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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...层的分布式的架构，纵向包括CDN，负载均衡/反向代理，web应用，业务层，基础服务层，数据存储层。水平方向包括对整个平台的配置管理部署和监控。
三、 剖析架构
1. CDN
CDN系统能够实时地根据网络流量和各节点的...
How to write a simple Html.DropDownListFor()?
...lass called "HtmlLists" or something. Place the static class in the System.Web.Mvc namespace. In your static class, add your static list of IEnumerable<Color> Colors. Then, on your view, you can reference it by calling HtmlLists.Colors. Hope that makes sense. Let me know. :)
...
EditorFor() and html properties
...red/EditorTemplates folder:
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<string>" %>
<% int size = 10;
int maxLength = 100;
if (ViewData["size"] != null)
{
size = (int)ViewData["size"];
}
if (ViewData["maxLength"] != null)
{
maxLe...
Setting HttpContext.Current.Session in a unit test
I have a web service I am trying to unit test. In the service it pulls several values from the HttpContext like so:
14 A...
django test app error - Got an error creating the test database: permission denied to create databas
...
}
and my docker-compose.yml looks as follows:
version: '3'
services:
web:
build: .
command: './wait_for_db_and_start_server.sh'
env_file: env_web
working_dir: /project_name
links:
- db
volumes:
- .:/volume_name
ports:
- "8000:80...
iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
I'm working on an iPad-based web app, and need to prevent overscrolling so that it seems less like a web page. I'm currently using this to freeze the viewport and disable overscroll:
...
Does Firefox support position: relative on table elements?
...
Since every web browser including Internet Explorer 7, 8 and 9 correctly handle position:relative on a table-display element and only FireFox handles this incorrectly, your best bet is to use a JavaScript shim. You shouldn't have to rear...
Server.UrlEncode vs. HttpUtility.UrlEncode
...s the path portion of a URL string for reliable HTTP transmission from the Web server to a client." - without actually explaining what it does. You are less likely to shoot yourself in the foot with an Uzi...
In short, stick to Uri.EscapeDataString.
...
How can I add additional PHP versions to MAMP
...ive PHP versions on the download page any more. Use WayBackMachine https://web.archive.org/web/20180131074715/http://www.mamp.info/en/downloads/
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Calling async method synchronously
...n asynchronous method in ASP.NET. This will reduce the scalability of your web app, and may create a deadlock (when an await continuation inside GenerateCodeAsync is posted to AspNetSynchronizationContext). Using Task.Run(...).Result to offload something to a pool thread and then block will hurt the...