You just need a unique string. It doesn’t have to be Hash. We use the LastModified date of the file and get the Ticks from there. Opening and reading the file is expensive as @Todd noted. Ticks is enough to output a unique number that changes when the file is changed. internal static class BundleExtensions … Read more
In Linux (you never mentioned which OS you’re on, so this could be relevant) you can create block devices from RAM and mount them like any other block device (that is, a HDD). You can then create scripts that copy to and from that drive on start-up / shutdown, as well as periodically. For example, … Read more
As far as I know, a forced update like this is not directly possible. You might be able to reduce the DNS downtime by reducing the TTL (Time-To-Live) value of the entries before changing them, if your name server service provider allows that. Here’s a guide for less painful DNS changes. A fair warning, though … Read more
Advantages of Java memory over memcache: Java memory is faster (no network). Java memory won’t require serialization, you have Java objects available to you. Advantages of memcache over Java memory: It can be accessed by more than one application server, so your cache will be shared among all your app servers. It can be accessed … Read more
Just throw some Exception if user is not found and catch it in client code while using get(key) method. new CacheLoader<ObjectId, User>() { @Override public User load(ObjectId k) throws Exception { User u = DataLoader.datastore.find(User.class).field(“_id”).equal(k).get(); if (u != null) { return u; } else { throw new UserNotFoundException(); } } } From CacheLoader.load(K) Javadoc: Returns: … Read more
As described in one of my other posts, you could disable caching globally in the $httpProvider: myModule.config([‘$httpProvider’, function($httpProvider) { //initialize get if not there if (!$httpProvider.defaults.headers.get) { $httpProvider.defaults.headers.get = {}; } // Answer edited to include suggestions from comments // because previous version of code introduced browser-related errors //disable IE ajax request caching $httpProvider.defaults.headers.get[‘If-Modified-Since’] = … Read more
Clear Cache in Safari version 7 on Mac OSX You have two options to clear the cache in Safari version 6: Use the “Empty Caches” option Select which items you want to clear by using the “Reset” option
Yes, half the data on server a, and half on server b would be a distributed cache. There are many methods of distributing the data, though some sort of hashing of the keys seems to be most popular. The terms server and node are generally interchangeable. A node is generally a single unit of some … Read more
Make sure you have the disable cache checkbox unchecked/disabled in the Developer Tools.
TL;DR There is an analogy with a cold engine and warm engine of the car. Cold cache – doesn’t have any values and can’t give you any speedup because, well, it’s empty. Warm cache has some values and can give you that speedup. A cache is a structure that holds some values (inodes, memory pages, … Read more