Peter Plumbing Assoc., Inc.

We are very happy to finish the renovation project of

The owner, Peter Plumbing is one of the dependable plumbing companies in New York as well as New Jersey. Their business line includes, but not limited to, constructions, government regulatory inspections, boiler installation/conversion and fire sprinkler systems.

The company is led by a Master Plumber with public confidence, where the license is very prestigious in field of plumbing engineering in U.S.

All-That corp. is proud of the client satisfaction with the website project and hopes to go together in the long run.

Take a look at This website, we believe, will be the cornerstone of marketing activities.


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Master of OS


Recently, new operating systems came up on the technology theatre.

It is the fact, these days, that people can choose other operating systems. To name a few, Windows, OS X, Linux, iOS, Android and Tizen OS from Samsung.

In earlier days, AT&T, GE and renowned technolgy leaders had joined in the Multics project in MIT to develop an innovative operating system. Actually some participants dropped in the middle without obvious achievements due to the budget crunch.

The engineers returned back to their position in AT&T Bell Lab., took the key ideas from Multics to spawn a new operating system called Unix and C programming language. The name Unix hints the origin is Multics. And they opened the source to the public to generate so many advocates around the world.

Premium at no cost!

The world was on fire. It was natural all global computers were trying to install Unix for their OS.

For decades, Unix has grown up to mutate itself into brothers like HP-UX, Solaris and AIX, 99% same in functions, but they are not free anymore.  Unix advocates lost the ground.

Linux is open source again. In a web server project, I found that Linux is same with Unix in blood and fast as Unix, and last but not least, free again.

Google launched Android for open source. I heard that Android takes the Linux as its kernel, which is the intrinsic part of OS.  Currently Android is occupying only mobile platform area, but expanding its territory to specialty areas, like TV, Auto and Wear.

OS is the platform in computer world. If someone takes the OS, he/she starts game on a absolutely advantageous footing.

Guess! In 10 years, who will be the master of OS?


Sun Kim

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Why SSH?

Today is the age of specialization and cooperation.

Sometimes, I feel the level of specialization could be a criteria to distinguish the advanced group from the lagging group.

Working on the web based contents management projects, I am used to make tasks into 3 groups to push for organized development. The first one is a content management system like the WordPress or the Drupal which is sort of an open source. The next would be the design for artistic appearance and functional advantage. The last but not least important is the web server itself, for example,Unix, Windows Server or whatever in practice.

In terms of technical influence in Internet project, web servers take the top position for it is a kind of ground which provides everything to one on it. Certain web developers rarely notice the limitation imposed by their web server. Frustrated, they changed their codes forever to give up the project. That’s why I pay attention to the web server performance and functionality.

For web server engineering, there is a single gate to pass in, SSH or Secure Shell. SSH is one of the official tools. It provides me with a cryptographic network protocol. Using it, I can give commands to my web server over the Internet. Without SSH, web developers usually use the FTP or sFTP which is different from the SSH. FTP just mimics the tiny portion of SSH operation.

Nevertheless, most web developers could not use SSH for two reasons. It takes long time to learn. That’s OK. The real problem is the web hosting company reluctant to open the gate.

For last 2 weeks, I wasted time to open the gate of SSH at one of the largest web hosting company in states. When I asked for SSH, they agreed to upgrade my web hosting service. After upgrade, they again suggested me to use the FTP only.

Hmmm! With SSH, I can can use the wget command to download 7MB file in 1-3 seconds. With FTP, it usually takes me cumbersome 2 steps in 5-30 minutes.

I insisted SSH. Call transfer after call transfer, I talked to several staffs. But it does not work. They seem to announce they are not blocking my SSH. If I ask in detail, they answered “No idea”.

They started to suspect my network problem. I explained them my SSH works good for another web hosting service. But they answered it does not help my request. They insisted they have no problem.

They never say they are blocking my SSH connection.


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C# and DropBox

These days, DropBox(TM) is one of the hot potatoes in technology world.

