Month: March 2017

Find Out the Right Types of SSL Certificate for Your Website

Posted on by Mario

Find out the right types of SLL certificate fo your website

Since, Google cybercrime gets bigger and bigger nowadays, the way Google assesses a website is change. In fact, Google is among the most proactive, they give better rewards to sites whose adding SSL certificates (or HTTPS). This makes many SEO engineers put a good attention on SSL certificate for their better SEO service. But, you need to be more careful in choosing the right SSL certificate, as there are many types of SSL certificate. Each SSL types use the same standard encryption methods but each option has their own requirements and distinct characteristics.

Option #1. Single Domain

Single domain (or single-name) SSL certificates protect a single domain. This SSL type really works well for simple and straightforward content-based sites. These sites include B2B sites, e-commerce ones where all transactions occur on a single domain. Someone has to get an authenticated domain ownership when she/he wants to get a “Domain-validated”.

Option #2. Multi-Domain (SAN)

Multi-domain SSL certificates are also what they sound like. Multi-domain SSL certificates are also referred to as “SAN” (for Subject Alternative Names). With SAN and one multi-domain SSL certificate, it will cover a suite of sites. So, they provide flexibility for covering sites that might go away or not yet exist.

Option #3 Wildcard

If you want to cover all subdomains on a single root domain or host name, wildcard SSL certificates will be suitable for you. It uses an unsecure, content-driven ‘marketing’ site on the primary domain. Fortunately, this SSL’s type can run all purchase-related through a secure subdomain. With this single wildcard SSL certificate, you can simplify the mess, and it also protects the main site.

Option #4 Organization

Organization SSL certificates works to authenticate a company’s identity and information, such as the company’s primary address, and etc. You may think that this is similar to single domain. But in organization SSL certificates, you will get more content-based sites. By this, you don’t need to secure an e-commerce or payments component.

Moreover, you also will be asked to confirm and authenticate the other organization-related details as well.

Option #5 Extended

The last option, called as extended is better known as the most secure option. They do the extra organization validation bit by verifying the domain. It also double checks the legal corporation. It will also show a green address bar on most modern browsers for your troubles. In Chrome, you’ll also get the company name like this Twitter example below:

1

Credibility is what you’re paying for here. But, the secure connection uses on your site are that different than any other reputable SSL connection.

Hence, by selecting the right SSL certificate types, you’ll get a single certificate to purchase and set up to protect multiple different sites.

How to Avoid Design Fails through a Usability Test

Posted on by Mario

how-to-avoid-a-design-fails-through-a-usability-test

As web designers, one of the lessons that will come in handy is learning objectives. With these objectives, a designer will figure out whether a design has passed or failed a usability test. Here are few things that you should know.

Verbs are Magical

One of the books that can teach you about learning objectives is George Piskurich’s Rapid Instructional Design. These books will provide you with list of behaviors to start your success criteria.

For example, you need to describe or demonstrate your objectives for comprehension rather than just understand it.

After obtain a higher level, a participant might develop their work stage into “explain” or “organize”, and even “create” or “evaluate”.

Think through the End of the Session

When you start planning your next usability test and you’re working on tasks, you can ask yourself a simple question like, “What should a user be able to do with this design?”

This question will take you to these answers:

  • Track three hours of time for a particular project;
  • Generate an invoice to a client based on that tracked time;
  • Describe the difference between tracking time and logging time.

Those three statements will guide you to give three success criteria to the participants. Success is different with tasks, even though it may sound similar. Success criteria are for your team, while the task is for the participant in the context of the usability session. In fact, in the explanation above, you’ll see that success criteria are about describing something. For instance, following-up question to a task rather than completing a task.

Stakeholders Love Success Criteria

Since stakeholders’ orientation is on your results rather than on your process. They will be terribly irritated, if your presentation of the results is vague.

So, using success criteria can help you clarify whether your design is really successful. They make it easier to share those results.

To help you track your success criteria, you can create a simple table with a color coding, such as below:

web designer

On the table, you can find where the problems are and grounds the results in the experiences of actual participants.

introduction of JDBC Connection Pooling

Posted on by Mario

jdbc-connection-pooling

This article will tell you about how web developers can provide a strategy for applications that must handle connection pooling. This document will give an overview of JDBC connection pooling as specified by the JDBC 3.0 specification. This Connection Pool Manager is shipped with DataDirect Connect® for JDBC and DataDirect SequeLink® for JDBC. Finally, this document provides an example showing performance benchmarks that demonstrate the performance benefit by using connection pooling.

Connection Pooling

On the other side, establishing JDBC connections can be resource-expensive. Especially, when the JDBC API is used in a middle-tier server environment, or when DataDirect Connect for JDBC or DataDirect SequeLink for JDBC is running on a Java-enabled web server. In this condition, when connection pooling is used performance can be improved significantly. Rather than created connections each time a connection is requested, connection will be reused in Connection pooling. A connection pool works by a connection pooling module as a layer on top of any standard JDBC driver product.

Connection pooling will not affect how an application is coded as it will be performed in the background. However, the application must use a DataSource object (an object implementing the DataSource interface) in order to obtain a connection instead of using the DriverManager class. A class implementing the DataSource interface may or may not provide connection pooling. A DataSource object registers with a JNDI naming service. After a DataSource object is registered the application will retrieve it in the standard way from the JNDI naming service.

For example:

Context ctx = new InitialContext();
DataSource ds = (DataSource) ctx.lookup(“jdbc/SequeLink”);

The lookup returns a connection from the pool if one is available, if the DataSource object provides connection pooling. However, if there is no connection pooling or if there are no available connections in the pool, the lookup creates a new connection. The application will get advantages from connection reuse without the need to change any code. In fact, reused connections from the pool act the same way as newly created physical connections. Connection to the database and data access works in the usual way with the application. Furthermore, the application explicitly closes the connection, when the application has finished its work with the connection.

For example:

Connection con = ds.getConnection(“scott”, “tiger”);
// Do some database activities using the connection…
con.close();

For future reuse, the pooling module will get signal from the closing event on a pooled connection signals to place the connection back in the connection pool.