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How to replace captured groups only?
...et assigned a base-1 index, accessible in a replace with a $, so the first word (\w+) is in a group, and becomes $1, the middle part (\d+) is the second group, (but gets ignored in the replace), and the third group is $3. So when you give the replace string of "$1!new_ID!$3", the $1 and $3 are repla...
What's the difference between a proxy server and a reverse proxy server? [closed]
...but perhaps too terse.
I will try to add some examples.
First of all, the word "proxy" describes someone or something acting on behalf of someone else.
In the computer realm, we are talking about one server acting on the behalf of another computer.
For the purposes of accessibility, I will limit ...
Why is whitespace sometimes needed around metacharacters?
...her hand, curly braces ({ and }) are just ordinary characters that make up words.
Omitting the second space before } will do, since & is a metacharacter. Therefore, your tattoo should have at least one space character.
:(){ :|:&};:
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Why both no-cache and no-store should be used in HTTP response?
...the no-store header stopped it doing so. But if you take the W3C at their word, there's actually no way to control this behavior:
History buffers MAY store such responses as part of their normal operation.
General differences between browser history and the normal HTTP caching are described i...
What does the ng stand for in Angular.js directives
... ngee. But we don't have to compare the pronunciations of NG with the full word Angular. NG is more of an abbreviation. So even if we drop the first A and try to pronounce Ngular it'll still sound like Angular only. So they took the starting fragment NG of the word Ngular to create an abbreviation w...
What is “lifting” in Haskell?
... ignorant about monads, too :) Or can someone explain it to me with simple words?
5 Answers
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Regular Expression: Any character that is NOT a letter or number
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\w is for Word characters and is exactly the same as [a-zA-Z0-9_] (notice that underscore is considered a word character.) ...so the shorthand would be str.replace(/[^\w]/g, ' ')
– Joel Mellon
Aug...
How to cut an entire line in vim and paste it?
...then a movement will cut the equivalent of that movement, so dw will cut a word, d<down-arrow> will cut this line and the line below, d50w will cut 50 words.
yy is copy line, and works like dd.
D cuts from cursor to end of line.
If you've used v (visual mode), you should try V (visual line ...
What's the point of OOP?
...down very quickly IMHO since you are essentially getting the worst of both words: 1) Procedural programming without adhering to proven structured programming methodology and 2) OOP without adhering to to proven OOP methodology.
OOP done right is a beautiful thing. It makes very difficult problems...
Convert string to symbol-able in ruby
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this works really well! you could have any words weather or not they where Capitalized. the parameterize will sort it out.
– TheLegend
Apr 18 '12 at 14:00
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