It enables us to share and communicate data without the need of complicated technical platform.
Recently, the C# language joins in the API groups even though the developmental information looks not enough.

For reliable interface to dropbox folders and files, I need API. They say that SharpBox is good for C# developers, but it seems outdated since 2 years ago. DropboxRestAPI could be another. Till now I have no idea of difference among them.

Through trial-and-error, I found the fact that

  • the old IDE VS2010 Express should be upgraded to VS2015;
  • .NET framework also need to be v.4.5;
  • Package Manager Console must be used in IDE to install the API package;
In case of VS2012, Package Manager Console failed to find the Dropbox.api. Instead, Manage NuGet Packages menu found the Dropbox v2 API Beta to install successfully, which should be figured out the difference between them later.

Once successfully installed DropBox API, what will be the next?

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Intake Download

Download an INTAKE_form



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Successful Launch of UB_04 generation System in SR Homecare of NY

Tomorrow is the thanksgiving day of 2015. So, SR Homecare of NY, the home care company seems to be happy to give me a gift.

They managed to install successfully

  • the UB_04 billing system where C# and iTextSharp libraries were widely employed;
  • the automatic face cropping utility where C# and EMGU facilities were utilized.

I am sure that they could cut the related labor cost about  to the half of present.

See Letter of Appreciation


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Prestashop – Extending the Credit Card Expiration Date


A company called in my office for a help. They have a website based on the Prestashop, the free eCommerce software. Long time ago, a web master downloaded it to build an Internet shopping mall which starts to make a problem recently.

The problem is

  • a customer has a credit card with expiration date of 2020;
  • the website provides the expiration date up to 2019;
  • and they do not have a web master anymore;

Since they wanted a hotfix, I walked straight into their web server and found

  • a Smarty template is employed in the system;
  • “authorizeaim.tpl” is the target template file which is shown below;

Source code of template


In Smarty, the “loop” variable in {section} function is designed to provide the specified value minus one as a maximum value. Therefore, in the above case, the end year would be 2019 because the “loop” variable is “20”.

Now, all we have to do in this errand is to change the “loop” value from “20” to “25” and it will extend the last expiration year to 2024.


Voila, it works!



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Computer Beginners’ Workbook for Korean Seniors

Recently we published a computer book which is being used as a workbook in the computer beginners’ class in New York Adult Day Care Center. The target reader of the book is the Korean seniors who

  • have little knowledge of computer systems and computer utilization;
  • want to learn a personal computer skills;
  • live in United States;
Cover Design

Cover Design of Book

The key design concept of this book is a drill-down of the essential topics. At first, not-so-many essential topics are selected that seniors may concentrate on the topics without mess-up. Then the topics are broken down into subordinate knowledge/skills to get the balanced knowledge trees. This scheme of lessons are given to seniors by systematic step-by-step approaches day by day.

  • Size: 238 pages;
  • Binding: Paperback;
  • ISBN-13: 978-0991587407;

This book could be ordered at

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Hello 2014!

How are you!

In New York, we are happy to see everyone holding a smart phone or using a computer tablet these days.

Today, something changed. The most popular recruit method is no more a newspaper, it’s Internet websites. Many offline stores closed their business because lots of customers prefer a shopping at Internet mall. End users are already getting into the wave of Networked Information (NI).

As we look at the spectrum of Information Technology (IT) utilization in New York City small businesses, however, we admit that major computer power consumers still stay in IT revolution phase which is the previous stage of NI.

For those consumers, we have proudly played a small role of education, programming and helping others. We participated in

  • teaching in computer class;
  • publishing the absolute beginners’ computer workbook;
  • development of various websites;
  • programming of business software;
In technology, we take client’s difficulties very seriously. We are able to bring our standards to clients’ level and keep a low profile against our clients. We believe that’s what the most clients expect in our professional service.
Use our expertise for your success!
Sun Kim

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To copy a project in C# (C sharp)

Revisiting C# (sharp), the land of abundance


Recently I need to make Windows forms application software for a small business.

