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Downloading and Installing Tomcat 7
This section provides a tutorial example on how to download and install Apache Tomcat 7 on a Windows 7 local system. Tomcat 7 requires JDK 1.6.0.
2016-07-16, 13091👍, 5💬

💬 2016-07-16 pradeep: thanks

💬 2016-04-27 Herong: Priyanka, can you post your servletrequest source code here? I will look at it.

💬 2016-04-25 priyanka: i had already done simple servlet program to Tomcat 7.0 and also got output.but when i am doing servletrequest interface(taking ...

💬 2016-02-23 siva: i need this

💬 2015-08-19 dell: ok

Installing Microsoft JDBC Driver for SQL Server
This section describes how to download and install Microsoft JDBC Driver 4.2 for SQL Server 2014.
2016-10-15, 13083👍, 4💬

💬 2016-10-13 Herong: Matthew, see the Loading Driver Class Automatically tutorial my response to your other question.

💬 2016-10-12 Matthew: well that was rude.. you could have just said you didnt have the time to help me... what goes around come around

💬 2016-10-04 Eric: very happy

💬 2016-04-23 bhanu: thanks

Android Debug Bridge (adb) Tool
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and from the remote Android emulator or device.
2015-12-17, 12749👍, 2💬

💬 2015-12-17 Herong: RevHectorForbes, yes the "adb push" should go first, followed by push-from location and push-to location. I think my examples ar...

💬 2015-12-16 RevHectorForbes: Hey man, this is some way cool technical s**t, but another site (http://www.androidauthority.com/and roid-customization-transfer-...

Free Chinese Calendar 2016 - Year of the Monkey
Want to know when is the 2016 Chinese New Year day? Looking for Chinese calendars for 2016? Chinese New Year day - February 8, 2016 When is the Chinese New Year's Day in Year 2016? It is on February 8, 2016. Chinese New Year (Chinese: 春節, 春节, Chūnjíe; 農曆新年, 农历新年, Nónglì Xīnnián; or 過年, 过年...
2016-02-24, 12697👍, 2💬

💬 2016-01-07 Herong: Xiaoping, Happy new year to you too! Take a look at the mobile version daily calendar. You may like it too. ☺

💬 2016-01-06 Yi XiaoPing: Hi, Yang HeRong: Happy new year 2016, international people rights road. Thanks for the calendar. yi_xiaoping@yahoo.com

Creating the First JAR File - hello.jar
This section provides a tutorial example on how to create a JAR file with the 'jar' command.
2016-03-02, 12674👍, 1💬

💬 2016-03-02 luis: algun comentario

HelloServer.php - First SOAP Server Application
This section describes a tutorial example of a complete SOAP application with both server and client programs.
2019-06-03, 12539👍, 4💬

💬 2016-02-15 Sanan: Great !

💬 2016-02-03 ciao: yt

SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks.
2018-12-28, 12353👍, 7💬

💬 2018-12-28 '">alert(2): '">&lt;script>alert(1)&lt;/s cript>

💬 2017-10-26 Herong: Jamal, w(0), ..., w(15) are initial values. w(16), ..., w(79) are used on the left side of the assignment operator to store stor...

💬 2017-10-25 Y. Jamal: Hi, we have w(0), w(1),....w(15) how come in the For loop we have W(t) and t goes from 16 to 79. something is not right.

💬 2017-09-29 Herong: I don't think it takes the length of bits. But I will double check it.

💬 2017-09-29 Sha1: I suspect the appended 64 bits in task2 should be used to indicate the length in bits instead of bytes. Reference: https://csrc....

(More comments ...)

Validating wsse:Password Digest String
This section provides a tutorial example on how the SOAP message receiver should validate the password digest string in the wsse:Password element using the 'Password_Digest = Base64 ( SHA-1 ( nonce + created + password ) )' definition.
2019-12-08, 12222👍, 10💬

💬 2019-12-08 Herong: If you are getting "SjUQn7b8qSr5x4WOg9YLieSe2to=" as the password digest value, please see Kumar's comment below.

💬 2019-12-03 did: Hi! I tested manually the algorithm using cryptii.com, and I get the value "SjUQn7b8qSr5x4WOg9YLieSe2to=", not the value "PfZyE8...

