Information Brisked Up
Browse through some core technical topics
In this post we’ll discuss some simple steps to use Spring’s @Scheduled annotation to schedule tasks which are to be invoked automatically and executed at a specific interval of time. 1) Enable Spring’s task scheduling capability @EnableScheduling annotation should be added to the Spring Boot application class in order to enable Spring’s scheduled task execution […]
Continue ReadingHow to return a custom object from Spring Data JPA? Using JPQL Constructor Expressions in Spring Boot JPA Repository
Continue ReadingDifference between @Controller and @RestController annotations in Spring Framework. RESTful web services in Spring.
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How to use Jasypt in a Spring Boot application? A detailed guide to encrypting application properties using Jasypt.
Continue ReadingHow to use setenv.sh or setenv.bat script in Apache Tomcat
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Difference between Apache Tomcat catalina.sh and startup.sh scripts
Continue ReadingFirst of all, what is CAPTCHA? CAPTCHA is an acronym that stands for “Completely Automated Public Turing test to tell Computers and Humans Apart“. It is a ‘simple for humans but hard for bots’ challenge given to the online users to prove that they are humans. reCAPTCHA is a free service from Google to protect […]
Continue ReadingYou might have used Google reCAPTCHA v2 to protect your site from bots. With reCAPTCHA version 2, you can either use the famous “I’m not a robot” checkbox or the “Invisible reCAPTCHA badge”. While the previous versions demand some user interactions, reCAPTCHA v3 is incredibly invisible. Everything works in the background and users don’t need […]
Continue ReadingWe handle successful authentications by implementing the onAuthenticationSuccess() method of Spring Security’s AuthenticationSuccessHandler Interface. We write our own code to handle the activities and flow for successfully logged in users. Similarly we can handle the authentication failures using Spring Security’s AuthenticationFailureHandler Interface. Spring handles authentication failures and redirect users to the login page by itself […]
Continue ReadingjsPDF is a javascript library to generate PDF files from your HTML content. Following are the steps to implement: First, you should load the js either by using the cdn: or by locally downloading it from: Now let’s add the javascript code: Above is the javascript part and following is your HTML div element: This […]
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