All the class definitions now go to an area called "Metaspace". GC based on references is faster than it was in PermGen. Metaspace is in native-memory zone. Its size is unlimited by default. So as long as your machine has enough memory, OOM will not happen. You can still set a limit to it with …
G1 also aims at "low pause", and it can work well on large heaps(over 4G) . CMS, on the other hand, are not designed for large heaps. And CMS requires more configuration.
1. Exchange a Certificate Signing Request for certificate files openssl req -new -newkey rsa:2048 -nodes -keyout private.key -out my.csr Then submit my.csr file to your CA. You will then get certificate files from it. * The private.key will be used for decryption during SSL/TLS session establishment between a server and a client. 2. Combine …
Enable https for your nginx-hosted website with a CA-signed certificate Read More »
Rich Domain Model + Lazy-loading cause problems Hiberntate encourages rich domain model over table model, that is, A.b instead of A.bId You must enable lazy-loading, otherwise there will be performance issues If you are not in a hibernate session, A.b will be invalid ("Partial Materialization" problem) To make user you are in a hibernate session, …
0. Assume the text’s ng-model to be changed is {{someText}} 1. Create a modal. 2. Let there be an input in the modal. The input’s ng-model should not be {{someText}}, but {{anotherText}} 3. Let there be 2 buttons in the modal. One is "cancel", the other is "ok". For "ok’, ng-click = "submitChange()"; 4. …
You’ve tried thumbnail(), resize(), save(quality=20), but you still get an image too big? Maybe it’s because you are generating a PNG file. Change it to JPG and you will get a much smaller file ! It’s because PNG format is a lossless compression file format. Without losing quality you can’t get a considerably small image …
You’ve created a new column and you want set its value as the "id" column. What to do? Add the following line to the generated migration file or you can create new migration file migrations.RunSQL(sql=”update some_table set new_column = id”)
Don’t try to be smart. You must 1. Manually convert query sets to dicts 2. Convert the dicts to JSON Other approaches that convert query sets directly to JSON are not robust.
The order should be exactly the same HomeControllers.controller(‘LogoutController’, [‘$scope’,’$rootScope’, ‘$localStorage’, ‘$location’, ‘$http’, function($scope, $rootScope, $localStorage, $location, $http){ … Otherwise, you may endup putting Zhang’s Hat to Li’s.
The solution is: use “render”: $.fn.dataTable.render.text() to escape html tags