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When is null or undefined used in JavaScript? [duplicate]
...ecause "undefined" is indeed undefined. But "undefined" is not a reserved word in JavaScript. So you can just do this: var undefined = "Magic!"; // Yes this works Now your code may or may not work. It is better to do a typeof(x) !== "undefined"
– ProVega
A...
How to document a method with parameter(s)?
... may think this style looks "ugly". But I would say "ugly" is a subjective word. A more neutual way is to say, this style is not mainstream so it may look less familiar to you, thus less comfortable. Again, "comfortable" is also a subjective word. But the point is, all the benefits described above a...
Javascript fuzzy search that makes sense
... The only problem with this library that I faced is when the word is complete but spelled incorrectly for example, if the correct word was "XRP" and If i searched "XRT" it doesnt give me a score
– PirateApp
Dec 23 '17 at 5:02
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Bash continuation lines
...n lines
there is an extra space, because (after bash manual):
If the word is double-quoted, ${name[*]} expands to a single word with
the value of each array member separated by the first character of the
IFS variable
So set IFS='' to get rid of extra space
$ IFS=''
$ echo "${str_array[*...
Why should text files end with a newline?
... be easier to modify the token stream rather than the parser — in other words, add an “artificial newline” token to the end of the input.
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What is the difference between user and kernel modes in operating systems?
...rwise, it could set itself to ring 0 and rings would be useless.
In other words, cannot modify the current segment descriptor, which determines the current ring.
cannot modify the page tables: How does x86 paging work?
In other words, cannot modify the CR3 register, and paging itself prevents modi...
Difference between 'new operator' and 'operator new'?
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"operator new" vs "new keyword"
– user997112
Aug 8 '14 at 12:27
2
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Why is it OK to return a 'vector' from a function?
Please consider this code. I have seen this type of code several times. words is a local vector. How is it possible to return it from a function?
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... 关于我们 免责申明 联系我们 手机版 IT搜索 下载栏目 图片栏目 网站地图 IT技术 C/C++ 开源 & Github 数据库(内核) 大数据 & AI 其他 IT专题 还在用Java开发安卓App？你out啦！ 轻松创APP ...
Get line number while using grep
...o display the results with the line numbers, you might try this
grep -nr "word to search for" /path/to/file/file
The result should be something like this:
linenumber: other data "word to search for" other data
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