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How does Rails keep track of which migrations have run for a database?
...
Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...
Regular expression \p{L} and \p{N}
...This syntax is specific for modern Unicode regex implementation, which not all interpreters recognize. You can safely replace \p{L} by {a-zA-Z} (ascii notation) or {\w} (perl/vim notation); and \p{N} by {0-9} (ascii) or {\d} (perl/vim). If you want to match all of them, just do: {a-zA-Z0-9}+ or {\w\...
Download attachments using Java Mail
Now that I`ve downloaded all the messages, and store them to
4 Answers
4
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How do you turn a Mongoose document into a plain object?
...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this?
...
Using GCC to produce readable assembly?
...is nice:
-r shows symbol names on relocations (so you'd see puts in the call instruction below)
-R shows dynamic-linking relocations / symbol names (useful on shared libraries)
-C demangles C++ symbol names
-w is "wide" mode: it doesn't line-wrap the machine-code bytes
-Mintel: use GAS/binutils MA...
如何实现phpcms和discuz的Cookie同步 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ookietime，然后找到你所需要传送cookietime的应用目录下的uc_client的client.php文件，找到uc_user_synlogin函数，默认是
function uc_user_synlogin($uid) {
$uid = intval($uid);
$return = uc_api_post('user', 'synlogin', array('uid'=>$uid));
return $return;...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
... * 获取os信息
*
* @return os
*/
function getOS()
{
$agent = $_SERVER['HTTP_USER_AGENT'];
$os = false;
if (eregi('win', $agent) && strpos($agent, '95')){
$os = 'Windows 95';
}
else if (eregi('win 9x', $agent) && strpos($agent, '4.90')){
$os = 'Windows ME';
}
else if (...
Discuz X3涂鸦板无法使用问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...bed width="438" height="304"
src="static/image/common/doodle.swf?fid=a_magic_doodle&oid=comment_message&from=&config=http%3A%2F%2Fbbs.tsingfun.com%2Fhome.php%3Fmod%3Dmisc%26ac%3Dswfupload%26op%3Dconfig%26doodle%3D1"
quality="high" wmode="transparent" allowscriptaccess="always" type="applic...
Discuz 找回密码时提示参数错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Discuz 找回密码时提示参数错误source module member member_getpasswd.php第32行找到$uid = $_GET['uid'];在下方添加一行$sign = $_GET['sign'];tem...source\module\member\member_getpasswd.php
第32行找到
$uid = $_GET['uid'];
在下方添加一行
$sign = $_GET['sign'];
t...
ucenter应用之间cookietime不能传送问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ookietime，然后找到你所需要传送cookietime的应用目录下的uc_client的client.php文件，找到uc_user_synlogin函数，默认是
function uc_user_synlogin($uid) {
$uid = intval($uid);
$return = uc_api_post('user', 'synlogin', array('uid'=>$uid));
return $return;...