Can Cache The Combined Script
Mar 9, 2010
I am building a AJAX intensive web application (using ASP.NET, JQuery, and WCF web services) and am looking into building an HTTP Handler that handles script combining and compression for my JavaScript files and my CSS files. I know not combining the scripts is generally a less preferred approach, and I'm sure it's probably the way I will end up going, but my question is this...Since so many of my JS files are due to the controls I use don't they get cached by the browser after the first load anyway? Since so many of these controls can be found on many of the pages of my web application is it actually faster to combine all of my scripts and serve that one file (which will vary for every page) or to serve the individual files which will get cached? I guess what I'm getting at is, by enabling script combining am I now losing part of the caching ability of the browser? I know I can cache the combined script, but the combined script will be different for every page whereas with the individual control scripts each one will be cached and the number of new scripts will be minimal for each page call.
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Apr 28, 2010
We have a website build in the umbraco 4.1 cms (webforms) default .net 3.5 And we have some MVC tools and controls build with MVC2.0 on net 4.0 i've managed to let the umbraco cms run in .net 4.0 and i've been following parts of this guide (for mvc 1.0 and umbraco 4.0.3) but now i'm stuck, umbraco has alot of url management itself, so i use the urlRewriting.net (included in umbraco) to redirect a certain url, to [URL] for example. i know the url rewriting works (if i force an error into the mvc.ashx i recieve it in the browser window. but each time it gets to the ProcessRequest it throws a "resource not found" error to the screen here is the full code for mvc.ashx that i use
<%@ WebHandler Language="C#" Class="mvc" %>
using System.Web;
using System.Web.Mvc;
public class mvc : IHttpHandler
{
public void ProcessRequest(HttpContext httpContext)
{
string originalPath = httpContext.Request.Path;
string newPath = httpContext.Request.QueryString["mvcRoute"];
if (string.IsNullOrEmpty(newPath))
newPath = "/";
HttpContext.Current.RewritePath(newPath, false);
IHttpHandler ihh = (IHttpHandler)(new MvcHttpHandler());
ihh.ProcessRequest(HttpContext.Current);
HttpContext.Current.RewritePath(originalPath, false);
}
public bool IsReusable
{
get { return false; }
}
}
here is the web.config that i use
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="urlrewritingnet" restartOnExternalChanges="true" requirePermission="false" type="UrlRewritingNet.Configuration.UrlRewriteSection, UrlRewritingNet.UrlRewriter" />
<section name="microsoft.scripting" type="Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=0.9.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" />
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<section name="umbraco.presentation.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
<section name="clientDependency" type="ClientDependency.Core.Config.ClientDependencySection, ClientDependency.Core"/>
<section name="UmbracoExamine" type="UmbracoExamine.Core.Config.UmbracoExamineSettings, UmbracoExamine.Core"/>
<section name="ExamineLuceneIndexSets" type="UmbracoExamine.Providers.Config.ExamineLuceneIndexes, UmbracoExamine.Providers"/>
</configSections>
<urlrewritingnet configSource="configUrlRewriting.config" />
<microsoft.scripting configSource="configscripting.config" />
<clientDependency configSource="configClientDependency.config" />
<UmbracoExamine configSource="configExamineSettings.config" />
<ExamineLuceneIndexSets configSource="configExamineIndex.config" />
<appSettings>
<add key="umbracoDbDSN" value="server=sander_pcSQLEXPRESS;database=database;user id=username;password=password" />
<add key="umbracoConfigurationStatus" value="4.1.0.betaII" />
<add key="umbracoReservedUrls" value="~/config/splashes/booting.aspx,~/install/default.aspx,~/config/splashes/noNodes.aspx" />
<add key="umbracoReservedPaths" value="~/umbraco,~/install/" />
<add key="umbracoContentXML" value="~/data/umbraco.config" />
<add key="umbracoStorageDirectory" value="~/data" />
<add key="umbracoPath" value="~/umbraco" />
