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How do I wrap text in a pre tag?
...and for debugging output while writing scripts, but how do I make the text word-wrap instead of printing out one long line?
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Traversing text in Insert mode
...t to correct it to "you intentionally typed". Then Esc2bcw will erase the word you want to fix and bring you to insert mode, so you can immediately retype it. To get back to editing, just press A instead of End, so you don't have to move your hand to reach the End key.
You accidentally typed "mous...
Purpose of memory alignment
Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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What's the difference between “ ” and “ ”?
...apped at that point, just like it wouldn’t be wrapped in the middle of a word.
Furthermore as Svend points out in his comment, non-breaking spaces are not collapsed.
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What's the meaning of interface{}?
...s the interface that has no methods.
Since there is no implements keyword, all types implement at least zero methods, and satisfying an interface is done automatically, all types satisfy the empty interface.
That means that if you write a function that takes an interface{} value as a paramet...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...避免多次的IO，提高查询的效率。
倒排索引实现单词到文档映射关系的最佳实现方式和最有效的索引结构，广泛用在搜索领域。
Bitmap是一种非常简洁快速的数据结构，他能同时使存储空间和速度最优化（而不必空间换时间），...
Build an ASCII chart of the most commonly used words in a given text [closed]
Build an ASCII chart of the most commonly used words in a given text.
59 Answers
59
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How to replace ${} placeholders in a text file?
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Sed!
Given template.txt:
The number is ${i}
The word is ${word}
we just have to say:
sed -e "s/\${i}/1/" -e "s/\${word}/dog/" template.txt
Thanks to Jonathan Leffler for the tip to pass multiple -e arguments to the same sed invocation.
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vim deleting backward tricks
...current backward to beginning of line
dw deletes current to end of current word (including trailing space)
db deletes current to beginning of current word
Read this to learn all the things you can combine with the 'd' command.
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Why should I capitalize my SQL keywords? [duplicate]
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I think the latter is more readable. You can easily separate the keywords from table and column names, etc.
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