caching

When do we really need a key/value database instead of a key/value cache server?

Most of the time,we just get the result from database,and then save it in cache server,with an expiration time. When do we need to persistent that key/value pair,what's the significant benifit to do so? ...

is there any php solution for caching management ? especially for image caching ?

i just want to know a general information about this particular information. Any good reference will be helpful. ...

Oracle Coherence w/ ASP.NET application

Is it possible to use Oracle Coherence to provide distributed caching to an ASP.NET application? We would like to use Coherence to scale out an ASP.NET application which does not have distributed caching. Alternatives would be memcached, etc. However, we are considering Coherence since we already have licensing/expertise in that area. ...

How to avoid loading a LINQ to SQL object twice when editting it on a website.

Hi guys I know you are all tired of this Linq-to-Sql questions, but I'm barely starting to use it (never used an ORM before) and I've already find some "ugly" things. I'm pretty used to ASP.NET Webforms old school developing, but I want to leave that behind and learn the new stuff (I've just started to read a ASP.NET MVC book and a .NET...

XAMPP is caching .html files running as PHP

I have XAMPP (latest version) installed on my Mac OS 10.6.3 I've added the following to .htaccess because I want .html to be interpreted as PHP. AddType application/x-httpd-php .php .html The problem is that the default XAMPP config seems to be caching .html files as static... so even though the PHP statements inside are being called...

Building "isolated" and "automatically updated" caches (java.util.List) in Java.

FOR ANYONE INTERESTED: I have implemented the code for the behaviour I am looking for and open-sourced it on google-code. Get it here! pojo-mvcc -- Hi Guys, I am trying to write a framework which contains a lot of short-lived caches created from a long-living cache. These short-lived caches need to be able to return their entier conte...

How is external memory, internal memory, and cache organized?

Consider a system as follows: a hardware board having say ARM Cortex-A8 and Neon Vector coprocessor, and Embedded Linux OS running on Cortex-A8. On this environment, if some application - say, a video decoder - is executing, then: How is it decided which buffers would be in external memory, which ones would be allocated in internal SRA...

Rails caches_page :index in Wrong Location

I have a controller Projects in my Rails app with: caches_page :index However, instead of the cached file being generated at /public/projects/index.html it is located at /public/projects.html. The web server (currently Mongrel) looks for */ directories before *.html files. So the http://…/projects request is routed through Rails and ...

How to cache queries in Rails across multiple requests

I want to cache query results so that the same results are fetched "for more than one request" till i invalidate the cache. For instance, I want to render a sidebar which has all the pages of a book, much like the index of a book. As i want to show it on every page of the book, I have to load it on every request. I can cache the rendered...

How to cache asp.net web site for better performance

I am a web designer and usually design corporate web sites which often does not require update. So I want to cache the output for one day. How can I do this? Also any suggestions for better performance for asp.net on slow servers are accepted. ...

JQuery UI Tabs caching

I am working in an ASP .net MVC Application. I have a JQuery UI tab whose Javascript to enable caching is as follows. function LoadStudentDetailTabs() { $('#tabStudentDetail').tabs({ cache: true, spinner: '', select: function(event, ui) { $("#gridSpinnerStudentDetailTabs h5").text("Loading Detai...

How to not cache a php file where a cachemanifest is beeing called?

Hi, i'm building a iphone app with jqtouch and i use a cachemanifest to cache all the static files (images, css, javascript) to make it load faster. However the page uses php for the dynamic content and i don't want to cache that. So i'm generating the cachemanifest with this php-script(manifest.php): <?php header('Content-Type: text/c...

Why is the HttpContext.Cache count always zero?

I set up a few pages with OutputCache profiles and confirmed that they are being cached by using multiple browsers and requests to retrieve the page with a timestamp which matched across all requests. When I try to enumerate the HttpContect.Cache it is always empty. Any ideas what is going on here or where I should be going for this ...

In Rails: How can I turn off caching for a particular activerecord database table?

I have an associative table (scripts_runs) (has_many, through) that carries a status column ('started', 'ready to parse', 'completed' ). The started and ready to parse states are signaled by 'flag' files from distributed executions of the scripts pickedup periodically (20 seconds). The completed status is written directly to the assoc...

When should we delete the cache data in an iPhone apps?

Hi all, We often cache image and data to improve our iPhone app's performance. But what strategy do you use to manage the cache data, such as delete or update it? I saved the images to TMP folder, but don't know when should I trigger to "checking out of date cache data and delete it": when the iPhone apps starts, or quits, or in idle t...

How to prevent google chrome from caching my inputs, esp hidden ones when user click back?

hi there, i have an asp.net mvc app which have quite a few hidden inputs to keep values around and formatting their names so that i can use the Model binding later when i submit the form. i stumble into a weird bug with chrome which i don't have with IE or Firefox when the user submits the form and click on the back button, i find that ...

Auto-versioning of static content with JBoss

As per the Q&A here, I'd like to implement a similar auto-versioning system for a web app running in JBoss 5. Is there anything already out there to do this sort of thing, or will I need to write something myself? To be clear: I am not using PHP. Not knowing much about PHP, I'm not sure what the Tomcat/JBoss analogs of PHP's .htaccess, ...

Cache only some directorys or extensions on nginx.

Dears, I had a problem. I´m using the php script calle SocialEngine and I´d like to use nginx to cache the static content. I have 2 otpions 1) Cache some dirs like /images/ , /templates/ , /include/css/ , /include/js/... etc 2) Caache some static files like: .css, .tpl, .js, .gif, etc... I prefer use the first option, but the second...

How to cache L2E entity without attach/detach?

The following code will select a key/value table in the DB and will save the result to the cache: using (var db = new TestEntities()) { if(Cache["locName_" + inventoryLocationName] != null) return Cache["locName_" + inventoryLocationName]; var location = db.InventoryLocationsSet.FirstOrDefault( i => ...

What does the question mark at then end of a css include url do?

I've noticed that on some websites (including SO) the link to the CSS will look like: <link rel="stylesheet" href="http://sstatic.net/so/all.css?v=6638"&gt; I would say its safe to assume that ?v=6638 tells the browser to load version 6638 of the css file. But can I do this on my websites and can I include different versions of my CS...