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Why is a round-trip conversion via a string not safe for a double?
Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent:
3 Answers
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How to compare two floating point numbers in Bash?
I am trying hard to compare two floating point numbers within a bash script. I have to variables, e.g.
17 Answers
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how to return index of a sorted list? [duplicate]
I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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Regular expression \p{L} and \p{N}
I am new to regular expressions and have been given the following regular expression:
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How to recover a dropped stash in Git?
I frequently use git stash and git stash pop to save and restore changes in my working tree. Yesterday I had some changes in my working tree that I had stashed and popped, and then I made more changes to my working tree. I'd like to go back and review yesterday's stashed changes, but git stash ...
完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题 - 更多...
...新的问题问题描述:phpcms批量移动内容 文章,批量更新URL -> "批量更新内容页"后,发现原内容的评论、新闻心情全部丢失,这还不算差,后台评论排...问题描述:
phpcms批量移动内容/文章,”批量更新URL“ -> "批量更新内容页"...
How to convert String to long in Java?
I got a simple question in Java: How can I convert a String that was obtained by Long.toString() to long ?
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Count all occurrences of a string in lots of files with grep
I have a bunch of log files. I need to find out how many times a string occurs in all files.
15 Answers
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Why is “while ( !feof (file) )” always wrong?
I've seen people trying to read files like this in a lot of posts lately:
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Command to get nth line of STDOUT
Is there any bash command that will let you get the nth line of STDOUT?
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