Kode Log

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Tomcat Log4j Dynamic Logging

Tomcat Log4j Dynamic Logging Using log4j with DailyRollingFileAppender in Tomcat? Well, if you run Tomcat as a windows service, you might have noticed that your logs do not rotate daily.  The logs rotate only when the server is restarted. Although… Continue Reading →

Admiring and Understanding LinkedBlockingQueue take Method

In order to admire the code of the implementation of the BlockingQueue, lets have a look at the LinkedBlockingQueue take method. Lets go through the code line by line, understanding the role of each line of code. Line 4: final AtomicInteger… Continue Reading →

Maven, Jenkins, Parameterized Builds – Basic Facts

Using maven and still struggling with the build process? Or wish it was better? What to expect out of the article? Building all the modules of a project at once Parameterized builds with jenkins Making your life easy Stating some… Continue Reading →

Special-Names in COBOL :: A Fancy thing in Vintage Language ?

It bring you out of the dull zone when you come across things like Special-Names  in cobol, otherwise English like programming language which may bore some of us. Of course we are talking about COBOL here. Let’s create a scenario… Continue Reading →

Static & Dynamic SQL in COBOL :: A Walk-Through

COBOL allows SQL queries to be executed both Statically and dynamically. However it’s often confusing that when Static SQL is to be used and when  Dynamic SQL. This will be quite clear once you know the exact difference between the… Continue Reading →

IEBPTPCH :: Merge PDS Members in a PS File.

IBM provides a utility, IEBPTPCH, to merge members of PDS (Partitioned Dataset) into a PS (Physical Sequential) file. However the sole purpose of this utility is to Print or Punch all or part of datasets (PS or PDS). So we… Continue Reading →

PS File Record Format :: Fixed block or Variable block?

Most commonly used file formats for a PS file are Fixed Block (FB) & Variable Block (VB). At times when we are uncertain of the file format, we can easily deduce that using LISTDS command with IKJEFT01 utility in JCL…. Continue Reading →

IGYWCLG :: COBOL File handling in JCL SYSIN Card.

In previous post we have seen how to execute a COBOL program (Add 2 numbers) in JCL Sysin Card. This post is concentrating more on how to accomplish a complex task for e.g. File handling using IGYWCLG. All we got… Continue Reading →

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