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How to get HTTP Response Header in Java

This example shows you how to get the Http response header values in Java.

轻舞肥羊2019-08-18【[Java]】
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How to Set $JAVA_HOME environment variable on Mac OS X

In this tutorial, we show you how to set $JAVA_HOME environment variable on latest or older Mac OSX.

轻舞肥羊2019-08-18【[Java]】
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Due to limitations of the BasicDBObject, you cant add a second $and

Using Spring data and Mongodb, below is a function to find data within a date range.

轻舞肥羊2019-08-18【[Java]】
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Maven, JAVA_HOME is not defined correctly on Mac OSX

Apple recommends to set JAVA_HOME to “/usr/libexec/java_home“, for example :

轻舞肥羊2019-08-18【[Java]】
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How to set environment variables on Mac OS X

In Mac OS X, you can set the environment variables in one of the following files :

轻舞肥羊2019-08-18【[Java]】
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How to install MongoDB on Mac OS X

A guide to show you how to install MongoDB on Mac OS X.

轻舞肥羊2019-08-18【[Java]】
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MongoDB : couldnt open /data/db/yourdb.ns errno:13 Permission denied

Starting MongoDB server, it shows error “Permission denied” on one of the database and shutdown the server automatically.

轻舞肥羊2019-08-18【[Java]】
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MongoDB Authentication example

This guide shows you how to enable authentication in MongoDB. The authentication is disabled by default. To configure it, you must first add a user to the “admin” database.

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Download JDK Source code for Mac OS X

The JDK source code is packaged in a src.jar, and should be in the JDK/Home folder. However, some JDK versions in Mac OSX didn’t include the source code or Javadoc.

轻舞肥羊2019-08-18【[Java]】
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Java HttpURLConnection follow redirect example

The HttpURLConnection‘s follow redirect is just an indicator, in fact it won’t help you to do the “real” http redirection, you still need to handle it manually.

轻舞肥羊2019-08-18【[Java]】
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Spring Data MongoDB : Save binary file, GridFS example

In MongoDB, you can use GridFS to store binary files. In this tutorial, we show you how to use Spring Data’s GridFsTemplate to store / read image in / from MongoDB.

轻舞肥羊2019-08-18【[Java]】
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MongoDB import and export example

In this tutorial, we show you how to backup and restore MongoDB with the commands : mongoexport and mongoimport.

轻舞肥羊2019-08-18【[Java]】
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Display a list of countries in Java

In this article, we show you how to use the Locale class to play around the list of countries.

轻舞肥羊2019-08-18【[Java]】
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How to read and parse CSV file in Java

A Comma-Separated Values (CSV) file is just a normal plain-text file, store data in column by column, and split it by a separator (e.g normally it is a comma “,”).

轻舞肥羊2019-08-18【[Java]】
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Spring asm dependency issue in Spring Data

Using Spring Data MongoDB 1.2.1.RELEASE and Spring core 3.2.2.RELEASE, while system is starting, it hits some weird spring-asm IncompatibleClassChangeError errors :

轻舞肥羊2019-08-18【[Java]】
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