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, 7128👍, 10💬

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Performance of Inserting Rows with a ResultSet
This section describes how to measure the performance of inserting rows using a ResultSet object. 2020-06-28, 110👍, 1💬

💬 2020-06-28 manohar: same problem came to me

Reciprocity of Time Dilation
This section introduces the reciprocity of time dilation. Elapsed time of a moving clock is slower when measured by a stationary observer; and elapsed time of a stationary clock is slower when measured by a moving observer. 2020-06-26, 952👍, 3💬

💬 2020-06-26 Don Pedro: Time dilation as an observer in special relativity...

💬 2017-12-09 Herong: Hanan, this is just a thought experiment. Actually, Amy and Bob will never be able to measure the other's clock.

💬 2017-12-05 Hanan Abid: And who is right Amy or Bob?? If they could see each other's clock. One clock would definitely be ahead of other or not its just...

Java Swing Tutorials - Herong's Tutorial Examples
This free Java Swing tutorial book is a collection of notes and sample codes written by the author while he was learning Java Swing himself. It can be used as a tutorial guide for beginners or a reference book for experienced developers. Topics include AWT, button, Chinese, component, event, frame, ... 2020-06-23, 6525👍, 7💬

💬 2020-06-23 Syahfiqah: done

💬 2020-06-23 Nurul ammar hani: Done

💬 2020-06-23 shahmir: done

💬 2020-06-23 Raizul Razali: Can gain more knowledge from this. So meaningful.

💬 2020-06-23 Zachary: Done

(More comments ...)

What Is JDK
This section describes what is JDK (Java Development Kit) - a development environment for building software applications and software components using the Java programming language. 2020-06-23, 121👍, 1💬

💬 2020-06-23 Hana: Done

SwingHello.java - My First Swing Program
This section provides a tutorial example on how to a simple Java Swing program. SwingHello.java is my first Swing program that displays a blank window with 'Hello world!' in the window title bar. 2020-06-23, 14431👍, 6💬

💬 2020-06-23 Najwa Khairina: Very helpful..thank you so much

💬 2020-01-21 samso: Thanks for this wonderful blog that you have designed in this page. Very informative and effective article. Ver inspired article...

💬 2017-09-05 jack: good

💬 2016-01-27 Herong: Neha, you can just put the following line into your batch file and run it: java -cp . SwingHello

💬 2016-01-26 neha: how to run above program through windows batch files

About This Book: EC Cryptography Tutorials
This section provides some detailed information about this book - EC Cryptography Tutorials - Herong's Tutorial Examples. 2020-06-23, 112👍, 1💬

💬 2020-06-23 chris: Thank so much ! All Crypto printed books in cart !! Very well done. Most useful books i've seen in quite some time.

SwingWorker - The Background Task Worker
This chapter provides tutorial notes and example codes on the java.swing.SwingWorker class. Topics include quick introduction of java.swing.SwingWorker; Example programs for catching final result, publishing intermediate values, updating progress property value, and connecting to JProgressBar compon... 2020-06-23, 119👍, 1💬

💬 2020-06-23 Husna hanis: Done :)

EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2020-06-23, 1499👍, 4💬

💬 2020-06-23 Herong: Chris, contact me by email. I will send you a PDF copy. Thanks for your comment.

💬 2020-06-22 chris: Sorry for fuss. Bought this ebook on google. bad idea. Should have not done that and just got the physical book or maybe ebook o...

💬 2019-07-02 Eleftheria Drosopoulou: Hello Herong, Nice blog! I am editor at Java Code Geeks (www.javacodegeeks.com). We have the JCG program (see www.javacodegeeks....

💬 2019-01-01 Yale: Thank you!

What Is "line-height" Attribute?
This section describes 'line-height' attribute for 'inline' formatting object. It is used to control the line height of the output inline area. 2020-06-22, 164👍, 1💬

💬 2020-06-22 Susy: thanks so much for the info!

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. 2020-06-22, 505👍, 4💬

💬 2020-06-22 Filip: Very helpful, thanks!

💬 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

Examples of Expressions
This section provides a tutorial example showing you different types of expressions. 2020-06-20, 127👍, 2💬

💬 2020-06-20 Herong: Ekko, Thanks for the interesting example. So the statement, "Operations of the same precedence value must be evaluated from left...

💬 2020-06-17 Ekko: There is another special precedence: Dim b, c, d b = c = d will be interpreted like b = (c = d)

JIMAGE - Java Image File Format
This section describes the Java image, JIMAGE, a special file format used to store class and resource files of multiple Java modules to support custom JRE. 2020-06-17, 130👍, 1💬

embedSWF() Function and Arguments
This section describes the embedWF() function provided in SWFObject 2 and its 5 required arguments and 5 optional arguments. 2020-06-15, 110👍, 1💬

"jshell> /edit" - Editing Code Snippet
This section provides a tutorial example on how to start the editor to enter and change a long code snippet in 'jshell'. 2020-06-11, 130👍, 2💬

💬 2020-06-11 Herong: Tarun, what platform are you using?

