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UserInit - Winlogon Registry Key
This section provides a tutorial example on how to undo changes done by the PWS Trojan on the UserInit registry value under the HKLM\Software\Microsoft\Window sNT\CurrentVersion\Winlogon registry key.
2016-02-25, 3394👍, 2💬

💬 2015-10-22 Herong: Hi John, you are right that we need keep the comma at the end. Tutorial will be updated in the next version. Thanks.

💬 2015-10-21 John: You have left the comma off!! It is important you do not forget the comma or your computer will not boot. Userinit=C:\WINDOWS\sy...

javax.net.debug - Debugging SSL Socket Communication
This section provides a tutorial example on how to use JVM property, javax.net.debug, to turn on the SSL socket communication debug option. The debug output message can help you to know what exactly happens at the SSL layer.
2017-03-02, 3306👍, 2💬

💬 2017-03-02 Herong: hemanth, you can follow SSL Client Authentication tutorials to see how to enable client authentication.

💬 2017-03-01 hemanth: How do i enable client authentication. I know that i have to set server to need client auth which i did but what about the clien...

Retrieving CLOB Values with getClob() Method
This section describes how to retrieve CLOB values with the ResultSet.getClob() method.
2015-12-04, 3297👍, 1💬

💬 2015-12-04 asdadsads: hello its me

Declaring Root Elements - "element" Element
This section describes a tutorial example on how to use the Element Declaration Component to declare the root element for a conforming XML document.
2017-03-19, 3181👍, 3💬

💬 2017-03-19 Jay: Thanks dude...

💬 2016-02-02 Herong: Shashi, XML schema does not support unbounded root elements. Only one single root element is allowed. So your schema example is ...

💬 2016-02-01 Shashi: Can you have a root element, which is unbound? Like as follows? Can you please let me know if it valid?

Variable Declaration and "Dim" Statement
This section provides a quick introduction of what is a variable and how variable can be declared explicitly with a Dim statement and implicitly with an assignment statement.
2017-12-30, 3157👍, 3💬

💬 2017-12-30 l: k

💬 2014-12-14 Herong: Peter, Yes, you are correct. DIM is an abbreviation for "Declare in Memory", see "Siebel VB Language Reference" published by Ora...

💬 2014-12-01 Peter: Ehm DIM stands for "dimension"? Or perhaps it's an abbreviation for "Declare in memory"..

Loading JDBC Driver Class - ojdbc16.jar
This section describes how to load the Oracle JDBC driver class - ojdbc14.jar.
2017-03-07, 3134👍, 3💬

💬 2017-03-07 yuguohui: study and work

💬 2016-08-02 Herong: mukesh, Which test code are you running? The test code in this tutorial is just to test how to load the JDBC driver JAR file. Yo...

💬 2016-08-01 mukesh: Do not connect to DB - Error:java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:lis...

JDBC-ODBC - Creating DSN for MS Access
This section describes how to create a DSN that connected to a MS Access database file.
2015-09-20, 3025👍, 3💬

💬 2007-10-18 Herong: Evan, thanks for pointing out the typo on DSN. They are corrected now.

💬 2007-10-16 Evan: JDBC-ODBC - Creating DNS for MS Access should read "DSN" not "DNS"

Feedback on the Comment Module
The comment module on this Web site was extended from the original guestbook tool. If you have any feedback, please share it here.
2015-09-14, 2959👍, 26💬

💬 2015-09-14 Herong: The original guestbook has been retired as of Sep. 12, 2015.

💬 2012-04-17 M REAVES: NICE GUESTBOOK.

💬 2009-03-19 Bharat: Hi it really good guestbook i have seen. good job.

💬 2008-10-25 Biphendpoenda: Another test

💬 2008-07-02 Brin: Hello, nice site :)

(More comments ...)

Loading JDBC Driver for MySQL Server
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-5.1.36-bi n.jar.
2017-09-16, 2908👍, 3💬

💬 2017-09-16 vivek sharma: good

💬 2017-01-14 Herong: Thanks for the nice comment! ☺

💬 2017-01-13 jasonts2000: Thank you, this is the best example of how to test a JDBC connection to mysql that I have seen posted

"keytool" Commands and "keystore" Files
This chapter provides tutorial notes and example codes on the 'keytool' command. Topics include introduction of public key certificates, 'keystore' file, 'keytool' command; generating new keys and self-signed certificates; exporting and importing certificates; cloning certificates to share keys.
2015-11-23, 2890👍, 3💬

💬 2015-08-10 mike: Cool

Inputting Chinese Text to MySQL Database in UTF-8
This section describes how to take Chinese text from Web form and store it in MySQL database in UTF-8 encoding.
2017-05-09, 2882👍, 7💬

💬 2017-01-03 wade: 你好

💬 2016-07-22 正繁體字 ñ Jú: 正繁體字 ñ Jú

What Is scrrun.dll?
This section describes what is scrrun.dll - the Scripting Runtime DLL (Dynamic Link Library) provided by Microsoft with 6 classes: Dictionary, FileSystemObject, Drive, Folder, File, and TextStream.
2015-10-23, 2806👍, 2💬

💬 2015-10-23 Herong: Hi Derek, I think scrrun.dll is automatically loaded in Outlook. Try this in you macro: Set fs = CreateObject("Scripting.FileSys...

💬 2015-10-22 Derek: how do I give an outlook macro access to scrrun.dll?

"sc.exe" - A Command Line Tool to Manage Services
This section describes the Service Controller (SC) command line tool, sc.exe, which can be used to add new services, or to query, modify, start, stop and delete existing services.
2016-04-06, 2785👍, 1💬

💬 2016-04-06 Ambadas: ya great full command ...

