From today we apply HTTPS (encrypted transmission) protocol to vietvang.net website. (HTTPS text is shown in blue in the address bar).
The encrypted website address will be https://vietvang.net. The display speed of the website is somewhat slower but ensures that all displayed information is securely encrypted.
We are also ready to advise businesses on HTTPS with a Digital Certificate created by yourself or purchased from an international supplier – (Vietnamese style is applicable).
On November 10, 2014, the website vv-pos.net was launched for VVPOS system. Is a place to provide information about the VVPOS system, where documents are directed and how to use the system.
On November 10, 2014, Viet Vang successfully deployed the VVPOS system for the food court (17 Japanese restaurants) in AEON Binh Duong supermarket. With a large number of customers, VVPOS has provided a sales management system for this chain of stores. main fuction
The following are images of the system deployed at AEON Binh Duong supermarket.
Last July, Viet Vang Company, the website builder and operator for the Ho Chi Minh City Table Tennis Federation, successfully operated (2nd year in a row) the function of posting live results for the tournament. 2014 Golden Racquet Tournament. Currently, pingponghcm.org website of the Ho Chi Minh Football Federation is the only website among the websites of sports departments in Vietnam that has a specially designed database system (DataBase). for storing and displaying match results. With 2 consecutive years of success in entering and reporting match results, Viet Vang can be confident about the rationality of the Database design, website architecture, ready for many tournaments. after that.
Especially, this year, Viet Vang has further developed the Video Library function for pingponghcm.org website in the same way that the international table tennis (ITTF) website has done, please visit at: http ://pingponghcm.org/video.php
Learn Java Servlets for free
Time: 20 sessions
Quantity:10 people (will stop accepting applications when there are enough people).
Time: 8:30am -> 5:00pm
Estimated opening time: 24/06/2014.
Study place: Viet Vang company office, 457 Au Co, Phu Trung Ward, Tan Phu District.
Curriculum: Introduction to JSP – Japanese Servlet.
Get profile: 
There is currently room for: 5 people..
Condition:
Benefits:
Course content::
Environment settings Java, MySQL, Apache
Create forms, handle input values, loop
Query, Header, Cookie
Data types Date, Mảng, file
Logs, DOM (XML)
Connect DataBase
Download data from DataBase
Link JSP – Servlet – JavaBean
Create an app.manifest file and set the requestedExecutionLevel property with admin rights. Will help software access to retrieve or write data to folders that need access permission to perform.
Error cannot POST data to the server
Images taken from iphone in particular and mobile devices in general when put into the computer will display the wrong dimension
Cause: On mobile devices, in order to display the correct image when the user holds the phone vertically or horizontally to take a photo, the device has changed the orientation attribute (a number) of the image.
| 1 | No rotation |
| 3 | Rotate 180 degrees |
| 6 | Turn 90 degrees clockwise |
| 8 | Rotate counterclockwise 90 degrees |
| NULL | No value exists |
How to fix: have to write a function that uses the orientation parameter to rotate the image correctly
When working, it is necessary to pay attention to the security of information for customers by preventing vulnerabilities in both server side (SQL injection, CSRF, permission, ..) and client side (XSS, ..).
Android App cannot print invoices
Solution: use Printer Functions from the php_printer.dll library of PHP 5.5.x to be able to print invoices for the App
