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JPA inheritance performance improvement

This article is about improving JPA’s performance when working with large/thick hierarchies. Let’s suppose that for some reason you have a similar (or larger) hierarchy to one I encountered in one of my projects: – InheritanceType.JOINED also using DiscriminatorColumn – […]

Compiling google’s mod_pagespeed for nginx

This post is intended mainly to Zyxel NSA310 users. Prerequisites See first for building environment, script and other things not defined here. Before starting do declare the environment variables specified to the link above. Environment & other preparations […]

Comments on Angular 2 router guide!#resolve-guard CanDeactivateGuard is used in CrisisCenterRoutingModule which is part of CrisisCenterModule which is lazy loaded by AppRoutingModule (loadChildren: ‘app/crisis-center/crisis-center.module#CrisisCenterModule’). q: Why should CanDeactivateGuard be declared in AppRoutingModule providers? why not to CrisisCenterRoutingModule providers? guide answer: We also need to add […]

Spring security with kerberos

What is a keytab, and how do I use one? Introduction to Kerberos for Managers Crash Course to Kerberos Appendix D. Troubleshooting JAAS authentication with Kerberos KDC = Kerberos Key Distribution Center TGT = Ticket Granting Ticket TGS = […]

Angularjs 2 compatibility angular 2 project seed webpack webpack lazy loading not working for me rxjs typings […]

gitweb on nginx

nginx configuration # Let Nginx handle static files # location ~ ^.*\.git/objects/([0-9a-f]+/[0-9a-f]+|pack/pack-[0-9a-f]+.(pack|idx)) { location ~ ^/[^/]*\.git/objects/([0-9a-f]+/[0-9a-f]+|pack/pack-[0-9a-f]+.(pack|idx)) { auth_basic “strong authentication”; auth_basic_user_file /********/apps/etc/basic.auth.strong.passwords.txt; root /********/GITRepoUbuntu/; } # Pass Git Smart HTTP requests to git-http-backend. Require Auth for everything. # see man […]

Spring security

HTML translated to java config see also Java Configuration see also <http security=”none” pattern=”/resources/**”/> <http pattern=”/api1/**” create-session=”stateless”> <intercept-url pattern=”/**” access=”authenticated”/> <http-basic /> </http> <http pattern=”/api2/**” create-session=”never”> <intercept-url pattern=”/api2/api21/**” access=”hasRole(‘ROLE_ADMIN’)”/> <intercept-url pattern=”/api2/**” access=”hasRole(‘ROLE_USER’)”/> <http-basic /> </http> <http pattern=”/api3/**”> <intercept-url pattern=”/api3/api31/**” […]

JPA performance Use byte code weaving EclipseLink implements LAZY for OneToOne and ManyToOne relationships using byte code weaving Pagination Use setFirstResult, setMaxResults of javax.persistence.Query. Caching See See <shared-cache-mode> in persistence.xml or javax.persistence.sharedCache.mode property when creating the EntityManagerFactory. See javax.persistence.Cacheable […]

JAXB 2.2.10

see also see also see also – Unofficial JAXB Guide see also How to get simple and better typed binding in globalBindings <jxb:globalBindings fixedAttributeAsConstantProperty=”false” collectionType=”java.util.Vector” typesafeEnumBase=”xsd:string” choiceContentProperty=”false” typesafeEnumMemberName=”generateError” enableFailFastCheck=”false” generateIsSetMethod=”false” underscoreBinding=”asCharInWord”/> fixedAttributeAsConstantProperty fixed attributes will be […]

XSD schema

<!– example –> <xs:simpleType> <xs:restriction base=”xs:string”> <xs:enumeration value=”Audi”/> <xs:enumeration value=”Golf”/> <xs:enumeration value=”BMW”/> </xs:restriction> </xs:simpleType> <!– example –> <xs:complexType name=”personinfo”> <xs:sequence> <xs:element name=”firstname” type=”xs:string”/> <xs:element name=”lastname” type=”xs:string”/> </xs:sequence> </xs:complexType> <xs:complexType name=”fullpersoninfo”> <xs:complexContent> <xs:extension base=”personinfo”> <xs:sequence> <xs:element name=”address” type=”xs:string”/> <xs:element name=”city” type=”xs:string”/> […]