<add key="umbracoEnableStat" value="false" />
<add key="umbracoHideTopLevelNodeFromPath" value="true" />
<add key="umbracoEditXhtmlMode" value="true" />
<add key="umbracoUseDirectoryUrls" value="false" />
<add key="umbracoDebugMode" value="true" />
<add key="umbracoTimeOutInMinutes" value="20" />
<add key="umbracoVersionCheckPeriod" value="7" />
<add key="umbracoDisableXsltExtensions" value="true" />
<add key="umbracoDefaultUILanguage" value="en" />
<add key="umbracoProfileUrl" value="profiler" />
<add key="umbracoUseSSL" value="false" />
<add key="umbracoUseMediumTrust" value="false" />
<add key="umbracoContentXMLUseLocalTemp" value="false"/>
</appSettings>
<system.net>
<mailSettings>
<smtp deliveryMethod="SpecifiedPickupDirectory">
<specifiedPickupDirectory pickupDirectoryLocation="c:mail" />
</smtp>
</mailSettings>
<!--
<mailSettings>
<smtp>
<network host="127.0.0.1" userName="username" password="password" />
</smtp>
</mailSettings>
-->
</system.net>
<!-- REMOVE FOR BETA -->
<!-- added by NH to test foreign membership providers-->
<connectionStrings>
<remove name="LocalSqlServer" />
<!--<add name="LocalSqlServer" connectionString="server=.sqlexpress;database=aspnetdb;user id=DBUSER;password=DBPASSWORD" providerName="System.Data.SqlClient"/>-->
</connectionStrings>
<system.web>
<!-- <trust level="Medium" originUrl=".*" />-->
<customErrors mode="Off" />
<trace enabled="true" requestLimit="10" pageOutput="false" traceMode="SortByTime" localOnly="true" />
<sessionState mode="InProc" stateConnectionString="tcpip=127.0.0.1:42424" sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes" cookieless="false" timeout="20" />
<globalization requestEncoding="UTF-8" responseEncoding="UTF-8" />
<xhtmlConformance mode="Strict" />
<httpRuntime requestValidationMode="2.0" />
<pages enableEventValidation="false">
<!-- ASPNETAJAX -->
<controls>
<add tagPrefix="umbraco" namespace="umbraco.presentation.templateControls" assembly="umbraco" />
<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</controls>
<namespaces>
<!-- ASP MVC -->
<add namespace="System.Web.Mvc"/>
<add namespace="System.Web.Mvc.Ajax"/>
<add namespace="System.Web.Mvc.Html"/>
<add namespace="System.Web.Routing"/>
<add namespace="System.Linq"/>
<add namespace="System.Collections.Generic"/>
</namespaces>
</pages>
<httpModules>
<!-- URL REWRTIER -->
<add name="UrlRewriteModule" type="UrlRewritingNet.Web.UrlRewriteModule, UrlRewritingNet.UrlRewriter" />
<add name="umbracoRequestModule" type="umbraco.presentation.requestModule" />
<!-- UMBRACO -->
<add name="viewstateMoverModule" type="umbraco.presentation.viewstateMoverModule, umbraco" />
<add name="umbracoBaseRequestModule" type="umbraco.presentation.umbracobase.requestModule, umbraco" />
<!-- CLIENT DEPENDENCY -->
<add name="ClientDependencyModule" type="ClientDependency.Core.Module.ClientDependencyModule, ClientDependency.Core"/>
<!-- ASP MVC -->
<add name="RegisterRoutesModule" type="RegisterRoutesModule"/>
</httpModules>
<httpHandlers>
<remove verb="*" path="*.asmx" />
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/>
<!-- UMBRACO CHANNELS -->
<add verb="*" path="umbraco/channels.aspx" type="umbraco.presentation.channels.api, umbraco" />
<add verb="*" path="umbraco/channels/word.aspx" type="umbraco.presentation.channels.wordApi, umbraco" />
<!-- CLIENT DEPENDENCY -->
<add verb="*" path="DependencyHandler.axd" type="ClientDependency.Core.CompositeFiles.CompositeDependencyHandler, ClientDependency.Core "/>
<!-- SPELL CHECKER -->
<add verb="GET,HEAD,POST" path="GoogleSpellChecker.ashx" type="umbraco.presentation.umbraco_client.tinymce3.plugins.spellchecker.GoogleSpellChecker,umbraco" />
<!-- ASP MVC -->
<add verb="*" path="*.mvc" validate="false" type="System.Web.Mvc.MvcHttpHandler, System.Web.Mvc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpHandlers>
<compilation defaultLanguage="c#" debug="true" batch="false" targetFramework="4.0">
<assemblies>
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<!-- ASP MVC -->
<add assembly="System.Web.Mvc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Web.Routing, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Web.Abstractions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</assemblies>
