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How to set the thumbnail image on HTML5 video?
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<?php
$thumbs_dir = 'E:/xampp/htdocs/uploads/thumbs/';
$videos = array();
if (isset($_POST["name"])) {
if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data ...
Grep not as a regular expression
...as grep -F. Direct invocation as fgrep is
deprecated, but is provided to allow historical applications that rely
on them to run unmodified.
For the complete reference, check:
https://www.gnu.org/savannah-checkouts/gnu/grep/manual/grep.html
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如何设置squid使外网也可以通过代理服务器上网,并且使用代理服务器的ip地...
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dns_nameservers ********
cache_effective_user squid squid
http_access allow all
原来加上一条
http_reply_access allow all
就可以了。squid 代理服务器
What is the difference between SAX and DOM?
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+1 - to clarify: use a DOM parser with smaller files that fit in RAM. Use a SAX parser for large files that wont.
– Richard H
Jul 26 '11 at 10:46
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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gcc -std=c99 foo.c -o foo
REF: http://cplusplus.syntaxerrors.info/index.php?title='for'_loop_initial_declaration_used_outside_C99_mode
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How to validate a url in Python? (Malformed or not)
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Actually, I think this is the best way.
from django.core.validators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except Val...
Prefer composition over inheritance?
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Prefer composition over inheritance as it is more malleable / easy to modify later, but do not use a compose-always approach. With composition, it's easy to change behavior on the fly with Dependency Injection / Setters. Inheritance is more rigid as most languages do not allo...
How to force vim to syntax-highlight a file as html?
... :set syntax=<type> where <type> is something like perl, html, php, etc.
There is another mechanism that can be used to control syntax highlighting called filetype, or ft for short. Similar to syntax, you give it a type like this: :set filetype=html. Other filetypes are perl, php, etc.
S...
How do I return multiple values from a function? [closed]
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Well, the design rationale for namedtuple is having a smaller memory footprint for mass results (long lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtu...
Laravel 4: how to “order by” using Eloquent ORM [duplicate]
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