Herong's Tutorial Examples

JDBC Tutorials - Herong's Tutorial Examples
This JDBC tutorial book is a collection of notes and sample codes written by the author while he was learning JDBC technology himself. It can be used as a tutorial guide for beginners. Topics include Java, Database, JDBC, Driver, ODBC, Connection, DataSource, SQL, ResultSet, Metadata, Derby, MySQL, ... 2020-03-07, 6797👍, 10💬

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setAccelerator() - Setting Keyboard Accelerators on Menu Items
This section provides a tutorial example on how to use setAccelerator() method to associate accelerators to menu items. Accelerators allows user to interact with menu items using keys on keyboard. 2020-02-25, 124👍, 1💬

Chinese Web Pages with UTF-8 Encoding
This section describes how to create a Chinese HTML document in UTF-8 encoding and publish it on the Apache server. 2020-02-25, 19083👍, 6💬

💬 2020-02-25 Herong: Hope your project can help detecting the infection earlier and easier. Thanks!

💬 2020-02-24 beiswenger.com: Hi, I entered Chinese characters captured from Google Translate, and as you said, placed them in Notepad, named the file "index....

💬 2019-09-03 -连衣裙: -连衣裙

💬 2015-11-17 Herong: James, display sizes of Chinese characters in Chrome are controlled by CSS font-size properties associated with each HTML elemen...

💬 2015-11-16 james: Hi, At Windows 10, I use notepad++, the Chinese characters typed shows different sizes in title, a, p... However the result from...

"regedit.exe" - Changing Registry Values
This section provides a tutorial example on how to change registry values for the FreeCell game program, like increase the total number of games won. 2020-02-25, 984👍, 4💬

💬 2020-02-25 Herong: Bill, I am not sure if there is registry value for that on Windows XP. Newer versions of Windows do not put FreeCell settings in...

💬 2020-02-23 bill: Is there a reg edit that would allow the games to play in numerical order automatically

💬 2017-02-16 Herong: Johnny, The example given in this tutorial was based on Windows XP. FreeCell registry key will be at different locations in othe...

💬 2017-02-11 Johnny Jevidetti: What version of Windows are you using? Trying the steps you have outlined, my regedit is much different than the one you describ...

PDF Printing Version: Web Service Tutorials
Information on how to obtain the PDF version of this book for printing. 2020-02-25, 2714👍, 9💬

💬 2020-02-25 Herong: Yes, share knowledge!

💬 2020-02-19 vicky: share knowledge

💬 2016-01-08 Abhijeet: HI

💬 2015-12-22 Sunil: Thanks

💬 2015-12-18 pakki: to know about webservice with soap

(More comments ...)

List of Supported Character Encodings in Java
This section provides a list of supported character encodings supported in Java. The list is generated using the availableCharsets() static method in the java.nio.charset.Charset class. 2020-02-25, 15576👍, 3💬

💬 2020-02-25 Herong: Give me some clues, like where did you get this from?

💬 2020-02-19 kgs: Tell me encoding of this one: �� ...

💬 2015-11-27 nawed ahmed khan: Thanks☺

Illustration of DSA Algorithm: p,q=23,11
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=23 and prime divisor q=11. 2020-02-24, 247👍, 3💬

💬 2020-02-24 Herong: Sanjay, hash value of 3 was used as a simple example, not calculated.

💬 2020-02-18 Sanjay: How hash value h =3 ? how you calxulate

'native2ascii' - Encoding Converter Command and Options
This section describes the native-to-ASCII encoding converter 'native2ascii' and its options. Non-ASCII characters in a Java source file must be converted into \udddd Unicode sequences before giving it to the Java compiler. 2020-02-24, 2265👍, 20💬

💬 2019-12-18 sdad: Concernant l’entité susmentionnée, veuillez noter que les informations suivantes ont été mises à jour dans nos systèmes

💬 2019-12-18 Axel: Hello

💬 2019-03-23 cc: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-03-17 jack: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-01-19 bb: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

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Examples of CP1252 and ISO-8859-1 Encodings
This section provides examples of encoded byte sequences of the JVM default encoding, CP1252 encoding, on a Windows system. The ISO-8859-1 encoding is slightly different that the CP1252 encoding. 2020-02-24, 221👍, 2💬

💬 2020-02-24 Muhammad Ijaz: i am Muhammad Ijaz

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. 2020-02-23, 4949👍, 4💬

💬 2020-02-23 Herong: Mark, if your certificate is signed by your own CA, put it on the Apache server together with the CA certificate to test. Other ...

💬 2020-02-17 mark scorfield: Hi i have a pem certificate x509 that i would like to share against my own certificate signing authority , what is the best way ...

💬 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 ):

Using HttpURLConnection to Call GetSpeech SOAP 1.1
This section provides a tutorial example on how to use the java.net.HttpURLConnection class to call the GetSpeech SOAP 1.1 Web service provided by xmlme.com. 2020-02-23, 314👍, 2💬

💬 2020-02-23 Herong: Max, are you suggesting to write output as character sequences?

💬 2020-02-17 Max: try (OutputStreamWriter writer = new OutputStreamWriter(con.getOutputStre am(),"UTF-8")){ writer.write(soapXml); writer.flush();...