</compilation>
<authentication mode="Forms">
<forms name="yourAuthCookie" loginUrl="login.aspx" protection="All" path="/" />
</authentication>
<authorization>
<allow users="?" />
</authorization>
<!-- Membership Provider -->
<membership defaultProvider="UmbracoMembershipProvider" userIsOnlineTimeWindow="15">
<providers>
<clear />
<add name="UmbracoMembershipProvider" type="umbraco.providers.members.UmbracoMembershipProvider" enablePasswordRetrieval="false" enablePasswordReset="false" requiresQuestionAndAnswer="false" defaultMemberTypeAlias="Another Type" passwordFormat="Hashed" />
<add name="UsersMembershipProvider" type="umbraco.providers.UsersMembershipProvider" enablePasswordRetrieval="false" enablePasswordReset="false" requiresQuestionAndAnswer="false" passwordFormat="Hashed" />
</providers>
</membership>
<!-- added by NH to support membership providers in access layer -->
<roleManager enabled="true" defaultProvider="UmbracoRoleProvider">
<providers>
<clear />
<add name="UmbracoRoleProvider" type="umbraco.providers.members.UmbracoRoleProvider" />
</providers>
</roleManager>
<!-- Sitemap provider-->
<siteMap defaultProvider="UmbracoSiteMapProvider" enabled="true">
<providers>
<clear />
<add name="UmbracoSiteMapProvider" type="umbraco.presentation.nodeFactory.UmbracoSiteMapProvider" defaultDescriptionAlias="description" securityTrimmingEnabled="true" />
</providers>
</siteMap>
</system.web>
<applicationSettings>
<umbraco.presentation.Properties.Settings>
<setting name="umbraco_com_regexlib_Webservices" serializeAs="String">
<value>http://regexlib.com/WebServices.asmx</value>
</setting>
</umbraco.presentation.Properties.Settings>
</applicationSettings>
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<modules>
<remove name="UrlRewriteModule"/>
<remove name="umbracoRequestModule"/>
<remove name="viewstateMoverModule"/>
<remove name="umbracoBaseRequestModule"/>
<remove name="ScriptModule"/>
<remove name="ClientDependencyModule"/>
<!-- URL REWRTIER -->
<add name="UrlRewriteModule" type="UrlRewritingNet.Web.UrlRewriteModule, UrlRewritingNet.UrlRewriter" />
<!-- UMBRACO -->
<add name="umbracoRequestModule" type="umbraco.presentation.requestModule, umbraco" />
<add name="viewstateMoverModule" type="umbraco.presentation.viewstateMoverModule, umbraco" />
<add name="umbracoBaseRequestModule" type="umbraco.presentation.umbracobase.requestModule, umbraco" />
<!-- ASPNETAJAX -->
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</modules>
<handlers accessPolicy="Read, Write, Script, Execute">
<remove name="WebServiceHandlerFactory-Integrated" />
<remove name="ScriptHandlerFactory" />
<remove name="ScriptHandlerFactoryAppServices" />
<remove name="ScriptResource" />
<!-- ASPNETAJAX -->
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<!-- UMBRACO CHANNELS -->
<add verb="*" name="Channels" path="umbraco/channels.aspx" type="umbraco.presentation.channels.api, umbraco" />
<add verb="*" name="Channels_Word" path="umbraco/channels/word.aspx" type="umbraco.presentation.channels.wordApi, umbraco" />
<!-- CLIENT DEPENDENCY -->
<add verb="*" name="ClientDependency" path="DependencyHandler.axd" type="ClientDependency.Core.CompositeFiles.CompositeDependencyHandler, ClientDependency.Core "/>
<!-- SPELL CHECKER -->
<add verb="GET,HEAD,POST" name="SpellChecker" path="GoogleSpellChecker.ashx" type="umbraco.presentation.umbraco_client.tinymce3.plugins.spellchecker.GoogleSpellChecker,umbraco"/>
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
and the routing file
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
public class RegisterRoutesModule : IHttpModule
{
public void Init(HttpApplication application)
{
RegisterRoutes(RouteTable.Routes);
}
public static void RegisterRoutes(RouteCollection routes)
{
routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
if (routes["Default"] == null){
routes.MapRoute(
"Default",
"{controller}.aspx/{action}/{id}",
new { action = "Index", id = "" }
);
}
routes.MapRoute(
"Root",
"",
new { controller = "Home", action = "Index", id = "" }
);
}
public void Dispose()
{
}
}
i have very few knowledge of mvc, though i am a certified umbraco developer. what i suspect is that there are some routing issues, and the views folder is not found or something like that.
