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cgi-lib.pl - The Standard Library for CGI Scripts
This section describes the de facto standard library, cgi-bin.pl, for Perl CGI scripts. It also provides a tutorial on how to download and install cgi-bin.pl 2.18 to the Apache server on a Windows system.
2018-01-20, 375👍, 2💬

💬 2018-01-20 Herong: Nils, Thanks for your comments. I will include them in the next update.

💬 2018-01-09 Nils Kammenhuber: DON'T use cgi-lib.pl! It is horribly outdated, the last version is from 1999, and it is said to have security issues. Instead, u...

Global and Local Variables - Scope Rules
This section provides a quick description of global variables and local variables. Basic rules about variable scopes are provided.
2016-08-30, 375👍, 2💬

💬 2016-08-30 Herong: Jammy, There is a typo in the consequence. It should read as "Rule #4 helps us to avoid the bad impact of rule #3, if you declar...

💬 2016-08-29 jammy: third consequence is not clear to me.

Input Chinese Text Data to MySQL Database
This chapter provides tutorial notes on saving Chinese text into MySQL database through Web forms and retrieved it back to Web pages. Topics include reviewing the communication process; testing with UTF-8, GBK and Big5 encodings.
2017-05-03, 373👍, 2💬

💬 2017-05-03 : 你好吗

Horoscope Moon and Other Planet Signs
This section provides introduction of planet zodiac signs: the Moon sign, the Mercury sign, the Venue sign, the Mars sign, and more.
2016-01-23, 372👍, 1💬

💬 2016-01-23 Troy: Hi

Including VBScript Codes with HTML "script" Tags
This section provides a quick description of how to include VBScript codes into HTML documents with 'script' tags. A tutorial example is provided on calling a function defined in the 'head' tag.
2018-10-11, 371👍, 3💬

PDF Printing Version: ASP tutorials
Information on how to obtain the PDF version of this book for printing.
2016-05-09, 369👍, 1💬

💬 2016-05-09 R: Good

The Hunter - Orion - Constellation
This section describes the Orion constellation also called The Hunter.
2017-06-12, 368👍, 1💬

💬 2017-06-12 altayeb alradi الطيب الر: it is the easiest constelatiion that can be seen at evening in sudan from jan to april i think there is a great secrets beyond o...

View Objects and Layout Resource Files
This section describes the android.view.View class which is the basic building block for all user interface components. Android SDK provides over 50 different specific views based on the android.view.View class to help you develop GUI (Graphical User Interface) applications.
2016-05-26, 368👍, 1💬

💬 2016-05-26 Buckstabue: Thank you so much! I have not known most of listed classes although I'm not a novice in android developing

U0180: Latin Extended-B
This section provides a quick summary of the Unicode code point block: 'Latin Extended-B', which contains 208 code points to represent historical Latin language characters.
2017-08-29, 367👍, 1💬

💬 2017-08-29 Bravo: haha

opendir.pl - Sample Program to Read Directories
This section provides a tutorial example on how to open the current directory using opendir() function and read its file names using readdir() function.
2015-10-10, 367👍, 2💬

💬 2010-11-19 Herong: Kim, I am not sure if you were talking about the opendir.pl script. If yes, reading the root directory can be done by: opendir(D...

💬 2010-11-18 Kim: I learned alot from your directory tutorials- how can I change this to read the root directory opposed to the default perl one?

Installing Apache 2.2.4 on Windows Systems
This section describes how to install Apache 2.2.4 binary distribution on Windows systems.
2016-05-15, 361👍, 1💬

💬 2016-05-15 : 不知道

Free Web Services - Herong's Tutorial Examples
This free Web service tutorial book is a collection of notes and sample codes written by the author while he was testing free Web services available on the Internet. Topics include Web service, SOAP, REST, WSDL, WADL, SoapUI, Country codes, currencies, airports, weather, bar codes, mortgage, stock q...
2016-03-14, 361👍, 0💬

UAAE0: Meetei Mayek Extensions
This section provides a quick summary of the Unicode code point block: 'Meetei Mayek Extensions', which contains 32 code points to represent additional Meetei Mayek alphabets used in the Meitei language.
2016-07-19, 358👍, 2💬

💬 2016-07-19 Herong: Hi Karen, Meeteri Mayak is a set of Unicode code points, not a font. But we do need a font that supports Meeteri Mayak code poin...

