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pdf预览功能研究形成文档：[url]https://puravidaapps.com/snippets.php#2p...
pdf预览功能研究形成文档：https://puravidaapps.com/snippets.php#2pdfpdf完成，但这个文档里面还有很多东西，需要整理。
How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc.
– m...
Relative URLs in WordPress
...oesn't use relative URLs:
Core ticket:
Root-relative URLs aren't really proper. /path/ might not be WordPress, it might be outside of the install. So really it's not much different than an absolute URL.
Any relative URLs also make it significantly more difficult to perform transformations ...
How to display a confirmation dialog when clicking an link?
...e the confirm() function in an inline onclick handler.
<a href="delete.php?id=22" onclick="return confirm('Are you sure?')">Link</a>
Advanced event handling
But normally you would like to separate your HTML and Javascript, so I suggest you don't use inline event handlers, but put a c...
How to escape single quotes within single quoted strings
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If you really want to use single quotes in the outermost layer, remember that you can glue both kinds of quotation. Example:
alias rxvt='urxvt -fg '"'"'#111111'"'"' -bg '"'"'#111111'"'"
# ^^^^^ ^^^^^ ^...
Nginx 403 forbidden for all files
I have nginx installed with PHP-FPM on a CentOS 5 box, but am struggling to get it to serve any of my files - whether PHP or not.
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Get first n characters of a string
...}
Update 3:
It's been a while since I wrote this answer and I don't actually use this code any more. I prefer this function which prevents breaking the string in the middle of a word using the wordwrap function:
function truncate($string,$length=100,$append="&hellip;") {
$string = trim($st...
How do I make curl ignore the proxy?
... shell script) would temporarily change its value.
(See curl's manual for all the variables it looks at, under the ENVIRONMENT heading.)
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Send message to specific client with socket.io and node.js
..."I'm the master", function() {
// Save the socket id to Redis so that all processes can access it.
client.set("mastersocket", socket.id, function(err) {
if (err) throw err;
console.log("Master socket is now" + socket.id);
});
});
socket.on("message to master", function(...
Remove portion of a string after a certain character
...ich I think addresses everything below and also explains ways to deal with all kinds of things like case insensitive, multiple occurrences, and regular expressions. If anyone wants to do anything more flexible or doesn't have control over the input coming in it's probably worth checking out.
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