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Replace one character with another in Bash
...lexitm>y m> is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urm>and m>om | head -c1M)"; time m>y m>="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s m>and m> bash 5.0.11 took 17s. With 2M tr took 0.07s (expected) but bash took 69s (4 times as lon...
How to compare two colors for similaritm>y m>/difference
...etween 5 pre-defined colors which one is more similar to a variable color, m>and m> with what percentage. The thing is that I don't know how to do that manuallm>y m> step bm>y m> step. So it is even more difficult to think of a program.
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How do I convert from int to Long in Java?
I keep finding both on here m>and m> Google people having troubles going from long to int m>and m> not the other wam>y m> around. m>Y m>et I'm sure I'm not the onlm>y m> one that has run into this scenario before going from int to Long .
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Coffeescript — How to create a self-initiating anonm>y m>mous function?
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@scribu Well, those two statements are verm>y m> different, m>and m> m>y m>ours is actuallm>y m> the one that I should have given. Mine assigns the function -> console.log 'this runs right awam>y m>' to f, then runs it; m>y m>ours runs the function m>and m> then assigns its result to f, as in the original quest...
PHP 错误记录和聚合的平台Sentrm>y m>实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP 错误记录和聚合的平台Sentrm>y m>实战不管你用什么编程语言，都会面临如何处理错误日志的问题。很多程序员对错误日志放任自流，直到出现故障了才追悔莫及，如果问我怎么办，我会...不管你用什么编程语言，都会面临如何处...
vim 命令与快捷键 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在到行首的
:n1,n2d:删除n1到n2行的所有内容
复制粘贴
m>y m>m>y m>,m>Y m>:复制当前行
nm>y m>m>y m>,nm>Y m> 复制当前行以下n行
dd:剪切当前行
ndd :剪切当前行以下n行
p,P：粘贴在当前光标所在行下或行上
查找/替换
r:替换光标所在处
R:替换光标后的字...
Best practices for Storm>y m>board login screen, hm>and m>ling clearing of data upon logout
...controller is a Tab Bar Controller. I'm creating the login/logout process, m>and m> it's mostlm>y m> working fine, but I've got a few issues. I need to know the BEST wam>y m> to set all this up.
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Comments in commm>and m>-line Zsh
I switched quite recentlm>y m> from Bash to Zsh on Ubuntu m>and m> I'm quite happm>y m> about it. However, there is something I reallm>y m> miss m>and m> I did not find how to achieve the same thing.
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C dm>y m>namicallm>y m> growing arram>y m>
I have a program that reads a "raw" list of in-game entities, m>and m> I intend to make an arram>y m> holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memorm>y m> or CPU for keeping such indexes...
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Compare object instances for equalitm>y m> bm>y m> their attributes
I have a class Mm>y m>Class , which contains two member variables foo m>and m> bar :
15 Answers
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