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How to make good reproducible pandas examples
...ne of your code which it's raising against).
The Ugly:
don't link to a csv we don't have access to (ideally don't link to an external source at all...)
df = pd.read_csv('my_secret_file.csv') # ideally with lots of parsing options
Most data is proprietary we get that: Make up similar data and...
Difference between two dates in Python
...
Try this:
data=pd.read_csv('C:\Users\Desktop\Data Exploration.csv')
data.head(5)
first=data['1st Gift']
last=data['Last Gift']
maxi=data['Largest Gift']
l_1=np.mean(first)-3*np.std(first)
u_1=np.mean(first)+3*np.std(first)
m=np.abs(data['1st Gift...
项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...的读、写和修改权限
4. 在你的SQL Server上创建一个空的数据库（例如数据库名称是'BugNET'）。如果是升级操作，那么在做任何操作之前，请备份你的数据库。
5.使用文本编辑器编辑Web.config文件。找到"LocalSqlServer"连接字符串设置...
Getting the count of unique values in a column in bash
...1
w 1
column 1:
d 3
r 2
b 1
g 1
m 1
z 1
column 2:
c 4
a 3
e 2
.csv input
If your input files are .csv, change /\s+/ to /,/
Obfuscation
In an ugly contest, Perl is particularly well equipped.
This one-liner does the same:
perl -lane 'for $i (0..$#F){$g[$i]{$F[$i]}++};END{for $j (0..$#...
How to redirect output with subprocess in Python?
...mmand line directly from python.
import subprocess32 as sub
with open("A.csv","a") as f:
f.flush()
sub.Popen(["cat","temp.csv"],stdout=f)
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adding noise to a signal in python
...,2)
# in your case you need to replace this with
# clean_signal = pd.read_csv("your_data.csv")
clean_signal = pd.DataFrame([[1,2],[3,4]], columns=list('AB'), dtype=float)
print(clean_signal)
"""
print output:
A B
0 1.0 2.0
1 3.0 4.0
"""
import numpy as np
mu, sigma = 0, 0.1
# crea...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...先找到系统的瓶颈所在。这样的长连接，往往我们是没有数据发送的，所以也可以看作为非活动连接。对于系统来说，这种非活动连接，并不占用cpu与网络资源，而仅仅占用系统的内存而已。所以，我们假想，只要系统内存足够...
A simple explanation of Naive Bayes Classification
...exactly answers that question.
Just create a file called named new_dataset.csv and paste the following content.
Age,Income,Student,Creadit_Rating,Buys_Computer
<=30,high,no,fair,no
<=30,high,no,excellent,no
31-40,high,no,fair,yes
>40,medium,no,fair,yes
>40,low,yes,fair,yes
>40,low,yes...
Ubuntu下CodeBlock开发环境配置 - C/C++ - 清泛网 - 专注C/C++及内核技术
...这里不作演示），如下：
当然，如果不作任何配置，此工程编译当然是通不过（找不到头文件等，有兴趣可以自己试试），下面进行全局的编译、链接环境配置，Settings->Compile and Debugger settings，在Search directories选项夹Compile子...
MFC AFX_WM_CREATETOOLBAR消息相关 - C/C++ - 清泛网 - 专注C/C++及内核技术
...pertyPage，当用户在自定义过程中创建新工具栏。可以处理此消息以实例化自定义 CMFC...
AFX_WM_CREATETOOLBAR
说明：发送从CMFCToolBarsListPropertyPage，当用户在自定义过程中创建新工具栏。可以处理此消息以实例化自定义 CMFC...