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Spring Data MongoDB Auto Sequence ID example
In this tutorial, we will show you how to generate an auto-incrementing sequence id in MongoDB + Spring Data environment.
Date: 2019-08-17 View: 1368
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Find out your Java heap memory size
In this article, we will show you how to use the -XX:+PrintFlagsFinal to find out your heap size detail. In Java, the default and maximum heap size are allocated based on this – ergonomics algorithm.
Date: 2019-08-17 View: 1266
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Grep for Windows findstr example
I love grep command on Linux, it helped to search and filter strings easily, always wonder what is the equivalent tool on Windows, and found this findstr recently.
Date: 2019-08-17 View: 1425
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Eclipse + Tomcat java.lang.OutOfMemoryError: Java heap space
In Eclipse IDE, run a Java web application with Tomcat server plugin, but the console prompts
Date: 2019-08-17 View: 1360
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jConsole JMX remote access on Tomcat
In this tutorial, we will show you how to use jConsole to remote access a Tomcat instance, for JVM monitoring stuff.
Date: 2019-08-17 View: 1241
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Java Get nameservers of a website
In this tutorial, we will show you how to get the nameservers of a website using Java + dig command.
Date: 2019-08-17 View: 1122
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Eclipse SimpleTagSupport was not found on the Java Build Path
Here is the development environment
Date: 2019-08-17 View: 1571
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The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved
Developing a Spring MVC, using a JSP file as a View resource.
Date: 2019-08-17 View: 1334
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How to install a Vim color scheme
In this tutorial, we will show you how to install a Vim editor color scheme named “distinguished“.
Date: 2019-08-17 View: 1060
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queryForObject() throws EmptyResultDataAccessException when record not found
Reviewing a legacy project, and found this Spring JDBC code snippets :
Date: 2019-08-17 View: 1381
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Spring Security Custom Login Form Annotation Example
In this tutorial, we will convert previous Spring Security custom login form (XML) project to a pure annotation-based project.
Date: 2019-08-17 View: 1617
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Python Read XML file (DOM Example)
In this example, we will show you how to read an XML file and print out its values, via Python xml.dom.minidom.
Date: 2019-08-17 View: 1333
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Cant delete records in MySQL Workbench
In MySQL workbench, issue a simple delete all commands
Date: 2019-08-17 View: 1207
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How to autowire DataSource in JdbcDaoSupport
A Simple DAO class extends JdbcDaoSupport, but, unable to inject or @autowired a “dataSource”, the method setDataSource is final, can’t override.
Date: 2019-08-17 View: 1443
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Spring Security : limit login attempts example
In this tutorial, we will show you how to limit login attempts in Spring Security, which means, if a user try to login with an invalid password more than 3 times, the system will lock the user and make it unable to login anymore.
Date: 2019-08-17 View: 2249