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Using "adb logcat" Command for Debugging
This chapter provides tutorial notes on the 'adb logcat' command. Topics include using 'adb logcat' command options and arguments; viewing log buffers: main, events, and radio; creating rotated log files; control log format as 'brief' or 'long'; filtering out log entries by priority and process tag;...
2020-12-14, 5811👍, 3💬

💬 2018-10-11 Jose: Tanks

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.
2020-12-14, 472👍, 2💬

💬 2020-12-13 Herong: Alan, yes. You can run a similar Perl CGI script on a Linux server and you will get a different set of environment variables.

💬 2020-12-12 Alan: Under Linux/unix at least you can also do a chmod +x on the program and run it from a command line to test. The CGI environment ...

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, ...
2020-12-11, 7689👍, 10💬

💬 2017-06-26 NIRMAL PUDASAINI: how cani get it?

💬 2015-12-15 hassan: nice, can i get it please?

💬 2015-09-20 Alan: Nice

💬 2011-01-21 Herong: Agree. The driver class must be loaded as shown in this tutorial: Loading Driver Class with Class.forName().

💬 2011-01-18 John: For the JDBC tutorials, you must add: Class.forName with newInstance before making connection.

(More comments ...)

3200: Enclosed CJK Letters and Months
This section provides a quick summary of the Unicode code point block: 'Enclosed CJK Letters and Months', which contains 256 code points to represent characters enclosed in circles used in CJK (Chinese, Japanese, and Korean) languages.
2020-12-07, 151👍, 1💬

💬 2020-12-07 Eddie: I like this

XML Files with Embedded DTD Statements
This section provides a tutorial example on how to include DTD statements inside XML files. Embedded DTD statements should appear after the 'xml' process instruction and before the root element.
2020-12-05, 187👍, 2💬

About This Book: Chinese Calendar
This section provides some detailed information about this book - Chinese Calendar and Algorithm - Year 1901 to 2100.
2020-12-02, 164👍, 1💬

💬 2020-12-02 Kevin Elvin: Entering dates in my calendar CCPlus

Year 1903 Chinese Calendar - Year of the Rabbit
2020-12-02, 134👍, 1💬

💬 2020-12-02 Kevin Elvin: Entering the dates in my calendar CCPlus

Downloading and Running Flash Player Projector
This section describes a tutorial example on how to download and run Adobe Flash Player Projector to play Flash applications stored in SWF files without using Web browsers.
2020-12-02, 1577👍, 2💬

💬 2020-12-02 acef: merci infiniment

1964 - Ma Ling Er Xiang Lai ... (马铃儿响来玉鸟儿唱) - Bird Singing Along With Horse Bell Ringing
Ma Ling Er Xiang Lai Yu Niao Er Chang (马铃儿响来玉鸟儿唱) - Bird Singing Along With Horse Bell Ringing, lyrics by Ge Yan (葛炎), Liu Qiong (刘琼), music by Luo zongxian (罗宗贤), Ge Yan (葛炎), produced in 1964.
2020-12-01, 171👍, 4💬

💬 2020-12-01 Herong: raoyc, thanks for the link. But Lucas is looking an English version...

💬 2020-11-29 raoyc: @Lucas visit https://haokan.baidu.com/v?vid=17203 633039526567141&pd=bjh&fr=bj hauthor&type=video

💬 2020-11-22 Herong: Lucas, that's a huge challenge for me. Hope someone else reading this comment can help you out.

💬 2020-11-12 Lucas Tazikly: Hi, herong! I'm trying to learning to play this song on the piano and sing it in English, so can you please translate Ma LIng Er...

Inserting CLOB Values with SQL INSERT Statements
This section describes how to insert CLOB values as string literals using SQL INSERT statements.
2020-11-30, 114👍, 1💬

Web Server Log File Samples - IIS and Apache
This section provides a quick introduction of Web server log files with examples of IIS and Apache servers.
2020-11-25, 24237👍, 29💬

💬 2020-11-25 naga pavan: Nice

💬 2020-07-21 yadana: thanks

💬 2020-06-20 Herong: Tom and others, I will try to offer a small sample log file for download.

💬 2020-06-14 tom: 我想获得日志文件

💬 2020-06-01 NOUREDDINE: I WOULD LIKE TO GET THE LOG FILE

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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.
2020-11-23, 12047👍, 5💬

💬 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

ChangeLengthUnit - Usage Description
This section describes the free Web service ChangeLengthUnit provided by WebserviceX.NET. ChangeLengthUnit allows you to convert length values in Millimeters, Centimeters, Inches, Feet, Yards, Meters, Kilometers, Miles and more.
2020-11-23, 347👍, 3💬

💬 2020-11-23 mmm: hello world

💬 2020-08-20 Herong: Mike, I don't have the source code. Hope someone can develop one. It shouldn't that hard.

💬 2020-08-18 Mike: The service is no longer available at that URL. Any chance you can release the source code so someone can re-host it?

Illustration of RSA Algorithm: p,q=5,7
This section provides a tutorial example to illustrate how RSA public key encryption algorithm works with 2 small prime numbers 5 and 7.
2020-11-22, 3343👍, 4💬

💬 2020-11-22 Herong: fab, as shown in the tutorial, the modulus is 35. The encryption key (public key) is 5, and the decryption key (private key) is ...

