Tutorial by Examples: cache

The ApplicationData.Current.LocalFolder api allows us to get access to the application cache : var file = await ApplicationData.Current.LocalFolder.CreateFileAsync("myFile.dat", CreationCollisionOption.ReplaceExisting); The FileIO class contains a set of utility methods to easily add d...

To use an in memory cache in your ASP.NET application, add the following dependencies to your project.json file: "Microsoft.Extensions.Caching.Memory": "1.0.0-rc2-final", add the cache service (from Microsoft.Extensions.Caching.Memory) to ConfigureServices method in Startup...

You use it the same way you would use NSMutableDictionary. The difference is that when NSCache detects excessive memory pressure (i.e. it's caching too many values) it will release some of those values to make room. If you can recreate those values at runtime (by downloading from the Internet, by d...

The Alternative PHP Cache (APC) is a free and open opcode cache for PHP. Its goal is to provide a free, open, and robust framework for caching and optimizing PHP intermediate code. installation sudo apt-get install php-apc sudo /etc/init.d/apache2 restart Add Cache: apc_add ($key, $value , $t...

Perhaps the most important performance metric is the hitrate. Varnish routes it's incoming requests like this: Hash, a cacheable request. This might be either hit or miss depending on the state of the cache. Hitpass, a not cacheable request. A hash with a miss and a hitpass will be fetched f...

You monitor the cached objects to see how often they expire and if they are "nuked". n_expired - Number of expired objects. n_lru_nuked - Last recently used nuked objects. Number of objects nuked (removed) from the cache because of lack of space. varnishstat -1 | grep "n_expire...

ASP.Net exposes Cache API to store data in the cache for retrieval later. Getting Started Store string Cache["key"]="value"; Retrieve string var value=""; if (Cache["key"] != null) value = Cache["key"].ToString(); You can also use t...

Mage::helper('catalog/image')->init($item->getProduct(), 'thumbnail'); Mage::helper('catalog/image')->init($item->getProduct(), 'small_image'); Mage::helper('catalog/image')->init($item->getProduct(), 'image');

Mage::getModel('catalog/product_media_config')->getMediaUrl($product->getThumbnail()); //Thumbnail Mage::getModel('catalog/product_media_config')->getMediaUrl($product->getSmallImage()); //Small Image Mage::getModel('catalog/product_media_config')->getMediaUrl($product->getImage(...

first add the OkHttp to the gradle build file of the app module compile 'com.squareup.picasso:picasso:2.5.2' compile 'com.squareup.okhttp:okhttp:2.4.0' compile 'com.jakewharton.picasso:picasso2-okhttp3-downloader:1.0.2' Then make a class extending Application import android.app.Application; ...

Sometimes, you need to override one or more attributes of a particular Data Access Class (DAC) field just for a particular screen, without changing the existing behavior for other screens. Replacing All Attributes Suppose the original DAC field attributes are declared as shown below: public class...

LRU Cache The following example code demonstrates a possible implementation of the LruCache class for caching images. private LruCache<String, Bitmap> mMemoryCache; Here string value is key for bitmap value. // Get max available VM memory, exceeding this amount will throw an // OutOfMem...

Drupal itself provide good caching options to increase the page speed and serve pages fast to end users. Caches are used to improve the performance of your Drupal site. But it also has a drawback that sometimes it could lead the "stale" data. This means, sometimes, the system may start to ...

When objects are created or modified they are not automatically available for IntelliSense. To make them available to IntelliSense the local cache has to be refreshed. Within an query editor window either press Ctrl + Shift + R or select Edit | IntelliSense | Refresh Local Cache from the menu. Aft...