caching

A/Bingo not writing conversions correctly?

I'm using A/Bingo for Rails, and it seems to be working fine, except for counting conversions. It looks like conversions for the first user that converts are counted, but then it gets stuck and doesn't record any other conversions. I know that conversions occurred because I see them in two completely separate and unrelated analytics apps...

What is the best way to represent tree structure in memory as a cache?

Hello all I have tree with nodes. The nodes are constructed by TCP API request response value. To make less requests I'd like to represent the tree in a cache structure, that each time when TCP request are about to be invoked it will check the cache first. What is the best way to do it? I mean the tree cache part, in my case I'm using Qt...

how to set limitation in EntityManager (JPA) L1 or L2 cache size

hi How to set L1 or L2 cache size-limitation. I concern of increasing the cache-size. One way is defining timeout for cache but i want to know is it possible to make a constraint for cache size or not? RGDS Navid ...

How to efficiently cache dynamic content in asp.net mvc ?

This blog post describes how to properly handle dynamic content caching when using python with GAE. It covers DownStream caching, conditional GETs, 404 responses, Etags... I haven't found anything as comprehensive related to a targeted asp.net mvc implementation. What would be the most elegant/readable/maintainable way to implement this...

MongoDB as a cache for frequent joins and queries from MySQL

Im thinking about doing the following and need suggestions if it makes sense to approach it this way. Basically since I am able to do queries in MongoDB and MongoDb is wicked fast at these since the hotspots of the data are cached in memory. I was thinking of storing data I would normally do a join from in mysql in mongoDB. While I am us...

Rails cache sweeper doesn’t work with nested models

This is for Ruby 1.8.7 & Rails 3.0.1. I have a model TeachingGroup, which belongs to current_user.current_term. A Sweeper exists with: class TeachingGroupSweeper < ActionController::Caching::Sweeper observe TeachingGroup def after_update(teaching_group) expire_cache_for(teaching_group) # elsewhere, working end ... # other ...

jQuery Collection Cache

Does anyone know a good way to cache a collection of objects returned by a selector. var $platforms = $(".platforms"); var i = 0, l = $platforms.length, current; for(;i<l;i++) { current = $($platforms[i]); //calling jQuery() in a loop. Should be cached } The above code creates a jQuery instance of each element returned by $("...

Is it good to cache the Zend application.ini file to make my application run faster?

If I remember correctly, parsing .ini files in PHP takes a long time. So, why not cache it (the file won't change during a request) What is the best way to do this? Or are there any reasons not to do it? ...

how to force a stored procedure be pre-cached and stay in memory?

Stored procedures are compiled on first use. There are options to clear cache: DBCC FREEPROCCACHE DBCC DROPCLEANBUFFERS --To Verify whether the cache is emptied --DBCC PROCCACHE or to recompile or to reduce recompilations. But is it possible to force frequently used stored procedures' execution plans be pre-cached and stay in...

Frames caching issue on IIS

Hi, some time ago I had an entry point for application in index.aspx with following content: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML lang="en"> <HEAD> <TITLE>xxx</TITLE> <META http-equiv="Content-Type" content="text/html; charset=utf-8"> </HEAD> <frameset rows="68,*" border="0" frameborder=...

Caching of HTML pages

Hi, I have included meta tags for Cache-control - no cache and Pragma no cache and Expires in my html page. But still i find the html pages in Temporary Internet Files folder on my system with expires timestamp. If i make another request to server after the timestamp expiration value, the page my browser is going to show is a new page ...

JavaScript: How can I check whether a file is cached?

My site loads a pretty large js file the first time a user visits, and I want to write something like "Loading .. for the first time" it the file isn't from cache. Is this possible in javascript? ...

sql caching disadvantage?

Hi. I have a web server with a lot of web sites with many database operations, and i am tryng sql caching as a way to improve the performance of my server. In general, is there any disadvantage about sql caching in a common environment? Thanks ...

Symfony: impossible to remove from cache

Ok, so this is my issue. I have a page that lists a bunch of categories under a subdomain. I'm trying to clean the cache for that page if the user is logged in. In the action I'm using this: if ($this->getUser()->isAuthenticated()) { if($cache = $this->getContext()->getViewCacheManager()) { $cache->remove('category/index?subdoma...

aggressive caching by Ie8

IE8 is caching a lot of data. My application is working fine in other browsers. IE8 even cache data which are submitted using post method. I try to append a random number in url, set no cache header in pages but all in vain. I am so frustrated by this issue. I am not using ajax. This is normal web application using spring mvc. can anyone...

Installing AppFabric on Windows Server Datacenter

Hi, we are running a virtual server with Windows Server Datacenter (32 bit) and I cannot install AppFabric on it. When I run the executable downloaded from http://www.microsoft.com/downloads/en/details.aspx?displaylang=en&amp;FamilyID=467e5aa5-c25b-4c80-a6d2-9f8fb0f337d2 I get the following error: "Either the version of this package is...

Re-download (no cache) same report image multiple times on single page in IE

Using the Microsoft.Samples.ReportingServices.ReportViewer, I am showing multiple instances of the same SRS report on the same aspx page using IFrames (which is what the ReportViewer renders as.) Each instance has different parameters passed to it, so the output looks different on each instance of the report. My issue is that in Interne...

Cache invalidation on content update

Hi , i understand basic concept of cache , but one thing i cant able to understand , even i saw some example , assume , my first request is 9am , now new update information coming to cache , then another same content request from other user , now system get content from cache file instead of DB, example 1 : i set the cache expire ...

magento : flush catalog images cache create problem!?

Hello, I am working with Magento. I refresh cache from admin panel. After that, when I open the front end site, I found that no product images were loaded. Some problem arise in that. Please, if anyone can help. Thanx. ...

C# architecture advice: method to cache data in a structure?

Hi, I'd like to ask your expert advice on a workable architecture in C#. I have a C# service which responds to a request from a local user on the LAN, fetches packets of data from the internet, and crunches that data to produce arrays of data in a structure. Each data request takes about 2 seconds, and returns 4000 bytes. There could b...