Herong's Tutorial Examples

Free Chinese Calendar 2026 - Year of the Horse
Want to know when is the 2026 Chinese New Year day? Look for free Chinese calendars for 2026? Chinese New Year Date for Year 2026 ⇒ Free Chinese Calendar 2027 - Year of the Goat ⇐ Free Chinese Calendar 2025 - Year of the Snake ⇑ Chinese New Year Dates in 2021 to 2030 ⇑⇑ Free Chinese Calendars 2025-12-23, ≈145🔥, 0💬

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Lucky Wedding Dates: 2021 - 2030
Where to find lucky wedding dates for year 2021 to 2030? Lucky wedding dates for year 2021 to 2030: Lucky Wedding Dates: 2021 - Year of the Ox Lucky Wedding Dates: 2022 - Year of the Tiger Lucky Wedding Dates: 2023 - Year of the Rabbit Lucky Wedding Dates: 2024 - Year of the Dragon Lucky Wedding Dat... 2021-05-26, ∼6284🔥, 0💬

Using Visual Basic with Microsoft Access
This section provides tutorial example on how to add a Visual Basic code in Microsoft Access database to be executed as a macro on database tables. 2023-12-16, ∼6261🔥, 11💬

💬 2023-12-16 v: Thank you!

💬 2022-02-27 bob: this didnt help

💬 2021-10-27 fahis: lets go

💬 2018-08-11 Herong: trina, I will make corrections. Thanks for the comment.

💬 2018-08-11 trina: Why spreading misinformation? Pages like this are confusing for new users, with half-facts and limited instruction. First: Acces...

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Printing Histogram of Java Object Heap
This section provides a tutorial example on how to print the histogram of Java object heap, a list of different types of objects and their counts and total sizes. 2016-12-14, ∼6253🔥, 2💬

💬 2016-12-14 Herong: Erik, you can look at the Java Management Extensions (JMX) API.

💬 2016-12-11 Erik Ostermueller: is there a java api to access this histogram? Thanks, --Erik

Using Certificates in Firefox
This chapter provides tutorial notes and example codes on using certificates in Firefox. Topics include why Web browsers need certificates; viewing the certificate from an https Web server; exporting a certificate from Firefox to a certificate file; importing a CA certificate into Firefox. 2017-08-31, ∼6218🔥, 1💬

💬 2017-08-31 bobby: ok will do

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, ∼6217🔥, 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 ...

Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener... 2019-01-01, ∼6216🔥, 1💬

💬 2018-06-17 Jack: It's helpful!

"soap:body" - Binding for SOAP Body
This section describes 'soap:body', a SOAP extension element that specifies how the SOAP Body should be constructed in the SOAP message for an operation input and output. 'literal' means no encoding. 2019-12-23, ∼6201🔥, 2💬

💬 2017-08-16 willy poki: hola

Derby (Java DB) - Inserting Data Rows to Existing Tables
This section describes how to insert new data rows into Derby (Java DB) database tables through the JDBC driver. 2017-08-05, ∼6168🔥, 2💬

💬 2017-08-05 Herong: Stevoski, can you dump the Exception in the message dialog? It will give some clue on what happened to the execution.

💬 2017-08-03 Stevoski: is there any problem with these lines of code? all i get is invalid entry try{ String mk =jTextField1.getText(); String mn = jTe...

Chinese Horoscopes - The Rat
The Rat Being born a Rat is nothing to be ashamed of. In China, the Rat is respected and considered a courageous, enterprising person. It is deemed an honor to be born in the Year of the Rat and it is considered a privilege to be associated with a Rat. Rats know exactly where to find solutions and c... 2021-09-30, ∼6147🔥, 0💬

Free Chinese Calendars: 2001 - 2010
Where to find Chinese New Year dates for year 2001 to 2010? Where to get free Chinese calendars? Here are the Chinese New Year dates for year 2001 to 2010: Free Chinese Calendars for year 2001 to 2010: Free Chinese Calendar 2001 - Year of the Snake Free Chinese Calendar 2002 - Year of the Horse Free... 2025-07-28, ∼6145🔥, 0💬

Downloading and Installing SoapUI
This section provides a tutorial example on downloading and installing SoapUI on Windows system. 2017-02-23, ∼6123🔥, 3💬

💬 2016-12-26 Tony: Greate JOB!

💬 2015-07-31 BVIJAYREDDY: GOOD

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, ∼6064🔥, 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: -- &...

bitcoin-cli Wallet Commands
This section describes wallet related 'bitcoin-cli' commands. 2022-08-16, ∼6059🔥, 2💬

💬 2021-08-13 Nicolas Darnis: Hi, I'm a BTC newbie, and sure it's not the right place to ask, but, I'm so deseperate... Sainx in advance if you could help. Qu...

