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"bad decrypt:./crypto/evp/evp_enc.c:461" Error
This section provides a tutorial example on why OpenSSL 'pkcs12' failed with 'bad decrypt:./crypto/evp/evp_enc.c :461'error. The root cause is the key password different than file password.
2015-09-10, 8357👍, 1💬

💬 2015-09-10 Action Here: this totally helped me.

Java Swing Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning Java Swing and AWT himself. Topics include Swing and AWT (Abstract Windows Toolkit) class library; graphical components: JButton, JCheckbox, JComboBox, JFrame, JLabel, JMenu, JRadioButton, JTextF...
2020-06-23, 8353👍, 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 ...)

PDF Printing Version: Cryptography Tutorials
Information on how to obtain the PDF version of this book for printing.
2021-07-27, 8041👍, 36💬

💬 2021-07-27 attila: thanks

💬 2019-07-04 aladdin: thanks

💬 2018-10-20 Herong: bachi, thanks for sharing your comment.

💬 2018-10-13 bachi: I like how you composed your content. I like how you explain the DES algorithm

💬 2018-09-12 aaa: thanks

(More comments ...)

Inserting BLOB Values with setBinaryStream() Method
This section describes how to insert BLOB values with the PreparedStatement.setBinaryStr eam()method.
2016-04-08, 8036👍, 2💬

💬 2016-04-08 Herong: Saqib, you are welcome!

💬 2016-04-06 Saqib Ayub: Just want to thank you so much. You made my day.

"OpenSSL" Generating Certificates in DER and PEM
This section provides a tutorial example on how to generate certificates in DER and PEM formats using 'OpenSSL'.
2020-09-09, 7990👍, 2💬

💬 2020-09-09 test: test

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.
2022-02-16, 7938👍, 36💬

💬 2022-02-16 Herong: prabhu, can you follow above steps to download it?

💬 2022-02-15 prabhu: need VS2010

💬 2021-10-08 .....: ok

💬 2021-10-08 some else: we will try in our computer

💬 2021-09-15 R. M. Harshavardan: Ok! Will try?

(More comments ...)

java.util.Locale - Localization and Internationalization
This section provides a tutorial example on how to use java.util.Locale class to verify the default locale and list all supported locales. A locale is an identification of a combination of human language and country.
2018-08-01, 7935👍, 4💬

💬 2016-12-25 Herong: jfseb, thanks for pointing out this difference.

💬 2016-12-19 jfseb: Note that java locales do not correspond in all versions to ISO 639. e.g. hebrew is now he, not iw. https://en.wikipedia.org/wik...

💬 2016-05-06 Scrijna: P.S. It's also useful for Java, iOS and Windows localization, as it supports most popular localization formats.

💬 2016-05-06 Scrijna: For Android app localization, you could try using the localization tool https://poeditor.com It's useful for collaborative trans...

XSL-FO Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning XSL-FO (Extensible Stylesheet Language - Formatting Objects) himself. Topics include: Introduction to XSL, XSL-FO, and Apache FOP; XSL concepts: Area Model, Inline Stacking and Block Stacking; Pa...
2016-06-19, 7884👍, 1💬

💬 2016-06-19 Dell: Great book. Thank you!

2017 年年歷 - 雞年
中國年歷 - 2017 年年歷 - 雞年
2016-03-11, 7844👍, 1💬

💬 2016-03-11 福仔: 大雞大利﹗

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.
2021-10-18, 7816👍, 6💬

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

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

Loading JDBC Driver Class - ojdbc16.jar
This section describes how to load the Oracle JDBC driver class - ojdbc14.jar.
2017-03-07, 7802👍, 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...

Illustration of DSA Algorithm: p,q=7,3
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=7 and prime divisor q=3.
2018-04-24, 7716👍, 5💬

💬 2016-03-22 Herong: Peter, I see the issue now. This example needs to be reviewed and updated. Thanks for the feedback.

💬 2016-03-21 peter winzell: x is not selected according to 0 < x < q

💬 2015-10-19 Herong: Hi Marian, do you have a question about this tutorial?