💬 2020-06-11 Tarun Teja: unable to edit my snippet

Retrieving CLOB Values with getString() Method
This section describes how to retrieve CLOB values with the ResultSet.getString() method. 2020-06-11, 185👍, 2💬

💬 2020-06-11 Herong: Connor, thanks for sharing your comment and the link. I will review and update accordingly.

💬 2020-06-10 Connor: This won't always work. If the Clob value is too large then the jdbc driver will truncate the value when using getString(). You ...

Winsock 2 SPI and LSP Layers
This section describes the Winsock 2 SPI (Service Provider Interface) architecture and LSP (Layered Service Provider) layers. 2020-06-10, 107👍, 1💬

Outdated: Windows XP Component "Update Root Certificates"
This section describes the process used by Windows XP component, Update Root Certificates, to communicate to Windows Update Web site to fetch a trusted root certificate and install in on the local computer automatically. 2020-06-08, 2242👍, 4💬

💬 2020-06-08 Herong: Onur, If the error is cause by IE auto-updating root certificate, you can download and install the missing root certificate manu...

💬 2020-06-01 Onur: Hi there, Since last a few weeks, although I have XP SP3 and the most recent crypt32.dll versioned 5.131.2600.6459, I get numero...

💬 2019-04-13 Herong: Leo, can you run the "certmgr" command on your Windows XP? It provides functions to install root certificates to your computer.

💬 2019-04-08 Leo: I know this article is outdated, but I'm still looking for a way to update the 'Root certificates' in Windows XP SP3, by install...

Windows Automatic Root Update Mechanism
This section describes the automated process used by Windows to communicate to Windows Update Web site to fetch a trusted root certificate and install it on the local computer, whenever the root certificate is needed. 2020-06-08, 188👍, 2💬

💬 2020-06-08 Herong: Onur, the question at the end of your comment was not very clear. Can you rephrase it in a different way?

💬 2020-06-05 Onur: Actually, this auto update mechanism is present on older Windows versions as low as XP. See the article here on this site: Outda...

Downloading and Installing Visual C# 2010 Express
This section provides a tutorial example on how to download and install Microsoft Visual C# 2010 Express edition on Windows systems. 2020-06-08, 4410👍, 22💬

💬 2020-06-08 zzzz: good

💬 2020-03-01 fang_xj666: thank you very much

💬 2019-07-29 zhh: up

💬 2019-06-06 mr: very good

💬 2018-12-08 Herong: huchen, Visual C# is not too bad. I need to update this with Visual Studio Express 2017, when I get a chance.

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Introduction of DSA (Digital Signature Algorithm)
This chapter provides tutorial notes and example codes on DSA (Digital Signature Algorithm). Topics include introduction of DSA; illustration of DSA key generation, message signing and signature verification; proof of Digital Signature Algorithm. 2020-06-04, 3873👍, 12💬

💬 2020-06-04 ben: How are you?

💬 2018-04-07 Digital Signature Algorithm: Conclusions: DSA (Digital Signature Algorithm) uses public key and private key to generate and verify digital signatures. DSA pu...

💬 2018-04-07 Submit Your Comment: Please write meaningful comments. Thanks! ☺

💬 2018-04-07 world: hello

💬 2018-02-20 amit: hello

(More comments ...)

printenv.pl - Testing Perl CGI Environment
This section provides a tutorial on how to modify the Perl CGI test script, printenv.pl, and run it to verify Apache 2 Perl CGI configuration. 2020-06-04, 152👍, 4💬

Create Tables with CLOB Columns
This section describes how to create tables with CLOB columns in Oracle server. 2020-06-04, 16928👍, 4💬

💬 2016-12-14 morgane: dhzeujf zihf zeiuhfzehf ezhf zoiehfqiejfcksbfhjre fnr jcrh vrf

Android Command Line Shell
This section provides a list of commonly used Android command line tools that can be executed on the Bourne shell. 2020-06-03, 196👍, 2💬

💬 2020-06-03 Herong: Amit, looks like only 3 out of 500 events failed. It could be a result of events being injected randomly and jamming the input p...

💬 2020-05-30 Amit: Can you please shed some light on the // Injection Failed errors you are seeing while running monkey test. Are those normal?

U0300: Combining Diacritical Marks
This section provides a quick summary of the Unicode code point block: 'Combining Diacritical Marks', which contains 112 code points to represent diacritical marks used in conjunction with preceding letters. 2020-06-03, 147👍, 2💬

💬 2020-06-03 Herong: Indeed, very funny way to use combing marks!

💬 2020-05-22 ä̈̈̈̈̈̈: Ver̃ŷ f̈unny.

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