caching

Papervision Render to Movie or Film Strip

I am looking BitmapViewport3D for rendering to a texture, and I am wondering if there is a way to render to a movie or film strip for later viewing. Anything like that built into PaperVision? ...

HTTP Cache - check with the server, always sending If-Modified-Since

I have a resource which is user generated and therefore changes at an unpredictable time (example, a user uploads a new version of a word document). I would like browsers to cache this resource and validate its cache with the server on each request (i.e. always send the If-Modified-Since header). From testing, I've found that Firefox h...

Caching AJAX query results with prototype

I'm looking at putting together a good way of caching results of AJAX queries so that the same user doesn't have to repeat the same query on the same page twice. I've put something together using a Hash which works fine but i'm not sure if there's a better method i could be using. This is a rough snippet of what i've come up with which s...

Internet Explorer (6 and higher) cache and temporary files

How to prevent browser from storing particular page in temporary files folder ? Is there any solution using meta tags ? i've tried with meta tag: pragma, expire, cache-control but it doesnt work. ...

C++ cache aware programming

Hi! is there a way in C++ to determine the CPU's cache size? i have an algorithm that processes a lot of data and i'd like to break this data down into chunks such that they fit into the cache. Is this possible? Can you give me any other hints on programming with cache-size in mind (especially in regard to multithreaded/multicore data p...

Force browser to clear cache

Is there a way I can put some code on my page so when someone visits a site, it clears the browser cache, so they can view the changes? Languages used: ASP.NET, VB.NET, and of course html, css, and jquery. ...

Output cache versus application cache?

I have an application that uses the application cache to store the responses generated but custom HTTP handlers. The same response is always returned to requests for the same URL, and the entire response is inserted whole into the cache. If an application is caching per-URL, is there any advantage to using the application cache? Or shou...

Does the output cache respect response headers?

I'm considering using the ASP.NET output cache to improve the performance of my custom HTTP handler. If I set an expiry header in the response, will the output cache be intelligent enough to cache the response accordingly? Or do I need to manually create an appropriate CacheDependency? If I gzip the response and set the Content-Encodin...

Setting cache headers with meta tags: always get "private" in cache-control response

I have a SharePoint master page with the following tags in the head section: <META HTTP-EQUIV="Expires" content="-1"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="private"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-store"> Despite the f...

Need advise about detect cache Image on Iphone

now i implement download image function so how did i know that image is already load and get it from memory? ...

Very fast cache / access time-indexed data in c#

Hello there, I'm coding a data intensive app in c#. Currently, the app loads loads and loads of timeseries from a distant sql server, does a lot of calculation to create other timeseries, and I'd like to access to these timeseries fast. Each timeserie has a unique identifier, and should map from DateTime to anything (mostly floats, but...

How to disable Browser Caching for a specific View in ASP.NET MVC Environment?

I want to disable Browser Caching in a specific View. I tried Response.Cache.SetCacheability(HttpCacheability.NoCache); in a controller that returns the View, but that does not work. Any suggestions are greatly appreciated. Thank you. ...

what will happen if not lock the dictionary when i modify it? about asp.net cache

sorry i have many questions about the lock/cache.=_=.. ->1. about cache, i know that the cache in asp.net is threadsafe, the simple code i usually use is IList<User> user= HttpRuntime.Cache["myCacheItem"] as IList<User>; if (user == null) { //should i have a lock here? //lock(some_static_var){...} Htt...

How to remove the browser cache?

I have one image website where users can vote images. IMAGES ARE RANDOMLY GENERATED ON FIRST PAGE! Once they vote they're redirected using window.location to the image details page. If they click back they will see the same image...from the browser cache..and they can vote it unlimited times.... How to I remove the cache? I want the fir...

Google App Engine - Caching generated HTML

I have written a Google App Engine application that programatically generates a bunch of HTML code that is really the same output for each user who logs into my system, and I know that this is going to be in-efficient when the code goes into production. So, I am trying to figure out the best way to cache the generated pages. The most p...

J2ME cache issue

I have to write a J2ME app to retrieve images from server and display in mobile phone. I have seen and test that Snaptu have a mechanism to cache image, event with 100 images (both normal size and zoom size). I wonder how they can do that? I though that those guys use rms to save image stream to data. But when i check in working folder ...

Efficient Ruby LRU cache

What's the most efficient way to build a cache with arbitrary Ruby objects as keys that are expired based on a least recently used algorithm. It should use Ruby's normal hashing semantics (not equal?) ...

firefox cache maximum size ? for adobe tv.

i want to know maximum cache size limit for firefox? when i do about:cache i can directly access videos seen, i usually see adobe tv, so what maximum cache limit?is it unlimited or what? ...

C++ design: How to cache most recent used

Hi We have a C++ application for which we try to improve performance. We identified that data retrieval takes a lot of time, and want to cache data. We can't store all data in memory as it is huge. We want to store up to 1000 items in memory. This items can be indexed by a long key. However, when the cache size goes over 1000, we want to...

What is the optimal way to implement a small cache in C# to store factorial values?

Hi there, Here's the code I have: =========================== public class Foo { //Class field to store factorial values as those are calculated private static Dictionary<uint, double> _factorialCache; public Foo() { _factorialCache = new Dictionary<uint, double>(); } public double Factorial(uint inpu...