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How many double numbers are there between 0.0 and 1.0?
...or example, that's the number of distinct doubles between 0.5 included and 1.0 excluded, and exactly that many also lie between 1.0 included and 2.0 excluded, and so forth.
Counting the doubles between 0.0 and 1.0 is harder than doing so between powers of two, because there are many powers of two i...
Print a list in reverse order with range()?
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Calling clojure from java
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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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What is the best way to convert an array to a hash in Ruby
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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
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一、OceanBase启动时的使用模式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管...
How to round up the result of integer division?
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Passing parameters to a Bash function
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There are two typical ways of declaring a function. I prefer the second approach.
function f...
Getting and removing the first character of a string
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See ?substring.
x <- 'hello stackoverflow'
substring(x, 1, 1)
## [1] "h"
substring(x, 2)
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