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Partly JSON unmarshal into a map in Go

My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
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Any way to clear python's IDLE window?

I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here. ...
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Write to .txt file?

How can I write a little piece of text into a .txt file? I've been Googling for over 3-4 hours, but can't find out how to do it. ...
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How to remove last n characters from every element in the R vector

I am very new to R, and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?) ...
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How to round a number to significant figures in Python

I need to round a float to be displayed in a UI. E.g, to one significant figure: 20 Answers ...
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Stop pip from failing on single package when installing with requirements.txt

I am installing packages from requirements.txt 6 Answers 6 ...
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App Inventor 2 列表代码块 · App Inventor 2 中文网

... 我要反馈 App Inventor 2 列表代码块 创建空列表 创建列表 追加列表项 检查列表中是否包含对象 求列表长度 列表是否为空? 随机选取列表项 ...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

I have a string that is up to 3 characters long when it's first created in SQL Server 2008 R2. 17 Answers ...
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How to get a password from a shell script without echoing

I have a script that automates a process that needs access to a password protected system. The system is accessed via a command-line program that accepts the user password as an argument. ...
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?

Why does the Standard define end() as one past the end, instead of at the actual end? 7 Answers ...