💬 2015-10-18 Marian: when q=3 x = 5 # selected: 0 < x < q

Java Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning Java himself. Topics covered in the book include: Java language basics; execution environment; generic classes and parameterized type; generic methods and type argument inferences; enum types and...
2016-03-05, 7714👍, 8💬

💬 2016-03-05 SOUMO BISWAS: YES

💬 2016-02-26 Herong: Maurice, Thanks for the positive feedback!

💬 2016-02-25 Maurice: It is a great JVM book

💬 2015-12-05 Herong: Yogesh, we need better examples than what you have suggested...

💬 2015-12-05 yogesh kumar: Visit more java examples [URL removed]

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2020 年年历 - 鼠年
中国年历 - 2020 年年历 - 鼠年
2019-11-08, 7709👍, 2💬

💬 2019-09-09 robby: yooo

Java Tools Tutorials - Herong's Tutorial Examples
This tutorial book based on notes and sample codes collected by the author while he was learning Java tools himself. Topics includes: 'java/javaw' Launcher, 'javac' Compiler, 'javadoc' Document Generator, 'javap' Class File Disassembler, 'jar/jarsigner' Archive Tool, 'jconsole' Console, 'jdb' Debugg...
2021-07-12, 7688👍, 2💬

💬 2021-07-12 Jack Slater: Very useful tutorial

💬 2016-01-12 ASHIS BEHERA: IT IS VERY GOOD

什么是病毒载体疫苗
什么是病毒载体疫苗? 它的工作机制是什么? 病毒载体疫苗又可以细分成两个小类:复制型病毒载体疫苗(Rep licatingViral Vector), 非复制型病毒载体疫苗(Non-Replicating Viral Vector)。 1. 复制型病毒载体疫苗 - 复制型病毒载体疫苗是改造后的有活性的流感病毒,其表面带有新冠 病毒的S蛋白。减毒活疫苗的工作机制如下: 先将...
2021-03-21, 7678👍, 0💬

"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, 7545👍, 3💬

💬 2015-08-10 mike: Cool

Main Features of XML
This section provides a quick description of XML features and advantages. The power of XML comes from its simplicity and extensibility.
2017-11-26, 7526👍, 2💬

💬 2017-11-26 Abhishek: Thanks!

XSD Validation and Error List
This section provides a tutorial example on how to perform XSD validation and view error list using XML Tools Plugin in Notepad++.
2017-05-27, 7502👍, 7💬

💬 2017-05-27 Herong: No problem. Have a good weekend!

💬 2017-05-27 Greg: Me again - false alarm, the error message I saw was caused by xsi:schemaLocation that was specified in the file. Sorry to troubl...

💬 2017-05-26 Greg: Hi, this was working fine, but now when I click Validate Now, I get an error message: Following error occurred during schema ...

💬 2015-12-23 Herong: Mat2001uk, That is better than the version I was testing. Thanks for sharing this information with us.

💬 2015-12-22 Mat2001uk: In v6.8.6 I see only one error:"XML Parsing error at line 16: StartTag: invalid element name" ...just FYI.

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Inserting BLOB Values with SQL INSERT Statements
This section describes how to insert BLOB values as normal strings using INSERT statements.
2019-04-29, 7445👍, 2💬

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.
2018-08-29, 7445👍, 6💬

💬 2018-08-29 google: &lt;a href="http://google.com">Google& lt;/a>

💬 2018-08-29 rock: Great

💬 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?

Object Query Language (OQL)
This section describes what is OQL (Object Query Language). OQL statement syntax and examples are also provided.
2021-07-21, 7426👍, 3💬

💬 2016-09-02 Jach: hello world ,I'm Jack!

"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, 7386👍, 1💬

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

DES Algorithm Java Implementation
This chapter provides tutorial examples and notes about DES algorithm implementation in Java language. Topics include an example Java implementation of DES encryption and decryption algorithm; test cases of single block cleartext and ciphertext.
2020-11-11, 7382👍, 17💬

💬 2018-12-13 syed zia ur rehman: i realy like your link

💬 2017-10-15 Herong: CipherDES.java also works as a decryption program. Try it by running "java DesCipher decrypt keyFile input output".

💬 2017-10-09 aa: thanks, but where i can find DES decryption

💬 2017-10-09 Denys: thx

💬 2017-04-23 aa: thanks

(More comments ...)

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