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JVM and OS System Properties
This section provides a tutorial example on how to list all properties from the JVM and the OS that are accessible by your Java application.
2015-09-10, 2036👍, 3💬

💬 2015-09-10 Herong: Roland, Good to know that Java 1.8 is reporting your "user.home" directory correctly now :-)

💬 2015-09-09 Roland: I mean System.getProperty("user.home") has changed

💬 2015-09-09 Roland: On my system, I've changed my home dir to D:user\username. With java System.getProperty("user.dir"), I got always D:user\usernam...

Samsung USB Driver for Mobile Phones
This section provides a tutorial example on how to download and install Samsung USB Driver for Mobile Phones, which is needed to run Samsung Galaxy Tab 3 mini tablet in debug mode.
2015-09-09, 902👍, 1💬

💬 2015-09-09 Power-Man: Hello, thanks Doc Yang

binmode() - Opening Files for Binary Output
This section describes steps on how to open file for binary output using open(), binmode() and print() functions.
2015-09-09, 150👍, 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, 4264👍, 2💬

💬 2015-09-04 Herong: KariK, thanks for sharing your comments.

💬 2015-08-28 KariK: Step 5. CERT.RSA is not the only file type. There can also be CERT.DSA and CERT.EC files.

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💬

Using VBScript with Windows Script Host
This section provides tutorial example on how to run a simple VBScript code file with the Windows Script Host tool.
2015-08-31, 226👍, 1💬

"adb logcat" Command Options and Log Buffers
This section describes the 'adb logcat' command options to dump and manage log buffers: main, events, and radio. An example is given to dump logs into a set of rotated log files.
2015-08-30, 949👍, 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, 507👍, 2💬

💬 2015-08-23 Herong: You are welcome! What type of application are you using Flash for? I thought Flash is dead. Everyone is trying to replace it wit...

💬 2015-08-23 Queensoft: God THANK YOU !!! I tried to figure out this error for ages. It was as simple as placing video first, then audio !!!!!

Saving Images in BMP (Windows Bitmap) Format
This section provides a tutorial example on how to save an image in BMP (Windows Bitmap) format with 24-bit colors.
2015-08-22, 4373👍, 2💬

💬 2015-08-22 Herong: Gordon, the "Windows BMP image" format is actually the Windows BGR pixel format. You test it by create an image with RGB="3377ff...

💬 2015-08-19 gordon: But a real Windows bitmap file is BGR pixel format. Where is that option in Gimp?

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, 195👍, 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, 1041👍, 1💬

💬 2015-08-15 nicholas patterson: It is a great day

"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, 19093👍, 1💬

💬 2015-08-14 Jay: This is exactly what i was looking for... thank you...

Downloading and Installing JRockit R28.2.7
This section provides a tutorial example on how to download and install Oracle JRockit 6 R28.2.7 on Windows systems.
2015-08-11, 3190👍, 1💬

💬 2015-08-11 hgfhfg: gjhg

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, 267👍, 1💬

Running VBScript Code Files
This section provides a tutorial example on how to run a VBScript file with or without 'cscript/wscript' command.
2015-08-09, 2126👍, 1💬

💬 2015-08-09 mll: p

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, 1335👍, 1💬

💬 2015-08-08 nishant nath: I loved it

U0600: Arabic
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, 1013👍, 1💬

💬 2015-08-07 محمد خالد سعد حسي: From the table we change every word to its Unicode symbol the table from

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, 570👍, 1💬

💬 2015-08-05 Testing: This tutorial is helpful for beginners.

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, 3897👍, 2💬

💬 2015-08-05 ashkart: doesnt work indeed. Connection type got, connection object got too. But then there is an exception "java.net.ConnectException: C...

💬 2015-08-05 ashkart: sorry, works fine, i forgot i'm behind the proxy...

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, 2261👍, 2💬

💬 2015-08-04 Herong: Amanda, What type of device are you using?

💬 2015-08-04 amanda elizabeth kiely putri: i did try to login into facebok but the problem always say cache miss. pls let me know what to do with this problem accure

PDF Printing Version
Information on how to obtain the PDF version of this book for printing.
2015-08-04, 530👍, 1💬

💬 2015-08-04 Nikos: thanks

Running Java HotSpot Server VM
This section provides you a tutorial example on how to run Java HotSpot Server VM - run Java command with -server option: 'java -server'.
2015-08-04, 740👍, 1💬

💬 2015-08-04 anil: i want system to phone net

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, 651👍, 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, 1479👍, 2💬

💬 2015-07-31 Herong: Javier, Using this program is simple: run it in a command window as "java SocketRequestResponse host port in_file out_file", whe...

💬 2015-07-31 javier: sorry my bad english.. please an example, how use this, parameters?

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