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The post is just an approach to change metadata (e.g maxlength, required, etc) of JSF components (e.g. inputText, selectOneMenue, etc) by Drools. Project structure Tools being used Java version 1.8.0_131 Apache Maven 3.5.0 Apache Tomcat 8.0.16 Don't forget to configure your confidential information on  these following files: pom.xml, settings.xml (Maven) and tomcat-users.xml (Tomcat). For example: Source code https://github.com/vnnvanhuong/java_lab/tree/master/jsfdrools

I have received the following exercise from an interviewer, he didn't give the name of the problem. Honestly, I have no idea how to solve this problem even I have tried to read it three times before. Since I used to be a person who always tells myself "I am not the one good at algorithms", but giving up something too soon which I feel that I didn't spend enough effort to overcome is not my way. Then, I have sticked on it for 24 hours. According to the given image on the problem, I tried to get more clues by searching. Thanks to Google, I found a similar problem on Hackerrank (attached link below). My target here was trying my best to just understand the problem and was trying to solve it accordingly by the Editorial on Hackerrank. Due to this circumstance, it turns me to love solving algorithms from now on (laugh). Check it out! Problem You are given a very organized square of size N (1-based index) and a list of S commands The i th command will follow t

I have joined several job interviews with candidates at my current company. As a technical supporter, my attention was mainly focused on specific technical points rather than behavioral ones. However, I saw that these following  typical   questions  were rarely missed for any interviews. In fact, there is a meaning behind of the questions.  The concern is candidates should focus on answering the right things that interviewers really want to know. Take a look! Introduce about yourself It is "What and why are you fit for this job?".  So, it is good to go "Talking too much about your hobbies."? I would say "We don't care about your hobbies much". ;) Why do you want to find a new job? It is "Why this job are interesting you?".  So, it is good to go "Talking about something negative like 'I hate my boss/leader'"? I would say "Who wants to work with a negative person?" What did you do in your current j

You're a developer. What do you do in your spare time? One of my most excited task for sharpening my skills is starting build a pet project. Motivation Slack is cool! It's free. It supports for team collaboration very well. However, my team only has storage limits due to a free account. We got a warning message as below: Your file was uploaded — it’s safe and sound in Slack. Unfortunately your team doesn’t have any storage space left. To get more space, you can upgrade to a paid account or delete some of your older files. Since my team plan of upgrading to a paid account is still up in the air, I intended to go with "deleting some of our older files" first. (But we will, Slack. You are great!) Play Around I got started by googling keyword "remove slack files". Here it is: https://get.slack.help/hc/en-us/articles/218159688-Delete-shared-files Uh huh! But I only could delete one file at a time . We're afraid it's not possible t