大约有 47,000 项符合查询结果（耗时：0.0578秒） [XML]
Split delimited strings in a column and insert as new rows [duplicate]
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Here is another way of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s,...
SSH to Vagrant box in Windows?
...configured in Connection > SSH > Auth > Private key file
use host 127.0.0.1
use port 2222 instead of 22
you can set the default username (vagrant) under Connection > SSH > Auth > Private key for authentication
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What is the shortest function for reading a cookie by name in JavaScript?
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Where can I find documentation on formatting a date in JavaScript?
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Android Studio Checkout Github Error “CreateProcess=2” (Windows)
...hing like :
C:\Users\Your_Username\AppData\Local\GitHub\PortableGit_ca477551eeb4aea0e4ae9fcd3358bd96720bb5c8\bin
Alternatively , if you don't want to add to environment variables. You can open the android studio and go to :
Settings -> Version Control -> Git
In text box next to "Path to Git ...
In C# what is the difference between a destructor and a Finalize method in a class?
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edited Oct 4 '17 at 11:44
Lloyd
27.3k44 gold badges7474 silver badges9191 bronze badges
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No resource found - Theme.AppCompat.Light.DarkActionBar
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How are msys, msys2, and msysgit related to each other?
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Disclaimer: I am an MSYS2 developer
While MSYS isn't dead, I would say it's not looking very ...
Simple and fast method to compare images for similarity
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Can the screenshot or icon be transformed (scaled, rotated, skewed ...)? There are quite a few...
When should I use UNSIGNED and SIGNED INT in MySQL?
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UNSIGNED only stores positive numbers (or zero). On the other hand, signed can store negative ...