Herong's Tutorial Examples

Ethereum Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Ethereum and blockchain. Topics include include: What is Ethereum; What is blockchain; Ethereum market value; What is Go Ethereum (Geth); Running a private Ethereum network with Geth; What is Ethereum Mist wallet; What is MetaMask wallet; Ethereum mi... 2022-07-10, 3454👍, 4💬

Archived: blockexplorer.com API - Get Transaction Data
This section describes how to get transaction data with blockexplorer.com API. 2020-03-25, 529👍, 2💬

💬 2020-03-25 Herong: Chandana, do you know the transaction id?

💬 2020-03-21 Chandana De Silva: I need to know how to find "rawtx" of Bitcoin transaction. sisilchandana@gmail.com

Free Chinese Calendar 2020 - Year of the Rat
Want to know when is the 2020 Chinese New Year day? Look for free Chinese calendars for 2020? Chinese New Year Date for Year 2020 The Rat2020January 25SaturdayChinese New Year ⇒ Free Chinese Calendar 2021 - Year of the Ox ⇐ Chinese New Year Dates in 2020 to 2031 ⇑ Chinese New Year Dates in 2020 t... 2020-03-07, 28793👍, 0💬

Storing FORTRAN Program Code on Punch Cards
This section provides a quick introduction of syntax rules of early versions of FORTRAN language related to punch cards used to store FORTRAN program codes. 2020-03-07, 3170👍, 3💬

💬 2020-03-07 Herong: Brian, You are right. There is no need to use the sequence field when programs are stored in files. But when programs are stored...

💬 2020-03-06 Brian: You might want to note that the sequence number field, columns 73-80, are completely optional.

💬 2020-02-29 maria: nice

Microsoft JDBC Driver for SQL Server - sqljdbc42.jar
This chapter provides tutorial notes on sqljdbc42.jar, JDBC Driver 4.2 produced by Microsoft for SQL Server 2014. Topics include downloading and installing Microsoft JDBC Driver 4.2; loading sqljdbc42.jar; creating a connection to SQL Server with port number, instance name and database name; closing... 2020-03-06, 18667👍, 28💬

💬 2020-03-06 wy: thanks

💬 2020-03-04 Smile: thanks

💬 2020-02-25 Sean: thx

💬 2020-02-21 Eduardo: thanks

💬 2019-09-13 rohit: thanks

(More comments ...)

0600: Arabic
This section provides a quick summary of the Unicode code point block: 'Arabic', which contains 256 code points to represent alphabetic letters used in the Arabic language. 2020-03-06, 2395👍, 2💬

💬 2020-03-06 Wikrama Satyadarma, DVM: Jazakallah khairan katsiran.. This is what I looking for

💬 2015-08-07 محمد خالد سعد حسي: From the table we change every word to its Unicode symbol the table from

SoapUI Configuration for Messaging Encryption
This section provides a tutorial example on how to create a configuration entry to support SOAP messag encryption with an X.509 certificate in a JKS (Java KeyStore) file. 2020-02-29, 3331👍, 5💬

💬 2020-02-29 Herong: Phil, hope this will resolve your issue.

💬 2020-02-28 Phil Barr: I'm struggling with the same issue. Thanks for the steps you provided. I'll try and let you know.

💬 2019-06-01 Herong: Bishop, what type of c# script you want to generate?

💬 2019-05-27 bishop: how to generate c# script

💬 2017-04-26 hayley williams: Luisa Fernanda Moya Perez te amo!!

Perl Script Conversion Tools
This section describes why and how to convert Perl script files to executable binary files. ActivePerl Dev Kit and Perl2Exe are two popular conversion tools for Windows systems. 2020-02-29, 1956👍, 6💬

💬 2020-02-29 smith: alert(1)

💬 2019-07-21 Herong: rrr, Thanks for sharing your Perl script. But I don't see any benefit of removing BOM from a Unicode text file. Without BOM, the...

💬 2019-07-20 rrr: # program to remove a leading UTF-8 BOM from a file # works both STDIN -> STDOUT and on the spot (with filename as argument) if ...

💬 2016-03-28 de: ~ m/^p(\d+)_.*\

💬 2016-01-27 Herong: Ram, can you tell us what is the purpose of your Perl script?

(More comments ...)

Table Row Borders and Column Borders
This section provides a tutorial example on how to create tables with row borders and column borders. Border attributes can be specified at table-row and table-column formatting objects. 2020-02-26, 5141👍, 1💬

💬 2020-02-26 Steamless: meaningful comments. Thanks! ☺

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💬

PDF Printing Version: Web Service Tutorials
Information on how to obtain the PDF version of this book for printing. 2020-02-25, 3433👍, 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, 22915👍, 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☺

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, 1200👍, 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, 3731👍, 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

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, 1693👍, 1💬

💬 2020-02-19 lolzl337: alert('1');

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, 4364👍, 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, 1312👍, 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, 2073👍, 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...

FOP Installation Verification on Windows
This section provides a tutorial on how to verify Apache™ FOP by running a FOP built-in example in an AWT preview window on Windows systems. 2020-01-28, 1045👍, 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, 521👍, 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, 13574👍, 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?

(More comments ...)

"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, 4809👍, 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, 9230👍, 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

The document.write() Method
This section provides a quick description of the document.write() method and a simple tutorial example of using the document.write() method. 2020-01-24, 1448👍, 1💬

💬 2020-01-24 Samso: Thanks for this wonderful blog that you have designed in this page. Very informative and effective article. Ver inspired article...

Removing IE Addon "Java Plug in SSV Helper"
This section provides a tutorial example on how to disable and remove 'Java-Plug-in-SSV-Helper' addon from Internet Explorer. 2020-01-21, 1526👍, 1💬

💬 2020-01-21 william j rock 51: my name is William j rock 51 have medical device uin my head from home invasion robbery at 4301 hilboro dr yesenia seanz , is us...

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