GetWeatherByZipCode - Usage Description
This section describes the free Web service GetWeatherByZipCode provided by WebserviceX.NET. GetWeatherByZipCode allows you to retrieve weather forecast information for next 6 days for any given ZIP code in USA.
2016-05-28, 2758👍, 4💬

💬 2016-05-28 Herong: Prince, Thanks for sharing your experience. Are you able to make it work?

💬 2016-05-26 Prince Singh: The web service has been moved to a new location and it giving error. After cracking my brain over finding the mistake i have in...

💬 2015-08-04 Herong: Rupesh, Thanks for pointing out that this free web service has been moved to a new location. I will update the tutorial later.

💬 2015-08-04 rupesh: The wsdl is moved from the server. its giving error: System.Net.WebException: The request failed with the error message: -- &...

Using MySQL Noinstall Package
This section provides a tutorial example on how to download and install MySQL 5.7.10 noinstall package on a Windows system. Configuration is required to start MySQL 5.7.10 server.
2016-04-08, 2755👍, 5💬

💬 2016-04-08 Herong: Adara, noinstall package and normal package both offer the same MySQL server. The difference is that the normal package requires...

💬 2016-04-07 Adara: Based on the last comments it failed to install? What's the difference between the MySql noinstall and normal mySql?

💬 2016-02-26 Herong: Katy, you are right that the no-install version is better for learning MySQL administration. Thanks for sharing your comments.

💬 2016-02-25 Katy Kringe: It also created the key : HKEY_LOCAL_MACHINE\SYSTEM\CurrentCon trolSet\services\eventlog\Applicatio n\MySQL

💬 2016-02-25 Katy Kringe: I would like to use the no-install so as to better understand the program. Running the command shell with admin privileges and t...

Passing Arrays as Arguments
This section provides a tutorial example on how to pass an array as an arguments by reference to reverse positions of all elements in an array given as the argument.
2016-02-01, 2727👍, 0💬

Adding META-INF/MANIFEST.MF to JAR Files
This section provides a tutorial example on how to add manifest files to JAR files.
2016-05-12, 2705👍, 1💬

💬 2016-05-12 mps: nice..

MySQL CLOB (Character Large Object) - TEXT
This chapter provides tutorial notes on CLOB (Character Large Object) data types, TEXT, with MySQL JDBC Driver. Topics include creating tables to store CLOB values in MySQL server; inserting CLOB values with direct SQL INSERT statements, or PreparedStatement with setString(), setCharacterStream() or...
2017-06-12, 2686👍, 2💬

💬 2016-02-29 sasjkh: aposmu9pze9e9e9dudududududuoxnpduqwp oiudnxiopxpqwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww...

Certificate in PEM Format
This section describes what is certificate PEM (Privacy Enhanced Mail) format - A format uses PEM idea to convert a certificate in DER format to a message of printable characters. The conversion uses the Base64 encoding.
2016-03-30, 2684👍, 2💬

💬 2016-03-30 Herong: Bcbin, why don't you post your question here? Maybe others can help you too. Or send me an email directly.

💬 2016-03-27 bcbin: my name is bcbin, my email is bcbin@yahoo.com. please connecting me. i need you help ):

'com.sun.management.jmxremote.port' - JMX Agent for Remote Connection
This section provides a tutorial example on how to turn on the out-of-the-box JMX agent on Sun JVM for monitoring tool 'jconsole' to connect from remote machines.
2016-01-13, 2682👍, 1💬

💬 2016-01-13 vetri: Good

DsaSignatureGenerator.java - Generating DSA Digital Signature
This section provides tutorial example on how to generate a digital signature for a message file with a DSA private key using the SHA1withDSA algorithm.
2017-03-13, 2669👍, 5💬

💬 2017-03-13 dingdong: heheheheehhe

💬 2016-10-15 Herong: Akash, can you check to ensure your key is a DSA key?

💬 2016-10-14 Akash: Exception occurs as follows: java.security.spec.InvalidKeySpecExc eption:Inappropriate key specification what it means? can you ...

Oracle Database 11g Express Edition (XE) Installation
This section describes how to download, install, and start Oracle Database 11g Express Edition (XE).
2015-09-11, 2651👍, 4💬

💬 2015-09-11 Herong: Peter, what type of assignment requires you to install Oracle database server?

💬 2015-09-11 Peter M Chauke: Please allow me to write assignment no 2 for second Semester at Unisa becauese the disk I am having does not want to install

💬 2015-09-11 Peter M Chauke: Want to do assigment for Inntroduction to Databases in Oracle XE.Univ.exe

Installing AdventureWorksLT Sample Database
This section describes how to install AdventureWorksLT as a sample database on SQL Server.
2017-03-13, 2605👍, 5💬

💬 2017-03-13 Justme: Thank you so very, very much

💬 2017-01-31 Chriselle: Thank you! :)

💬 2016-08-30 Herong: browser, Sorry the title is outdated and needs to be updated to say AdventureWorks2014. Do you need help to install AdventureWor...

💬 2016-08-30 browser: Search brings up "Installing AdventureWorksLT Sample Database - Herong Yang" but when go to page it is for installing AdventureW...

Drawing Graphics - Using paint() on Frame
This section provides a tutorial example on how to override the paint() method in the javax.swing.JFrame class to draw graphics (a rectangle) on the frame window. This solution is not recommended.
2016-11-12, 2561👍, 2💬

💬 2016-11-12 SuperSasRabushna: I'm super saiyan!!! rabushna!

💬 2016-11-12 Ciciozxz: I think you are the best eu!

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