Lucky Wedding Dates: 2035 - Year of the Rabbit
Where to find lucky wedding dates for year 2035? Lucky Wedding Dates: 2035 - Year of the Rabbit ⇒ Lucky Wedding Dates: 2036 - Year of the Dragon ⇐ Lucky Wedding Dates: 2034 - Year of the Tiger ⇑ Lucky Wedding Dates: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-03-14, ∼6010🔥, 0💬

Example Java Class Converted from a JSP Page
This section provides a tutorial example Java class converted by Tomcat from the JSP page, Hello_Scripting.jsp. Scripting elements included in the JSP page are converted correctly. 2020-09-27, ∼5980🔥, 3💬

💬 2020-09-27 Guru: Nice

💬 2019-02-07 Balaji: Good

💬 2016-01-14 abc: hello

Chinese Horoscopes - The Rabbit
The Rabbit Rabbits are private individuals, a bit introverted and withdrawn. People e born into this sign would rather work behind-the-scenes instead of being the center of attention in any situation. Do not misunderstand the Rabbit is not a recluse. In fact, he is a reasonably friendly individual w... 2021-10-19, ∼5934🔥, 0💬

The Chinese System of Heaven Stems and Earth Branches
What Heaven Stems & Earth Branches Are Chinese have traditionally made use of a specialized number system that counts from 1 to 60. The numbers in this system consist of a first digit from a series of ten "Heaven Stems" (tiāngān 天干 ) and the second from a series of twelve "Earth Branches" (... 2021-12-08, ∼5915🔥, 0💬

Chinese Horoscopes - The Dragon
The Dragon The Dragon personality The Dragon is a creature of myth and legend. A symbol of good fortune and sign of intense power, the Oriental Dragon is regarded as a divine beast - the reverse of the malicious monster that Westerners felt necessary to find and slay. In Eastern philosophy, the Drag... 2021-10-19, ∼5911🔥, 0💬

What is ECB (Electronic CodeBook) Operation Mode?
This section describes what is ECB (Electronic CodeBook) Operation Mode - each plaintext block is encrypted independently without any input from other blocks. 2024-01-29, ∼5883🔥, 5💬

💬 2020-10-18 Herong: donjo, there is no real applications that use the ECB mode.

💬 2020-10-16 donjo dumdum: What is application of ECB mode operation

💬 2016-01-10 Todd: Thanks!

DES (Data Encryption Standard) Cipher Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits. 2015-11-05, ∼5860🔥, 8💬

💬 2015-11-05 Herong: The Anh, good question. If your key is less than 64 bits, you can pad it with 0 or 1. Or use a hash algorithm to produce 64 bits...

💬 2015-11-04 The Anh: what if my key don't have enough bit?

💬 2015-11-04 Herong: Zaeem, take a look at the source code at Simple Cryptographer - Simple DES/AES Implementation in C#

💬 2015-11-03 zaeem: how to implement on windows form in c#

💬 2015-10-03 Herong: Mihir, what type of algorithm are you looking for?

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"Registration" Web Service - WSDL 1.1 and SOAP 1.2
"Registration" is an XML document based Web service for testing purpose only. High level information about this "Registration" Web service: WSDL Document: Registration_WSDL_11_SOAP_12_D ocument.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.2 Transportation: SOAP 1.2 over HTTP Operation Name... 2021-03-07, ∼5847🔥, 0💬

JDBC-ODBC Bridge Driver Features
This section describes Sun's JDBC-ODBC Bridge driver and its features. 2022-10-01, ∼5755🔥, 0💬

Chinese Horoscopes - The Dog Personality
People born in the year of the dog are usually candid, honest, generous, righteous, studious and energetic, which makes it easy for them to attract the favor of the opposite sex. They are kind-hearted, always ready to listen to and share other people's cares and burdens. They know how to get along w... 2021-01-17, ∼5742🔥, 0💬

Lucky Wedding Dates: 2031 - 2040
Where to find lucky wedding dates for year 2031 to 2040? Lucky wedding dates for year 2031 to 2040: Lucky Wedding Dates: 2031 - Year of the Boar Lucky Wedding Dates: 2032 - Year of the Rat Lucky Wedding Dates: 2033 - Year of the Ox Lucky Wedding Dates: 2034 - Year of the Tiger Lucky Wedding Dates: 2... 2021-07-27, ∼5734🔥, 0💬

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