大约有 30,000 项符合查询结果（耗时：0.0376秒） [XML]
Pandas percentage of total with groupby
...te 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,
'...
How to implement WiX installer upgrade?
...a localised error message, and also prevents upgrading an already existing identical version (i.e. only lower versions are upgraded):
<MajorUpgrade
AllowDowngrades="no" DowngradeErrorMessage="!(loc.NewerVersionInstalled)"
AllowSameVersionUpgrades="no"
/>
...
google oauth2 redirect_uri with several parameters
...arameters to your redirect uri, have them stored in state
parameter before calling Oauth url, the url after authorization will send the same parameters to your redirect uri as
state=THE_STATE_PARAMETERS
So for your case,do this:
/1. create a json string of your parameters ->
{ "a" : "b" , "c...
Writing your own STL Container
...tor_tag,std::random_access_iterator_tag. Also note that the below is technically more strict than required, but this is the idea. Note that the vast majority of the "standard" functions are technically optional, due to the awesomeness that is iterators.
template <class T, class A = std::allocato...
Update a table using JOIN in SQL Server?
...umn to the aggregate of another column (which violates the principle of avoiding storing redundant data), you can use a CTE (common table expression) - see here and here for more details:
;WITH t2 AS
(
SELECT [key], CalculatedColumn = SUM(some_column)
FROM dbo.table2
GROUP BY [key]
)
UPDA...
How to get browser width using JavaScript code?
... }
if (document.body) {
return document.body.clientHeight;
}
}
Call both of these in your scripts using getWidth() or getHeight(). If none of the browser's native properties are defined, it will return undefined.
...
zsh compinit: insecure directories
...found -u switch of compinit works, e.g. in your .zshrc/zshenv or where you called compinit
compinit -u
NB: Not recommended for production system
See also http://zsh.sourceforge.net/Doc/Release/Completion-System.html#Initialization
...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...es to the application's bin folder, because that no longer happens automatically. Personally, I rarely find it worth that extra effort.
A more elaborate version of this answer can be found in this excerpt from my book Dependency Injection, Principles, Practices, Patterns.
...
asp.net mvc put controllers into a separate project
...ing to figure out how to move my controllers into a separate project. Typically when I have designed asp.net web apps before, I created one project for my models, another for my logic, and then there was the web.
...
Why git can't remember my passphrase under Windows
...command line. You may want to have pageant.exe load your .ppk file automatically at boot time, depending on how often you'll be needing it.
Second solution Assumes Windows, msysgit, and TortoiseGit.
TortoiseGit comes with PuTTY executables, and a specially modified version of plink (called Tortoi...