💬 2019-06-16 Herong: JOlivas, Thanks for sharing your PHP code examples!

💬 2019-06-16 JOlivas: Example to validate password digest using PHP, assuming that nonce is encoded in base64 we have to decode before to use it. priv...

💬 2016-12-17 Herong: Arun, the nonce value is in the &lt;wsse:Nonce&gt; element. It is usually generated by the client program with random al...

(More comments ...)

What Is DER (Distinguished Encoding Rules) Encoding?
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data value of any data types including nested data structures.
2020-06-01, 12041👍, 5💬

💬 2020-06-01 fk: Merhabalar

💬 2018-10-29 Thanks!: meaningful comments.

💬 2017-03-15 noname: thanks

💬 2016-01-25 Dev: hello

"Err.Raise()" - Raising Your Own Errors
This chapter provides tutorial examples and notes on runtime error handling. Topics include the default error handling behavior; 'On Error Resume Next' and 'On Error GoTo 0' statements; catching errors with (Err.Number > 0); clear Err object with Err.Clear(); raise your own errors with Err.Raise(......
2016-05-07, 11980👍, 3💬

💬 2016-05-07 Herong: Donald, I don't understand your question. More details please.

💬 2016-05-06 Google Chrome 50.0.2661.94 m: Google Chrome Un navigateur Web conçu pour offrir rapidité, simplicité et sécurité Obtenir de l'aide sur l'utilisation de Goog...

💬 2016-05-06 Donald Duck: Please include a list of the different possible values for number. Thanks☺

CipherDES.java - A Java Implementation of DES
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encryption and decryption algorithm.
2017-02-16, 11794👍, 9💬

💬 2017-02-16 Herong: Andro, I think implementation of DES using String methods will be slower than using byte and int operations.

💬 2017-02-12 Andro: Good done. I have created my own DES with benefits of string methods in Java. My DES receives binary string and key, then cipher...

💬 2016-03-03 Dede: Helps a lot, currently developping a mobile application that has to do with encryption. Thanks

💬 2015-10-16 Herong: Skip, Good luck on your study!

💬 2015-10-15 Skip: I'm taking a graduate course in cryptography and this was extremely helpful for going from DES visual to DES in java. I really a...

(More comments ...)

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, 11674👍, 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 ...)

getSelection() - Getting Selected Button
This section provides a tutorial example on how to use the getSelection() method to know which button is selected in a button group.
2016-06-02, 11321👍, 3💬

💬 2016-02-22 aaa: God is the greatest

💬 2016-02-22 aaa: we are here to learn

JDBC-ODBC - Inserting Data Rows to MS Access Database
This section describes how to insert new data rows into MS Access database through the JDBC-ODBC driver.
2017-03-17, 11320👍, 5💬

💬 2016-03-06 Morn: My Testing

💬 2015-08-10 ramya: this website is very useful

JDBC-ODBC Bridge Driver - MS Access
This chapter provides tutorial notes on using the JDBC-ODBC Bridge driver with MS Access database. Topics include creating MS Access database file; creating DSN for MS Access database files; inserting rows to and retrieving rows from Access database.
2016-12-22, 10937👍, 11💬

💬 2016-12-22 nhat: need jdbc

💬 2016-12-04 Herong: Sumon, Stay with JDK 7. It has a built-in JDBC=ODBC bridge driver to connect to Access database.

💬 2016-12-03 sumon: To run my access database

💬 2016-05-20 djamo: thenk you

💬 2016-01-11 Mars Chen: thanks for your providing this jar lib

(More comments ...)

Downloading and Installing JDK 1.8
This section describes how to download and install Java SE Development Kit (JDK) 8u45 on a Windows system.
2020-04-27, 10771👍, 9💬

💬 2020-04-27 ema: thanks

💬 2020-04-27 ema: thanks

💬 2020-04-27 ema: thanks

💬 2019-04-16 yacine: thanks

💬 2017-10-09 Ivan: Thanks!

(More comments ...)

DES Key Schedule (Round Keys Generation) Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits.
2018-02-24, 10458👍, 13💬

💬 2018-02-24 Herong: hema, values in the pc-2 table are pre-defined by the algorithm. They are not calculated.