💬 2020-11-15 fab: Construct an example of the RSA scheme as follows. The two primes to be used for the modulus N are 5 and 7. What is (N)? Confir...

💬 2019-01-21 Herong: someone, why 35 and 5 must be coprime numbers?

💬 2019-01-16 someone: >Compute n = p*q: n = 5*7 = 35 >Compute m = (p-1)*(q-1): m = 4*6 = 24 >Select e, such that e and m are coprime numbers: e = 5 35...

Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account.
2020-11-19, 138👍, 1💬

SSL Socket Communication Test
This section describes how to perform a SSL socket communication test with a SSL server socket test program, a SSL client socket test program, a pair of private key and public key, and a self-sign certificate of the public key.
2020-11-14, 106👍, 1💬

Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S...
2020-11-12, 6218👍, 6💬

💬 2020-11-12 Rajat: Hi Herong sir, I am getting error while doing $mech->post for a request every time.Error looks like this `read timeout at /usr/s...

💬 2017-10-23 guru: That's an issue with the Perl script, not with running the script itself, and it deserves another question (not here, on Stack O...

💬 2017-10-06 drhvr: mysql I added root as user and password.in singlequotes. It works great

💬 2014-03-17 Steven Klotz: Hi Herong, I found this web site while looking for PERL examples. Your knowledge and the amount of work you done (docu, tutorial...

💬 2010-11-22 Herong: Kim, Yes, you can prompt the user for a path name, open directory with opendir(), loop through each files, use the -s operator t...

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1993 - Tao Sheng Yi Jiu (涛声依旧) - Wave Still
Tao Sheng Yi Jiu (涛声依旧) - Wave Still, Lyrics by Chen Xiaoqi (陈小奇), Music by Chen Xiaoqi (陈小奇), Performed by Mao Ning (毛宁) at The CCTV New Year's Gala in 1993.
2020-11-11, 164👍, 4💬

💬 2020-11-11 Herong: Zander, Try to create a Word document with the PowerPoint link first. Then convert the Word document to PDF form.

💬 2020-11-11 Herong: Harry, All songs listed here are publicly available. You can just follow links to listen to them.

💬 2020-11-09 Zander: Good day! Can I ask how do you put a PowerPoint link in a pdf form

💬 2020-11-09 Harry S: Can I ask if i can download 33 songs in this website

1964 - Wo Wei Zu Guo Xian Shi You (我为祖国献石油) - Dedicate The Oil To My Motherland
Wo Wei Zu Guo Xian Shi You (我为祖国献石油) - Dedicate The Oil To My Motherland, lyrics by Xie Zhuguo (薛柱国), music by Qin Yongcheng (秦咏诚), produced in 1964.
2020-11-11, 191👍, 5💬

💬 2020-11-11 Herong: 可以试试这个方法:百度视频如何下载

💬 2020-11-08 杨万强: 你好,我想问怎么样下载百度视频,因为是我朋友的生日。我想下载周华健的朋友 .我在哪里可以找到?

💬 2020-11-08 杨万强: 你好 Herong, 我想问你们怎么样下载百度的视频在我的会声会影相册,因为是我战友的生日。

💬 2020-10-14 Herong: 可以,没问题。

💬 2020-10-12 王林各: 我为祖国献石油可以放在战友相册吗?

PDF Printing Version: JDBC Tutorials
Information on how to obtain the PDF version of this book for printing.
2020-11-11, 2796👍, 16💬

💬 2020-11-11 Herong: Erik, Links are fixed now. Thanks.

💬 2020-10-29 Erik: Your Amazon link is wrong...

💬 2019-05-10 Raed: nice to gut Ducument about JDBC thanks alot.

💬 2018-04-21 Herong: Tony, you are welcome!

💬 2018-04-20 Tony Ekpo: I appreciate your work because it has help me so much connecting to the database, more grace n ur work.

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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, 7190👍, 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

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EC Private and Public Key Pair
This section introduces what is EC (Elliptic Curve) key pair - a pair of private key and public key constructed from a given subgroup generator in a given elliptic curve group.
2020-11-07, 176👍, 1💬

💬 2020-11-07 abc: Ravana

About HerongYang.com
This web site provides a collection of about 40 free tutorial books on programming languages, Web applications, database, Chinese language and other topics. See the site map for a complete list of all tutorial books. Contact Information Name: Herong Yang Email: herong_yang...at...yahoo Web: http://w...
2020-11-06, 51828👍, 23💬

💬 2020-11-06 schradermichael950@gmail.com: Good day!  I happened to find your website very usable and interesting. And I would like to ask you whether you accept links for...

💬 2020-06-20 Herong: William and others, I am not interested in placing other ads on this site at this moment. Thanks.

💬 2020-06-16 William James: Hi, My name is William from Infolinks. I want to purchase a guaranteed advertising placement on your advertising inventory. Unde...

💬 2020-06-03 Herong: Den, calm down! Somehow you did figure out the stupid math to enter your comment. It’s not that difficult...

💬 2020-06-02 den: Holly f••k.. this captcha is a shity thing... how people should know the stupid math (a,b)=(1,3)?

(More comments ...)

U1D100: Musical Symbols
This section provides a quick summary of the Unicode code point block: 'Musical Symbols', which contains 256 code points to represent Musical Symbols alphabets used in the Musical Symbols language.
2020-11-06, 158👍, 1💬

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