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Java Get number of available processors
A code snippet to show you how to get the number of available processors / cores / CPUs in your environment.
Date: 2019-08-17 View: 1242
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Spring ${} is not working in @Value
A simple Spring @PropertySource example to read a properties file.
Date: 2019-08-17 View: 1381
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Logback different log file for each thread
In this tutorial, we will show you how to use Logback Mapped Diagnostic Context (MDC) and SiftingAppender to create a separate log file for each thread.
Date: 2019-08-17 View: 1391
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MongoDB Allow remote access
In this tutorial, we will show you how to enable remote access to a MongoDB server. Here is the tested environment :
Date: 2019-08-17 View: 1368
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Multiple SSH private keys Examples
To allow multiple private keys connect to different servers, edit ~/.ssh/config :
Date: 2019-08-17 View: 1229
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Spring @Value default value
In this tutorial, we will show you how to set a default value for @Value
Date: 2019-08-17 View: 1420
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Spring @Value Import a list from properties file
In this tutorial, we will show you how to import a “List” from a properties file, via Spring EL @Value
Date: 2019-08-17 View: 1321
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How to pass System Properties in web.xml
In Java standalone application, you can use -D option to pass in the system properties :
Date: 2019-08-17 View: 1244
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Gradle War Plugin Change output WAR filename
In Gradle, the WAR plugin will generate the final WAR file with the following pattern:
Date: 2019-08-17 View: 2172
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Spring Data MongoDB Select fields to return
In MongoDB console, you can use field:1 to select the fields to return from a query :
Date: 2019-08-17 View: 1513
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Spring MVC Beans loaded twice
A Spring MVC web application, noticed all the Spring’s beans are loaded twice!?
Date: 2019-08-17 View: 1816
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Gradle Application Plugin APP_HOME in applicationDefaultJvmArgs
In Gardle, the application plugin, you can pass the system properties via applicationDefaultJvmArgs :
Date: 2019-08-17 View: 2639
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Spring Data MongoDB Aggregation Grouping Example
In this tutorial, we will show you how to do the data grouping with Spring Data + MongoDB aggregation framework.
Date: 2019-08-17 View: 1551
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Gradle Create Java project structure automatically
To quick start a new Gradle Java project, type gradle init --type java-library
Date: 2019-08-17 View: 2090
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Java Math.pow example
A simple Math.pow example, display 2 to the power of 8.
Date: 2019-08-17 View: 1504