About QuickSort Wikipedia QuickSort definition. General idea revolves around partitioning a list where values less than pivot go into left list while greater than go into right list. Pivot here is the first item of the passed in list. We apply this recursively to the sublists them merge left+pivot+right. CPP Code First of all not …
Here is implementation of level order traversal of a binary tree. Level order traversal is nothing more than traversing each level at a time 10 Lev 1 / \ 9 15 Lev 2 / / \ 7 12 17 Lev 3 Output 10 9 15 7 12 17 AVL Tree example ++++++++++++++++++++++ 69: 29 77 …
Sometimes we like to see whats going on under the hood of jsf application (Checkout my JSFConsole). One such task is being able to display all the registered managed-beans during runtime. Here we can see all registered beans, including implicit object(cookie,header,param etc…) Result a4j a4jSkin ajaxContext ajaxHandler application applicationScope beeHive — My Managed bean cookie …
Problem When we add default constraint on a field it is automatically assigned a name in following format Format: DF__tablename__PARTOFFIELDNAME__HASHCODE Example: DF__scheduled__CREAT__00DF2177 DF__scheduled__MODIF__01D345B0Format: DF__tablename__PARTOFFIELDNAME__HASHCODE Example: DF__scheduled__CREAT__00DF2177 DF__scheduled__MODIF__01D345B0 HashCode part of the format is different on each database so we can’t just find the name of constraint and use that in our alter script. That’s when …
PhaseListener designed to serve resources like css, javascript, images, pdf etc.. from jar file ResourcePhaseListener.java All required files can be downloaded here. package com.gregbugaj.jsfdump.console; import java.io.IOException; import java.io.InputStream; import java.util.HashMap; import java.util.Map; import javax.activation.MimetypesFileTypeMap; import javax.faces.context.FacesContext; import javax.faces.event.PhaseEvent; import javax.faces.event.PhaseId; import javax.faces.event.PhaseListener; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletResponse; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; …
Changing column size in both MySQL and MS SQL Server. When changing from wider to narrower size data might be truncated so be aware of that. MySQL ALTER TABLE workbook MODIFY NAME VARCHAR(255) ALTER TABLE workbook modify NAME varchar(255) MS SQL ALTER TABLE workbook ALTER COLUMN [NAME] VARCHAR(255) NULL GOALTER TABLE workbook ALTER COLUMN [NAME] …
Exactly what the title says, this snippet will fire all job for all schedulers registered. // Get our scheduler factory StdSchedulerFactory schedulerFactory = new StdSchedulerFactory(); Collection<Scheduler> schedulers=schedulerFactory.getAllSchedulers(); for(Scheduler scheduler:schedulers){ System.out.println("scheduler "+scheduler.getSchedulerName()); String[] groups=scheduler.getJobGroupNames(); for(String jobGroup:groups){ System.out.println(" ** GROUP="+jobGroup); String[] jobNames=scheduler.getJobNames(jobGroup); for(String jobName:jobNames){ System.out.println(" ** jobName="+jobName); //Fire actuall job scheduler.triggerJob(jobName, jobGroup); } } }// Get our …
Sometime we need to provide one script that works on multiple server, here is how to do in for SQL Servers 2000 and 2005. We will use simple technique to detect the server type using the serverproperty(‘ProductVersion’) for a list of options visit SERVERPROPERTY (Transact-SQL). So lets see what are the pros and cons of …
While converting from Ant to Maven2 i have came across following error while trying to compile the project generics are not supported in -source 1.4 (try -source 1.5 to enable generics) private Map variables; To fix the problem we need to add the pluggin configuration to our pom.xml <project> … <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> …
Specifying java source and target version in Maven 2 Read More »
For better experience for users of my app I wanted to show them different UI based on their network speed, problem here is that there is no way to know what network we are currently on. My first instinct was to use android.net.ConnectivityManager getActiveNetworkInfo() which gives us current network information, but the only thing we …
Detecting Network Speed and Type on Android (Edge,3G) Read More »