💬 2018-02-23 hema: i understood pc-1 table can you pls guide to calculate manually pc-2 table in des algorithm.

💬 2017-10-24 Herong: QuAI, you are right those bits are not used in the Permuted Choice 1 (PC1) table.

💬 2017-10-19 QuAl: And forget about bits 8, 16, ..., 64 of initial кey K! Those bits for parity check only (see FIPS 46-3)

💬 2017-06-15 Azaz: Not that much useful

(More comments ...)

UTF-16LE Encoding
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16.
2019-08-16, 10137👍, 7💬

💬 2019-07-23 ching: chong

💬 2019-04-28 Herong: The last part is needed. Thanks.

💬 2019-04-21 小胖: 最后一段中的"the ZERO WIDTH NO-BREAK SPACE, U+FEFF, character",是不是不用写呢?

💬 2018-12-29 test: thank

💬 2016-12-21 task go: thank you

JDBC-ODBC - Connecting to a DSN
This section describes how to connect to a DSN (Data Source Name) with JDBC-ODBC Bridge.
2017-02-28, 9924👍, 3💬

💬 2017-02-28 Munna Shaw: My name is Munna Shaw

💬 2016-04-27 Anish Goel: Thanks a lot!

💬 2015-10-08 manoj soni: satisfied

Windows 8: Turning on Windows Defender
This section provides a tutorial example on how to turn on Windows Defender for real-time protection on Windows 8 systems.
2016-06-08, 9877👍, 5💬

💬 2016-06-08 Herong: Steve, which part was not working?

💬 2016-06-01 Steve: Didn't work

💬 2016-01-27 Er.Jasim Anamangadan: Thanking you Helped me out Thanks Er.Jasim Anamangadan

💬 2015-08-26 Ivan: Quite easy to follow!

💬 2015-08-07 anonymous: this really helped me !! i googled some of the solutions but it make me go to command prompt.. but this one is very easy and sim...

Converting Secret Keys to and from Byte Arrays
This section provides a quick introduction of the SecretKeySpec class and the KeySpec interface. They can be used to convert secret keys into byte arrays to store them in external files.
2019-04-22, 9695👍, 4💬

💬 2019-04-22 xyz: $9$RTHhSlWL7VsguO7dbw4oiHqf6CuOIRhyl K4JGDq.TQF/OIcyeLXNbsPTz3CAW8X

💬 2018-10-20 Herong: Marco, I just did a Google translation on your comment: "I wonder what all this could be". Are you trying to ask a question?

💬 2018-10-16 Marco: mi chiedo che cosa potrebbe essere tutto questo

💬 2015-11-03 cpp: hello

Downloading and Installing Java DB (Derby)
This section describes how to download and install Java DB (Derby database server) 10.11 - free for evaluation.
2019-10-22, 9614👍, 12💬

💬 2019-10-22 mahdi: very good

💬 2019-06-17 Thet: Thanks

💬 2019-01-25 denzel mana-ay: putangina mo wala akong makita

💬 2018-05-10 Anonomyus: tanks

💬 2016-02-19 Ali: Good App

(More comments ...)

MD5 Message Digest Algorithm Overview
This section describes the MD5 algorithm - a 5-step process of padding of '1000...', appending message length, dividing as 512-bit blocks, initializing 4 buffers, and 4-round of hashing each block.
2016-11-21, 9542👍, 6💬

💬 2016-11-21 this is a burner: concise and accurate, thanks

💬 2016-09-26 brijesh gupta: its helpful

💬 2016-06-17 Ampera: Makasih

Converting XML in Pretty Print Format
This section provides a tutorial example on how to convert XML documents into pretty print format using XML Tools Plugin in Notepad++.
2018-02-25, 9379👍, 5💬

💬 2017-05-23 sdsa: soap:ClientUnmarshalling error: cvc-complex-type.2.4.a: Invalid content was found starting with element 'v11:CopyFaresFromFarCl....

💬 2016-08-17 z: Subject_Order 1608_ AFTER [NextExecutionDatetimeCO][ListVMsINe xtExecutionCO]

💬 2016-05-03 dfg: &lt;div class="productdetailpopover adminpopover"> &lt;div class="productimage displayinlineblock"> &lt;div class="m...

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