大约有 26,000 项符合查询结果(耗时:0.0657秒) [XML]

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How would you count occurrences of a string (actually a char) within a string?

I am doing something where I realised I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was. ...
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What exactly is the meaning of an API? [closed]

I've searched for the definition of an API in a programming language and I am still finding it hard to understand. 13 Answe...
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C# binary literals

Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work. 12 Answers ...
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Using pip behind a proxy with CNTLM

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Docker - how can I copy a file from an image to a host?

My question is related to this question on copying files from containers to hosts; I have a Dockerfile that fetches dependencies, compiles a build artifact from source, and runs an executable. I also want to copy the build artifact (in my case it's a .zip produced by sbt dist in '../target/`, ...
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System.Data.SQLite Close() not releasing database file

I'm having a problem closing my database before an attempt to delete the file. The code is just 17 Answers ...
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What is a “surrogate pair” in Java?

I was reading the documentation for StringBuffer , in particular the reverse() method. That documentation mentions something about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates? ...
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pandas DataFrame: replace nan values with average of columns

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Quit and restart a clean R session from within R?

Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session? 12 Answers ...
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How to find keys of a hash?

I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys 9 Answers...