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How to redirect to a 404 in Rails?
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Changed the selected answer to reflect the better practice. Thanks for the comments, guys!
– Yuval Karmi
Aug 14 '11 at 0:08
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MySQL Cannot drop index needed in a foreign key constraint
...column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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How to generate sample XML documents from their DTD or XSD?
... yes, this is the easiest way. Open XSD, switch to XML Schema Explorer, select the root node, right click and choose "Generate Sample Xml".
– balint
Jul 18 '09 at 16:58
3
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How can I get the root domain URI in ASP.NET?
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This should be the selected answer. Too many string manipulation that is unneeded.
– Ghasan
Dec 7 '15 at 3:18
1
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Why does Clojure have “keywords” in addition to “symbols”?
...t constructs are needed. Couldn't Clojure have created something with the union of the capabilities of both Keyword and Symbol?
– user73774
Oct 16 '09 at 19:57
25
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MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
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智能手机图形解锁有多少种可能 - 创意 - 清泛网 - 专注C/C++及内核技术
...这个人的个人网站也不错，http://www.matrix67.com/
Android 的密码是 3 × 3 点阵中的一条路径，这条路径可以交叉，可以“走日字”，几乎是无所不能（只要不经过重复点），但却有一个例外：路径不允许跳过途中必须要经过的点...
Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...h>
#include <fcntl.h>
#include <fcntl.h>
涉及到用户权限及密码验证问题时加入如下语句：
#include <shadow.h>
#include <crypt.h>
#include <pwd.h>
需要注意的是，应该在编译时链接加密算法库，即增加编译选项：
-lcrypt
涉及到文件...
git使用代理服务器，提升git速度 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...要鉴权的代理设置，如果需要鉴权，可能需要添加用户名密码信息：
git config http.proxy http://username:password@127.0.0.1:8088
如果git的所有项目都需要启用代理，那么可以直接启用全局设置：
git config --global http.proxy http://127.0.0.1:8088...
支付宝现“幽灵账户” 业内：不必太过惊慌 - 资讯 - 清泛网 - 专注IT技能提升
...料”，就是通过木马软件拦截的全国各地的支付宝账户、密码、绑定的手机号码、身份证号等信息。
对于支付宝用户来说，如果已通过实名认证，最好申请使用数字证书。只有在安装了数字证书的电脑上，才可以对支付宝账户...