Tested my old friend, Delphi 2007, the IDE used in my old employer, I found it expired or invalid for some reasons. Asked the old employer to reinstate my gear, but no action! Hmm ~

Microsoft C# (C sharp) happens to be up in my thought. Gratefully and reportedly it is free of charge since years ago. Downloaded and installed, it took me a day to finish everything to upgrade my development environment from Windows XP to Windows 7 .

With good memories of C sharp in early stages, I was excited to confirm this free version of C# 2010 express so robust and versatile in programming duties.

Followed up the installation of application into Windows 8 platform successfully, I am likely to expand the use of C sharp for the future PC programming tasks for a while.

Followings are the rundowns to reuse the projects in C# 2010 express (=IDE). Duplication of the form and code  in a development project  is highly recommended to save time, but somewhat cumbersome and error-prone. That’s why I make this note.


To copy and modify the Form1 in C sharp 2010 express


Step 1. [IDE] File / New Project

a. Set project name at Name field;
b. Save the target project and exit;

Step 2. [Windows Folder]

a. Copy the original project folder into the target project folder as a subordinate one;

Step 3. [IDE] Solution Explorer Window

a. Right-click the name of solution;
b. Click the “Add” and “Existing Project …”;
c. At “Add Existing Project Form”
…(1) Navigate to the project just copied (=the subordinate folder in step 2);
…(2) Open “.csproj” project file;
d. Confirm the newly copied project (with old stuff) created at the end of the solution component tree;

Step 4. [IDE] Solution Explorer Window

a. Double-click the Form1.cs of newly copied project to open;

Step 5. [IDE] File / Save As

a. Save the opened Form1.cs into the target project;
b. Confirm it if IDE asks the replacement of existing Form1 design file;
c. Confirm it if IDE asks the replacement of existing Form1 code file;
d. Check the check-box if IDE shows it for “Apply to All”;

Step 6. [IDE] Solution Explorer Window

a. R/click at the target project to see the options;
b. Select option “Set as Start Up Project”;
c. R/click at the copied project;
d. Select option “Remove”;

Step 7. [IDE] File / Save All

a. Save all and close the solution;

Step 8. [IDE] File / Open Project

a. Open the target project;

Step 9. [IDE] Solution Explorer Window

a. Double click the “Form1.cs” to open it;

Step 10. [IDE] File / View / Code

a. Wait the code file opened;
b. Find the namespace keyword and the old name given (at a line after the using directive group);
c. Change the old name to new one (typically same as your target project name);
d. If the rename option appears, then accept it;

Step 11. [IDE] File / Save All

a. Save all and close the solution;

Step 12. [Windows Folder]

a. Delete the copied old project folder under the target project folder;


Finally the Form1 design and codes are duplicated in this new target project. Without affecting the old project, now, we can expand it within the target project.

[Update for large project – 04/28/2014]

1. In case of large project,  all .CS files and. SDF dB files files would be required to be copied into the new project. For that, the object files may be copied at the old project and pasted into the new project within the solution explorer, instead of open/save in Steps 4-5 [IDE].

2. During .SDF duplication, the “Data Source Configuration” wizard shall come up. For the database model, “Dataset” would be given and “Tables” check-box should be marked for the database object.

3. If .RESX files are corrupted, then remove it from the new project and rebuild.

4. DataSet.XSD file should be automatically built if a .SDF DB file be copied.

5. If icon or pictures are involved, the “Resources” folder should be copied into the new project folder additionally. In IDE > Project > Resources menu, Icon file and picture files could be loaded respectively.

6. References may need to be added in IDE. For example,

       .NET > System.Windows.Forms.DataVisualization for Chart
COM > Microsoft Office 15.0 Object Library
.NET > Microsoft.Office.Interop.Excel for Excel embeded
.NET > System.Data.SqlServerCe for SQL Server Compact


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