大约有 40,000 项符合查询结果（耗时：0.1017秒） [XML]
Getting DOM elements by classname
I'm using PHP DOM and I'm trying to get an element within a DOM node that have a given class name. What's the best way to get that sub-element?
...
JavaScript implementation of Gzip [closed]
...ad>
<body>
<script>
document.write(JXG.decompress('<?php
echo base64_encode(gzencode("Try not. Do, or do not. There is no try."));
?>'));
</script>
</html>
I understand it is not what you wanted but I still reply here because I suspect it will hel...
Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
...
How can I open several files at once in Vim?
...in that file.
For example, if you want to open all the files that end in .php in a given directory, first create files.txt containing the list of files, prepended with whatever command you want to use to open them.
sp alpha.php
sp bravo.php
sp charlie.php
Then, within vim:
:so files.txt
If th...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...sible, that the request method is 'post' (lower- or even mixed case). Does PHP automatically sanitize this on GET and POST?
– Boldewyn
Mar 22 '10 at 13:24
...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ion:
NOTE The mysql_ functions are deprecated and have been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with th...
What are five things you hate about your favorite language? [closed]
...
PHP:
1) Forces me to make unnecessary variables:
$parts = explode('|', $string);
$first = $parts[0];
2) An implementation of lambdas so lame it is roughly equivalent to using eval() and so hideously wrong I have never use...
How do I get the current time zone of MySQL?
...e to the system's timezone, which is less than helpful. Since you're using PHP, if the answer from MySQL is SYSTEM, you can then ask the system what timezone it's using via date_default_timezone_get. (Of course, as VolkerK pointed out, PHP may be running on a different server, but as assumptions go,...
What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
What do you call this arrow looking -> operator found in PHP?
16 Answers
16
...
程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...来我才想起可以用穷举法，最多就999次不就打开了？那么问题来了，你的密码箱还安全吗？
彩虹表
除了穷举法外，由于之前的密码泄露，那么攻击者们，手上都有大量的彩虹表，比如”I love you”,生日等等，这个表保存了这些...