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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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App Inventor 2 经典蓝牙(SPP) 硬件接入：hc05 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 经典蓝牙(...
What is the difference between sql and mysql [closed]
I am new to databases and I was wondering: What is the difference between SQL and MySQL ?
5 Answers
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Remove plot axis values
I was just wondering if there is a way to get rid of axis values, either the x-axis or y-axis respectively, in an r-plot graph.
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How do you calculate the average of a set of circular data? [closed]
I want to calculate the average of a set of circular data. For example, I might have several samples from the reading of a compass. The problem of course is how to deal with the wraparound. The same algorithm might be useful for a clockface.
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sass --watch with automatic minify?
Is there a way to run:
4 Answers
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How do I remove a big file wrongly committed in git [duplicate]
I did a stupid thing. Imagine that I committed a 100MB file. Then I see this and delete this file and commit again. This is a normal procedure to delete a file.
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warning: incompatible implicit declaration of built-in function ‘xyz’
I'm getting a number of these warnings when compiling a few binaries:
4 Answers
4
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Core dump file analysis [duplicate]
What are all the things I will need to check while analyzing a core dump file?
2 Answers
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c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys ...