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Outdated: IE 8 Displaying Certificate Error Page
This section provides a tutorial example showing that IE 8 fails to validate an HTTPS server certificate and displays a certificate error page.
2018-10-06, 135👍, 2💬

💬 2018-10-06 Herong: Onur, Maybe the auto-install root CA certificate function has been turned off on your Win7 system. But you can always do it manu...

💬 2018-09-25 Onur: I use IE8 with Win7 x64 and i got SSL certificate error while accessing sites issued with Digicert Global Root CA "G2" certifica...

"keytool" Exporting Certificates in DER and PEM
This section provides a tutorial example on how to export certificates in DER and PEM format using the 'keytool -exportcert' command.
2018-10-06, 20035👍, 4💬

💬 2018-10-06 Herong: Srinivas, what are those special characters? Are they appended to the keystore file or the certificate file?

💬 2018-09-25 Srinivas: After generating certificate, there are some special characters appended.

💬 2016-06-27 Herong: Mandar, can you double check your command? The error indicates you entered a wrong password.

💬 2016-06-23 Mandar: converting to der is sucessful. while converting to pem, I am getting below error. keytool error: java.io.IOException: Keystore ...

PDF Printing Version: Free Web Services Tutorials
Information on how to obtain the PDF version of this book for printing.
2018-10-04, 691👍, 4💬

💬 2018-10-04 basha: very good knowledge

💬 2016-09-20 dev: nice

💬 2015-10-19 peter: no comments

Literal Formats for Integers - Example
This section provides a tutorial example on how to use integer literals in 4 formats: decimal, hex, octal and binary.
2018-10-02, 109👍, 1💬

Passing Values between JSP Pages
This section provides a tutorial example on how to use different ways to pass values between JSP pages: putting values in 'session' or 'application' objects, or putting values at the end of redirect URL.
2018-09-28, 769👍, 4💬

Downloading Apache HTTP Server 2.2.25 for Windows
This section describes how to download Apache (HTTP Server) 2.2.25 binary distribution for Windows systems.
2018-09-25, 3352👍, 11💬

💬 2018-09-07 1234: aaaaa

💬 2018-09-07 lijun: duo xie

💬 2018-03-30 ywb: 体验

💬 2018-02-28 黄先生: 多谢

💬 2017-08-18 bill: thanks

'jstat -gcutil' - Garbage Collection Statistics
This section provides a tutorial example on how to use the 'jstat -gcutil' command to get garbage collection statistics against a specified JVM process ID.
2018-09-22, 208👍, 2💬

💬 2018-09-22 Herong: Jagan, "jstat" is for Windows system only. You need to use vmstat or iostat on Oracle Solaris or Linux operating system.

💬 2018-09-22 jagan: cd /usr/java/jdk1.8.0_172/bin/j jar jarsigner java javac java-rmi.cgi jcmd jdeps jjs jps jrunscript jstat is not there.. what we...

Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io.
2018-09-22, 421👍, 2💬

💬 2018-09-22 Herong: Jose, you can not withdraw Ether money from the Ropsten Test network. It has no real value.

💬 2018-09-19 Jose guzman: Hey, how can i withdraw that?

Blowfish Cipher Test Vectors
A list of test vectors is provided for the 16-round and 64-bit block Blowfish cipher algorithm.
2018-09-22, 157👍, 3💬

💬 2018-09-22 Herong: Codesmith, Thanks for the confirmation.

💬 2018-09-17 Codesmith: Having tested both, it seems the standard Blowfish algorithm is actually big-endian, as big-endian interpretation works for thes...

💬 2018-09-17 Codesmith: I presume these vectors are interpreted in little endian when being converted to pairs of 32bit values?

Loading JDBC Driver for MySQL Server
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-5.1.36-bi n.jar.
2018-09-20, 4661👍, 4💬

💬 2018-09-20 raj: hatt budbak aisa kuch nahin hota bakwas hai ye program

💬 2017-09-16 vivek sharma: good

💬 2017-01-14 Herong: Thanks for the nice comment! ☺

💬 2017-01-13 jasonts2000: Thank you, this is the best example of how to test a JDBC connection to mysql that I have seen posted

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.
2018-09-20, 12132👍, 15💬

💬 2018-09-20 santi: Thanks!

💬 2018-09-19 Natapatchara: Thanks

💬 2018-03-10 Mahesh: thanks

💬 2017-12-24 Su Su: Thanks

💬 2017-11-20 Guna: Thanks

(More comments ...)

Retrieving CLOB Values with getClob() Method
This section describes how to retrieve CLOB values with the ResultSet.getClob() method.
2018-09-20, 3667👍, 2💬

💬 2018-09-20 sdsfsdfs: hello its me

💬 2015-12-04 asdadsads: hello its me

"bitcoin-cli sendtoaddress" - Send Bitcoin
This section describes how to sent Bitcoins to another address test transaction on live.blockcypher.com.
2018-09-17, 211👍, 4💬

💬 2018-09-17 Herong: Berk, or you can use the "sendfrom" command: sendfrom &lt;fromaccount> &lt;tobitcoinaddress> &lt;amount>

💬 2018-09-16 Berk: Thank you for replying. How to set default account?

