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Getting and removing the first character of a string
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170
See ?substring.
x <- 'hello stackoverflow'
substring(x, 1, 1)
## [1] "h"
substring(x, 2)
#...
WPS在线表格使用指导 · App Inventor 2 中文网
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准备：粘贴脚本、拿到链接和令牌
1. 新建表格并设置工作表名
2. 创建文档共享脚本
3. 复制 webhook 链接
4. 创建脚本令牌
快速上手：在线报名表
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Calling clojure from java
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167
Update: Since this answer was posted, some of the tools available have changed. After the orig...
In which order should floats be added to get the most precise result?
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11 Answers
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How to store standard error in a variable
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18 Answers
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Add st, nd, rd and th (ordinal) suffix to a number
...ate a string of text based on a current day. So, for example, if it is day 1 then I would like my code to generate = "Its the 1* st *".
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How can I pipe stderr, and not stdout?
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11 Answers
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How do I declare and initialize an array in Java?
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For primitive types:
int[] myIntArray = new int[3];
int[] myIntArray = {1, 2, 3};
int[] myIntArray = new int[]{1, 2, 3};
// Since Java 8. Doc of IntStream: https://docs.oracle.com/javase/8/docs/api/java/util/stream/IntStream.html
int [] myIntArray = IntStream.range(0, 100).toArray(); // From 0 ...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
Why is int i = 2147483647 + 1; OK, but byte b = 127 + 1; is not compilable?
4 Answers
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Why do we need tuples in Python (or any immutable data type)?
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immutable objects can allow substantial optimization; this is presumably why strings are also...