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Pandas percentage of total with groupby
...ou can calculate the percentage in a simpler way -- just groupby the state_office and divide the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
...
关于我们 · App Inventor 2 中文网，少儿编程陪伴者
...新活动“智能移动”项目三等奖。 开发教程免费，涉及到的知识点参考首页App教程《接水果游戏》。 开始学习 ...
Calculate relative time in C#
... ago";
}
else
{
int years = Convert.ToInt32(Math.Floor((double)ts.Days / 365));
return years <= 1 ? "one year ago" : years + " years ago";
}
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How do I convert Word files to PDF programmatically? [closed]
...stead of a for loop - it solved my problem.
int j = 0;
foreach (Microsoft.Office.Interop.Word.Page p in pane.Pages)
{
var bits = p.EnhMetaFileBits;
var target = path1 +j.ToString()+ "_image.doc";
try
{
using (var ms = new MemoryStream((byte[])(bits)))
{
...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...不过对照我们架构图中的目标就会发现：它没有实现全局激活缓存的功能。如何实现呢？最简单的方法就是通过单位时间内出错次数的多少来判断系统健康以否，设置相应的阈值，一旦超过限制就全局激活缓存，通过Lua我们可以...
IIS7 Cache-Control
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Recommended practice is 1 year essentially 365 days no more.
– Anicho
Jun 20 '12 at 13:55
5
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Difference between Visual Basic 6.0 and VBA
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Which is why I think it's worth adding that opening an Office Document carries nearly the same risk as opening an executable.
– Oorang
Jun 15 '09 at 4:05
13
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“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing
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Install the following to resolve your error.
2007 Office System Driver: Data Connectivity Components
AccessDatabaseEngine.exe (25.3 MB)
This download will install a set of components that facilitate the
transfer of data between existing Microsoft Office files such as
...
Excel “External table is not in the expected format.”
... it. Not all machines that my app is installed on will necessarily have MS Office installed.
– jp2code
May 17 '12 at 16:17
1
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Moment.js - how do I get the number of years since a date, not rounded up?
....unix();
var then = date.unix();
var diff = (now - then) / (60 * 60 * 24 * 365);
var years = Math.floor(diff);
Edit: First version didn't quite work perfectly. The updated one should
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