What Is a Digital Signature?
This section describes what is a digital signature and what is the process of generating and verifying digital signature from a message. 2020-02-23, 3043👍, 4💬

💬 2020-02-23 Herong: Sanjay, you are welcome!

💬 2020-02-17 Sanjay: Thank u so much

💬 2019-01-29 nilo: Hola

💬 2016-04-26 santosh patil: Its easy to understand

GB18030 Character Set and Encoding
This chapter provides notes and tutorial examples on GB18030 character set and encoding. Topics including history of GB character sets: GB2312, GB1300.1 (GBK) and GB18030; GB18030 encoding schema. 2020-02-20, 1010👍, 2💬

💬 2020-02-20 a: bière

💬 2016-10-17 asd: test

Decrypting Encrypted SOAP Message
This section describes how the message receiver should decrypt an encrypted SOAP message in 2 steps: decrypt the encrypted secret key with receiver's private key and decrypt the encrypted message with the secret key. 2020-02-19, 237👍, 1💬

💬 2020-02-19 lolzl337: alert('1');

Using "adb logcat" Command for Debugging
This chapter provides tutorial notes on the 'adb logcat' command. Topics include using 'adb logcat' command options and arguments; viewing log buffers: main, events, and radio; creating rotated log files; control log format as 'brief' or 'long'; filtering out log entries by priority and process tag;... 2020-02-14, 4375👍, 2💬

💬 2018-10-11 Jose: Tanks

Complex Element vs. Simple Element
This section describes what is a complex element and how to declare different types of complex elements. 2020-02-11, 464👍, 1💬

💬 2020-02-11 Abc: Good

DESSubkeysTest.java - DES Key Schedule Algorithm Illustration
This section provides a tutorial Java program, DESSubkeysTest.java, to illustrate how DES key schedule algorithm works. 2020-02-10, 873👍, 3💬

💬 2020-02-10 Art: No comments

💬 2018-07-20 aqil: havr fun

Two Types of "import" Statements
This section describes two types of 'import' statements: Single Type Import and On-Demand Type Import. 4 sample Java source files are provided to test 'import' statements. 2020-02-06, 272👍, 2💬

💬 2020-02-06 Herong: Abuja, “wildcard” import is called on-demand import.

💬 2020-02-02 Abina: there are two type of import 1.specific 2.wildcard the Specific is select and import one from API the second wildcard select all...

Measuring Speed of Light - Fizeau's Method
This section describes the method used by Armand Fizeau to measure the speed of light using using a rotating toothed wheel and a mirror. 2020-02-03, 139👍, 1💬

FOP Installation Verification
This section provides a tutorial on how to verify Apache™ FOP by running a FOP built-in example in an AWT preview window. 2020-01-28, 171👍, 2💬

💬 2020-01-28 Herong: Ghazi, check your installation of FOP, and find out the path where FOP is installed. You can start FOP with the path name like %...

💬 2020-01-28 Ghazi: fop n'est pas reconnue comme étant une commande interne....

XMLPad Crash When Validating Non-Conforming XML Documents
This section describes a failed test of validating a non-conforming XML document with the assigned XML Schema file (XSD), XMLPad Crashed. 2020-01-28, 139👍, 2💬

💬 2020-01-28 Herong: Matteo, which version of XMLPad are you using?

💬 2020-01-27 Matteo: WMHELP crash when load xml file with following error Access violation at address 00BB402C in module 'coreobj70.bpl'. Read of add...

HttpsHello.java - HTTPS Server Test Program
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.java. It writes back a simple Web page using the HTTPS protocol. 2020-01-28, 11523👍, 25💬

💬 2020-01-28 Herong: Bing, see Generating Private Keystutorial on how to creat JKS files.

💬 2020-01-24 BingLi224: how to create .jks certificate file correctly?

💬 2017-09-20 Herong: Sandeep, you need to create a server certificate in a .jks file first.

💬 2017-09-08 sandeep kumar shukla: I am getting following error while I run the servier program. java.io.FileNotFoundException: herong.jks (The system cannot find ...

💬 2016-09-21 Test: Hello. How are you?

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"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, 328👍, 2💬

💬 2020-01-28 Herong: Sword, a “light” node only stores block headers. So it can not perform any transactions without the help from a “full” or “fas...

💬 2020-01-23 sword_smith: Can you tell us what a 'fast' node can do that a 'light' node cannot do? Are there any RPC calls that will be slower or disabled...

Where Is TOC Located on a CD
This section provides basic information on physical location of TOC (Table Of Contents) CDs. 2020-01-28, 5520👍, 3💬

💬 2020-01-28 Herong: Robert, the last track should be near the outside.

💬 2020-01-19 Robert Honeyman: I'm ripping a CD and getting errors on the last track. Is the last track near the center of the CD or near the outside? Thanks i...

💬 2017-08-17 FÁBIO: gREAT INFORMATIONS! tHANKS

UFFF0: Specials
This section provides a quick summary of the Unicode code point block: 'Specials', which contains 16 code points to represent special codes 2020-01-28, 268👍, 1💬

💬 2020-01-28 Ronikleylopessalgado: 2020-1979=41

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