Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener... 2018-06-17, 398👍, 1💬
META-INF Files - Digests, Signature and Certificate
This section describes META-INF files in an .apk package file: MANIFEST.MF - manifest file, CERT.SF - signature file and CERT.RSA - the real signature file with certificate. 2015-09-04, 5011👍, 2💬
ActivityLog - Application to Create Log File
This section provides a tutorial example on how to create application, ActivityLog, to create a log file to monitor activity lifecycle using the android.content.Context.openFi leOutput()method. 2015-09-01, 282👍, 1💬
Video/Audio Stream Concatenation Order
This section provides a tutorial example of concatenation error message when using the 'concat' ffmpeg filter with incorrect video and audio stream order. 2015-08-23, 658👍, 2💬
Garbage Collection Tests
This chapter provides tutorial notes and example codes on garbage collection. Topics include garbage collection test program - GCTest2.java; comparisons between HotSpot 1.7.0, HotSpot 1.6.0 and JRockit R28.2.7. 2015-08-16, 199👍, 1💬
Setting up Gmail Access on Android Phone
This section provides a tutorial example on how to set up Gmail access on Android phones: 'Settings' > 'Account and sync' > 'Add account'. 2015-08-15, 1149👍, 1💬
"keytool -export/import" - Exporting and Importing Certificates
This section provides a tutorial example on how to use the 'keytool -export' command to export certificates out of a 'keystore' file. The 'keytool -import' command can be used to import certificates into a 'keystore' file. 2015-08-15, 23280👍, 1💬
UTF-8 (Unicode Transformation Format - 8-Bit)
This chapter provides notes and tutorial examples on UTF-8 encoding. Topics including introduction of UTF-8 encoding; examples of encoded byte stream; UTF-8 encoding algorithm. 2015-08-10, 272👍, 1💬
DES Key Schedule Algorithm Illustration Program Output
This section provides the execution output of the tutorial Java program, DESSubkeysTest.java, to illustrate how DES key schedule algorithm works. 2015-08-09, 1773👍, 1💬
This section provides a quick summary of the Unicode code point block: 'Arabic', which contains 256 code points to represent alphabetic letters used in the Arabic language. 2015-08-07, 1323👍, 1💬
PHP Data Types and Data Literals
This chapter provides tutorial notes and example codes on PHP data types and data literals. Topics include 8 data types supported in PHP; data literals to provide data values in PHP code for different data types; integer and float value overflow conditions. 2015-08-05, 675👍, 1💬
Using openConnection() Method in java.net.URL Class
This section provides a tutorial example on how to use the openConnection() method in the java.net.URL class to perform a GET method on an HTTPS server. Java Secure Socket Extension (JSSE) works quietly behind the java.net.URL class to provide HTTPS support. 2015-08-05, 4793👍, 2💬
android.webkit.WebView - Web Browser Base Class
This section provides a tutorial example on how to create an Android project to build your own Web browser using the android.webkit.WebView class. The first version failed with 'Webpage not available' error. 2015-08-05, 2561👍, 2💬
Relationship between Servlet and JSP
This section describes the relationship between of Servlet and JSP. Most JSP servers (containers) are implemented to support the JSP technology as an extension of the Servlet technology. 2015-08-03, 673👍, 1💬
SocketRequestResponse.java - Socket Client Testing Program
This section provides a tutorial example on how to write a Java program using socket interface to send a request and receive a response in binary mode. 2015-08-01, 1848👍, 2💬
SocketRequestResponseServer.java - Socket Server Testing Program
This section provides a tutorial example on how to write a socket level server side testing program to receive and record request received from a client program. 2015-08-01, 791👍, 2💬
Subkeys of 3DES Encryption
Hi Doc, I have subkeys recovered through DPA. Can 3DES.c be modified to accept these subkeys as inputs for a cryptographic operation? Alternatively, can the main 3DES key be reverse generated from the subkeys? Thanks. email@example.com 2015-07-23, 2382👍, 1💬
JSP Tutorials - Herong's Tutorial Examples
This free book is a collection of notes and sample codes written by the author while he was learning JSP. Topics include attachment, content-disposition, cookie, custom tag, debugging, expression language, file upload, header lines, HTTP, JavaBeen, JavaSever Page, JSP, JSTL, JSTL-EL, localization, M... 2015-07-21, 261👍, 0💬
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and fro...
This section describes how to delete rows from target tables through ResultSet objects.
This chapter provides notes and tutorial examples on XML Tools Plugin for Notepad++. Topics include ...
This section describes 'adb install' and 'adb uninstall' commands that allows you to install an appl...
This section describes how to download and install MySQL Connector/J (JDBC driver).