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关于Lua的标库，你可以看看官方文档：string， table， math， io， os。
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Lua 简明教程
Difference between \b and \B in regex
...ggests "blank").
\b matches the empty string at the beginning or end of a word. \B matches the empty string not at the beginning or end of a word. The key here is that "-" is not a part of a word. So <left>-<right> matches \b-\b because there are word boundaries on either side of the...
HTML5 canvas ctx.fillText won't do line breaks?
...know the text height simply by providing the text size in pixels; in other words: context.font = "16px Arial"; - you have the height there; the width is the only one that is dynamic.
– Lev
Apr 17 '11 at 15:18
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Difference between \w and \b regular expression meta characters
...acters? It is my understanding that both these metacharacters are used for word boundaries. Apart from this, which meta character is efficient for multilingual content?
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What is a word boundary in regex?
...tput, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matching space-separated numbers.
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Highlight a word with jQuery
I basically need to highlight a particular word in a block of text. For example, pretend I wanted to highlight the word "dolor" in this text:
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What is the difference between lemmatization vs stemming?
... reduce inflectional forms and sometimes derivationally related forms of a word to a common base form.
However, the two words differ in their flavor. Stemming usually refers to a crude heuristic process that chops off the ends of words in the hope of achieving this goal correctly most of the time, a...
Truly understanding the difference between procedural and functional
...e code for a nonsense requirement where we want to determine if all of the words in a list have an odd number of characters. First, procedural style:
function allOdd(words) {
var result = true;
for (var i = 0; i < length(words); ++i) {
var len = length(words[i]);
if (!odd(len)) {
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What Vim command(s) can be used to quote/unquote words?
How can I quickly quote/unquote words and change quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
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delete word after or around cursor in VIM
... ^+W in INSERT mode very useful. However, I'd like to delete not only the word before cursor, but the word after or around cursor as well.
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