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Jan 6, 2011
I need to $create Ajax Control Toolkit extenders (i.e. DropDown Extender) manually in JavaScript. To do so, the appropriate ACT scripts need to be loaded (i.e. DropDown.DropDownBehavior.js) manually since they are not declared in the page.
Prior to 3.5, I was loading these using the ScriptManager
[Code]....
My manually added DropDownBehavior.js script is loaded **before** the combined script containing all the ACT base classes resulting in a Value cannot be undefined. Parameter name: baseType
error in JavaScript. If I manually load the base types before DropDown.DropDownBehavior.js, I get Sys.InvalidOperationException:
Type Sys.Extended.UI.BehaviorBase has already been registered.
Is there some way to add these scripts either after the `_TSM_CombinedScripts_` or append to the end of it?
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Aug 1, 2010
We have a data driven ASP.NET website which has been written using the standard pattern for data caching (adapted here from MSDN):
public DataTable GetData()
{
string key = "DataTable";
object item = Cache[key] as DataTable;
[code]...
The trouble with this is that the call to GetDataFromSQL() is expensive and the use of the site is fairly high. So every five minutes, when the cache drops, the site becomes very 'sticky' while a lot of requests are waiting for the new data to be retrieved.
What we really want to happen is for the old data to remain current while new data is periodically reloaded in the background. (The fact that someone might therefore see data that is six minutes old isn't a big issue - the data isn't that time sensitive). This is something that I can write myself, but it would be useful to know if any alternative caching engines (I know names like Velocity, memcache) support this kind of scenario. Or am I missing some obvious trick with the standard ASP.NET data cache?
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Feb 24, 2010
We are using HttpRuntime.Cache API in an ASP.NET to cache data retrieved from a database.
For this particular application, our database queries feature a LOT of parameters, so our cache keys look something like this:
table=table1;param1=somevalue1;param2=somevalue2;param3=somevalue3;param4=somevalue4;param5=somevalue5;param6=somevalue6... etc...
we have so many parameters that the cache key is several hundred characters long. is there a limit to the length of these cache keys? Internally, it is using a dictionary, so theoretically the lookup time should be constant. However, I wonder if we have potential to run into some performance/memory problem.
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Dec 12, 2010
I want to be able to maintain certain objects between application restarts.
To do that, I want to write specific cached items out to disk in Global.asax Application_End() function and re-load them back on Application_Start().
I currently have a cache helper class, which uses the following method to return the cached value:
return HttpContext.Current.Cache[key];
Problem: during Application_End(), HttpContext.Current is null since there is no web request (it's an automated cleanup procedure) - therefore, I cannot access .Cache[] to retrieve any of the items to save to disk.
Question: how can I access the cache items during Application_End()?
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Jan 14, 2010
Im building a image gallery which reads file from disk, create thumbnails on the fly and present them to the user. This works good, except the processing takes a bit time.
I then decided to cache the processed images using the ASP .NET Application Cache. When a image is processed I add the byte[] stream to the cache. As far as I know this is beeing saved into the system memory. And this is working perfect, the loading of the page is much faster.
My question is if there are thousands of images which gets cached in the Application Cache, will that affect the server performance in any way?
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