.plot(
[i*1,i*2,i*3,i*4],
gid=i)
def on_plot_hover(event):
# Iterating over each data member plotted
f...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
...ed procedurally, it can be programmed generically (templates), and with C++11 (formerly known as C++0x) some things can even be programmed functionally.
The designers of C++ see this as an advantage, so they would argue that constraining C++ to act like a purely OOP language when generic programmin...
When should I use the Visitor Design Pattern? [closed]
...
alexlomba87
65611 gold badge99 silver badges2525 bronze badges
answered Nov 1 '08 at 0:11
Federico A. RamponiFederic...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...入CDN服务的网站，需要域名(如www.linuxaid.com.cn, 地址202.99.11.120)解析权提供给CDN运营商，Linuxaid的域名解析记录只要把www主机的A记录改为CNAME并指向cache.cdn.com即可。cache.cdn.com是CDN网络自定义的缓存服务器的标识。在/var/named/linuxaid....
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...max(0,z-x)的期望值，其中随机变量z服从标准正态分布。
11．@psn(x)
标准正态分布的累积分布函数。
12．@ptd(n,x)
自由度为n的t分布的累积分布函数。
13．@qrand(seed)
产生服从(0,1)区间的拟随机数。@qrand只允许在模型的数据部分使...
Can attributes be added dynamically in C#?
...
11
You can't. One workaround might be to generate a derived class at runtime and adding the attrib...
Displaying the build date
...
Michael Freidgeim
19.4k1010 gold badges117117 silver badges147147 bronze badges
answered Oct 21 '09 at 13:56
mdbmdb
4...
SQL RANK() versus ROW_NUMBER()
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answered Oct 12 '11 at 22:38
Ritesh MengjiRitesh Mengji
5,03688 gold badges2727 silver badges4646 bronze badges
...
How to copy a directory structure but only include certain files (using windows batch files)
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answered Nov 10 '11 at 4:26
Rhak KahrRhak Kahr
67877 silver badges1010 bronze badges
...