50 Pure CSS3 Drawed Graphics and Icon Animation

Here are 50 awesome pure CSS3 drawed graphics and icon animation with you. It’s free for download. CSS3 is indeed very powerful, Here is Pure CSS3 Drawed Graphics more than 50 free graphics and free icons, some graphics also with animation effects. Its looks so nice.

Lnmp installed on CentOS ,but can’t access to the website

Today, I installed lnmp on CentOS 7.6, after the lnmp installed on the Linux system, I can’t visit the website (by IP) anyway. I did the same work before and by the same steps to install lnmp on CentOS. However, why can’t visit to the website? I searched some solutions to solve this problem. I … Read more

MySQL error: Relay log write failure: could not queue event from master

When I am studying MariaDB Guys ClusterAutomated cluster deployment plan (MGC) based on Docker. I had completed all debugging, want to deploy a production environment MGC cluster. However, error 1595 occured: Relay log write failure: could not queue event from master. Production environment master database is MySQL 5.5. The new MGC use Mariadb up to … Read more

How to use Linux zip command to compress or decompress files?

Linux system with some powerful command tools, the zip command is one of its. Wen can use Linux zip command to compress or decompress files on Linux/Unix/Mac system. Every Linux command tools has its unique usage with some parameters. This article will show you how to use zip command to compress or decompress documents. The … Read more

How to delete files under migrations without causing any errors?

If you want to know how to delete files under migrations without causing any errors, then you should read the follow content. When we doing the Django development operation database, every modification we make will be recorded in the migration directory of the app directory in the form of files. However as the files increasing … Read more

A Open Source Blog Website Based on Django & Boostrap Framework

Here is a open source blog website based on Django and Boostrap framework for free download. This open source website bases on Django 2.1 and Python 3.6. The front-end style is driven by Bootstrap, which supports responsive layout and supports multiple terminal displays. Main function of the open source blog website Support guest message function … Read more

How to check if adview has ad running?

Question: I currently have an adView that is launched whenever an activity is launched. I’d like to check if that adView already has an Ad running and if it does then it continues running that Ad , however, if it does not have an Ad running then I would like to load and Ad intho that adView.

USB bulkTransfer between Android tablet and camera

Question: I would like to exchange data/commands between a camera and an Android tablet device using the bulkTransfer function. I wrote this Activity, but the method bulkTransfer returns -1 (error status). Why does it return the error?

Alternative to deprecated XmlJsonDataFormat in Apache Camel

Question: In Apache Camel, I was trying to use XmlJsonDataFormat to do a quick conversion from XML to JSON. However the XMLJSON (http://camel.apache.org/xmljson.html) has deprecated so I am not sure what is the best way to do that conversion aside from creating a processor.

Java Error: Could not find or load main class

Question: This question already has an answer here:22 Answers: You must ensure that you add the location of your .class file to your classpath. So, if its in the current folder then add . to your classpath.
Note that the windows classpath separator is a semi-colon ie ;

Android OkHttp and Retrofit breakpoint resume

Earlier we already know how to download files using OkHttp and Retrofit .When downloading files, you may encounter some unexpected situations, such as a network error or the user has suspended the download. Start the download again, if you want to start from the beginning, it will waste the previously downloaded content. The breakpoint resume function can … Read more

How to use Bluetooth 2.0 on Android?

This article will talke about how to use Bluetooth 2.0 on Android? The source code is based on Android L. Get the BluetoothAdapter, search for a Bluetooth device, initiate a socket connection, and get data from a peripheral Bluetooth device. SPP is rarely used now, and the mainstream is BLE. The common class BluetoothAdapter First … Read more

How to Start MySQL Server from the Command Line on Mac OS?

I installed MySQL on my Mac. I know how to start MySQL Server by using the MySQL.prefPane software installed in System Preference. I want to know how to start MySQL server from the command line.  What I did as the following: I tried the MySQL server from the command line, however it generates the following error: … Read more

Android OkHttp + Retrofit download file and progress monitor

Downloading files is a relatively common requirement. Given a url, we can use URLConnection to download the file . Files can also be downloaded via the stream using Android OkHttp. Add an interceptor to OkHttp to implement the monitoring of the download progress. Add an interceptor to OkHttp to implement the monitoring of the download progress. Use streams … Read more

Sliding Preview Images Panels Template with jQuery

This is A simple portfolio template, with project preview images that slide out to reveal the selected project. This time, we’ve been playing around with the idea of moving blocks of content as a way to transition from the main/gallery page to the project page. All panels move along the y-axis (x-axis on smaller devices), and … Read more

Awesome jQuery Plugin For Multi-functional Bootstrap Modal – Modal Extras

Here we will share one Awesome  jQuery Plugin For Multi-functional Bootstrap Modal – Modal Extras. Modal Extras is a small jQuery plugin to extend and enhance the default Bootstrap’s modal component. The plugin allows you to create customizable, AJAX-enabled content, image, video modal popups using Bootstrap’s styles and Modal.js. How to use Modal Extras: 1. Include the … Read more