💬 2018-09-15 Herong: Berk, To send bitcoin from Test 1 to Test 2, you need to: Set default account to Test 1. Get the address of Test 2. Run sendtoad...

💬 2018-09-12 Berk: How to sent by from wallet? I want to send by wallet to target wallet. For example: C:\>\local\bitcoin-0.15.1\bin\bitcoi n-cli.ex...

Compilation and Execution Process of C Programs
This section describes steps of the compilation and execution process of C programs: preprocessing, compilation, assembly, linking and loading.
2018-09-15, 52464👍, 20💬

💬 2018-09-15 hardik bhoraniya: nice understanding

💬 2018-05-17 Khan rahil: Thanks

💬 2018-05-17 Ankit Kannaujiya: I am not satisfie

💬 2018-04-17 arayaw: Gr8

💬 2017-11-14 svs: Nice

(More comments ...)

Using java.net.HttpURLConnection to Send SOAP Messages
This section describes steps to follow if you want to use the java.net.HttpURLConnection class to send out a SOAP XML message.
2018-09-15, 27989👍, 15💬

💬 2018-09-15 Herong: Dan, SOAPAction is not needed in SOAP 1.2.

💬 2018-09-14 dan: Is it possible to send SOAP request without setting SOAPAction ? If yes how ?

💬 2017-02-26 roberto: ok

💬 2016-05-21 Herong: sss, are you referring to the example program in Using HttpURLConnection to Call GetSpeech SOAP 1.1?

💬 2016-05-19 sss: it only worked after changing to con.setRequestProperty("Content-Type ","application/soap+xml; charset=utf-8"); and without usin...

(More comments ...)

SWF File Example - Dump Output
This section provides a tutorial example on how to dump the file structure and list of tags of SWF file using the 'swfdump' command from 'SWFTools'.
2018-09-12, 113👍, 1💬

💬 2018-09-12 jeff: this was so bad

Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest.
2018-09-12, 14498👍, 10💬

💬 2018-09-12 Onkar D: very good summary about SHA1

💬 2018-09-11 abccc: dvcz

💬 2018-08-31 Munikumar: Great...

💬 2017-10-24 Siva: Thanks

💬 2017-08-24 Superman: &lt;script>alert("xss");&lt; /script>

(More comments ...)

Opening UTF-16LE Text Files
This section provides a tutorial example on how to open a UTF-16LE text file with Nodepad correctly by selecting the Unicode encoding option on the open file dialog box.
2018-09-09, 621👍, 3💬

💬 2018-09-09 Nit: GIF89a��������!�, T;

💬 2018-02-12 Herong: Krishna, dates should have nothing to do with UTF-16 LE format. Can you provide some examples?

💬 2018-02-08 Krishna: When I open a UTF-16 LE file notepad and and notepad ++ ,it is showing special characters for the dates. Is it because notepad +...

HTTPS Communication Data Encryption
This section describes the HTTPS communication data encryption process - Browser generates an encryption key, encrypts it using server public key and sends it to the server; Browser encrypts data with the encryption key; Server encrypts return data with the same encryption key.
2018-09-06, 166👍, 2💬

Listing All Tables - getTables()
This section describes how to get a list of all tables in the current database on the SQL Server through the DatabaseMetaData object.
2018-09-01, 477👍, 2💬

💬 2018-09-01 Herong: Arthur, thanks for your comment.

💬 2018-08-31 Arthur: When executing this with Oracle it will work. Unless you have several schemas on that database. It will then give you all the ta...

Retrieving CLOB Values with getString() Method
This section describes how to retrieve CLOB values with the ResultSet.getString() method.
2018-09-01, 192👍, 2💬

💬 2018-09-01 Herong: Srikanth, there should no size limitation. CLOB is designed to store very large character strings.

💬 2018-08-21 Srikanth: Is there any size limitation on getString() when used for clob column?

Java HotSpot VM - JVM by Oracle/Sun
This section provides a tutorial example on how to download and install JDK 1.8.0 (Java SE 8), which contains the HotSpot 1.8 JVM, on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation.
2018-09-01, 282👍, 2💬

💬 2018-09-01 Herong: arye, if you go to the JDK download website now, you can download JDK 10.0.2, which is higher than 1.8.0_60.

💬 2018-08-16 arye: After installing the software MotiveWave Ultimate Edition I get an error message It says This application requires a Java Runtim...

Downloading and Installing SoapUI 5.0.0
This section provides a tutorial example on downloading and installing SoapUI 5.0.0 on Windows system.
2018-08-30, 1826👍, 5💬

💬 2018-08-30 Tom: thank u

💬 2018-07-11 annie: hello

💬 2016-04-16 Edo: Thank you

What Is DSA (Digital Signature Algorithm)?
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: generation of a pair of public key and private key; generation and verification of digital signature.
2018-08-29, 23478👍, 15💬

💬 2018-08-29 Shawn: Thanks for the detailed explanation.

💬 2017-10-29 Abi: Very informative

💬 2017-04-01 Herong: T, A double asterisk ** is the exponentiation operation that raise a base to a power.

💬 2017-03-27 t: What is "**"?

💬 2017-03-10 appalaraju: useful

(More comments ...)

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