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Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms

...seen, no chance. Note however that most "regex" libraries actually permit more than just the strict definition of regular expressions. If they can match back-references, then they've gone beyond a regular language. So the reason why you shouldn't use a regex library on HTML is a little more complex...
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.htm vs .html ? Which file extension naming is more correct? [closed]

...our file names since file extensions are typically 3 characters long. AND MORE ON: http://www.sightspecific.com/~mosh/WWW_FAQ/ext.html or http://www.sightspecific.com/~mosh/WWW_FAQ/ext.htm I think I should add this part here: There is one single slight difference between .htm and .html files. Con...
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?

...is probably not the optimal solution", do you have in mind a theoretically more optimal solution? – CMCDragonkai Jun 8 '15 at 8:41 3 ...
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Which is more efficient, a for-each loop, or an iterator?

...ject o = list.get(i); } Then the new for loop, or iterator, can be a lot more efficient, depending on the underlying data structure. The reason for this is that for some data structures, get(i) is an O(n) operation, which makes the loop an O(n2) operation. A traditional linked list is an example o...
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Generating a UUID in Postgres for Insert statement?

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What is the pythonic way to detect the last element in a 'for' loop?

I'd like to know the best way (more compact and "pythonic" way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one. ...
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How to assign from a function which returns more than one value?

...ingTwoValues()[[2]] would be sufficient.) See the cited r-help thread for more examples. (2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with : myfun <- function() list(a = 1, b = 2) list[a, b] &...
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Is either GET or POST more secure than the other?

... differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why? 27 Answe...
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What are the applications of binary trees?

...mory often use T-trees to do so. The reason that binary trees are used more often than n-ary trees for searching is that n-ary trees are more complex, but usually provide no real speed advantage. In a (balanced) binary tree with m nodes, moving from one level to the next requires one comparison...
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Remove all multiple spaces in Javascript and replace with single space [duplicate]

... Very true :) --inserts more characters-- – Josiah Jul 20 '10 at 4:02 ...