💬 2016-07-15 Karen: Is the Meeteri Mayak script a UTF8 font? If so, where can I download it? Thank you.

"Head State Missing" Error on Restarting "geth"
This section describes the issue with 'Head State Missing' error on restarting 'geth' on a private network.
2019-03-23, 357👍, 2💬

💬 2019-03-23 Herong: Zach, Thanks for your explanation. I will setup a two-peer network to try it later.

💬 2019-03-14 Zach S: From my project understanding: From interrupted exit. The node can't sync and must restart a full boot up from block 1. If you c...

What Is HTTPS (Hypertext Transfer Protocol Secure)?
This section describes what is HTTPS (Hypertext Transfer Protocol Secure) - A communication protocol that uses the HTTP and the SSL/TLS protocols to provide encrypted communication and secure identification of a Web server.
2019-04-13, 356👍, 2💬

💬 2019-04-13 Herong: Maybe some other website did it, not my site. ☺

💬 2019-04-10 arlyneysiak@gmail.com: Your site erased my entire history. I'd like to get my history information back. Can you tell me how to do this. I would greatly...

JDBC-ODBC - Configuring SQL Server for TCP/IP Connection
This section describes how to configure SQL Server for TCP/IP connections.
2018-03-07, 354👍, 3💬

💬 2018-03-07 mohamed: Thanks

Using JAR Files in Java Class Paths
This section provides a tutorial example on how to use JAR files in class paths during Java compilation and execution time.
2017-02-04, 354👍, 3💬

💬 2017-02-04 Herong: Chris, Thanks for sharing the information.

💬 2017-02-03 Chris: For unix, on the last command, ".;" changes to ".:".

"-XX:+PrintGCDetails" - Garbage Collection Logging
This section describes HotSpot JVM options to generate garbage collection logging messages. It also describes log message format to help us understand what the JVM is telling us.
2018-04-23, 348👍, 1💬

Windows 8: Verify Factory Reset
This section provides a tutorial example on how to verify the factory reset partition on the hard disk on Windows 8 system.
2016-03-11, 347👍, 1💬

SslContextTest.java - javax.net.ssl.SSLContext Class Test
This section provides a tutorial example on how to write a simple program to test the java.net.ssl.SSLContext class.
2015-10-28, 345👍, 1💬

Installing Apache HTTP Server 2.4.12 on Windows
This section describes how to install Apache 2.4.12 binary distribution on Windows systems.
2016-05-28, 344👍, 2💬

💬 2016-05-28 Herong: Сергей, you are welcome!

💬 2016-05-23 Сергей: Спасибо!

GetMortgagePayment - Usage Description
This section describes the free Web service GetMortgagePayment provided by WebserviceX.NET. GetMortgagePayment allows you to calculate mortgage payments.
2017-02-11, 342👍, 2💬

💬 2017-02-11 Herong: Sam, the GetMortgagePayment service is working. Can you show us the error you are getting?

💬 2017-02-04 sam: hello admin getMortgage payment service is not working. it is displaying xml tag exception while importing into soap UI can you ...

Calculation Speed and Response Time
This chapter provides tutorial notes and example codes on ASP script page performance. Topics include measuring execution speed of ASP script calculating prime numbers; measuring response time of a simple 'Hello' ASP script page.
2016-12-21, 341👍, 1💬

💬 2016-12-21 saddam: yes

What Is Block Cipher?
This section describes what is block cipher - An encryption scheme in which 'the clear text is broken up into blocks of fixed length, and encrypted one block at a time'.
2016-09-26, 341👍, 1💬

💬 2016-09-26 eva: soooooooo Amazing thank so much this site helping to learn about blowfish algorthm more

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