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What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
...et around the error. Use a 5xx for a server error that the client can't really work around.
Product sold out would be a server error. The client can't modify the request in some fashion to get around the error. You could switch to another product but wouldn't that be a new request?
User maximu...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...是作为PHP的一个补丁来开发的，在安装的时候也需要和PHP源码一起编译，也就是说PHP-FPM被编译到PHP内核中，因此在处理性能方面更加优秀；同时它在处理高并发方面也比spawn-fcgi引擎好很多，因此，推荐Nginx+PHP/PHP-FPM这个组合对PH...
下拉刷新拓展 - SwipeRefresh - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...载地址最后更新 2018.7.28 (v2)下载1(本站)下载2(Github release)源码
样例样例aia样例apk
How to check for an active Internet connection on iOS or macOS?
...y via closures
let reachability = Reachability()!
reachability.whenReachable = { reachability in
if reachability.connection == .wifi {
print("Reachable via WiFi")
} else {
print("Reachable via Cellular")
}
}
reachability.whenUnreachable = { _ in
print("Not reachabl...
Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-zxf mysql-5.6.12cd mysq...安装环境：centos 6.4 x86_64
#下载mysql源码包
curl -O http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.12.tar.gz
tar -zxf mysql-5.6.12
cd mysql-5.6.12
#添加执行用户名和组
groupadd mysql
useradd -g mysql mysql
#开始编译安装
cmake -...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...);
//调用设置行高
m_ListCtrl.SetRowHeigt(50);
OK。
工程源码下载：CListCtrl_RowHeight.zip
CListCtrl 行高 自定义
解决：mfcs110ud.lib(dllmodul.obj) : error LNK2005: _DllMain@12 已经在 ...
原因分析：
_USRDLL定义有的话，MFC会自动生成一个DllMain入口函数，
这时在dll源码中额外又添加了一个DllMain入口函数，就会出现重定义冲突。
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ble_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rena...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升
...SSCRIPT.OCX在C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them ...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升
...SSCRIPT.OCX在C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them ...