comtechbd-java.blogspot.com
BD Computer Technology - Java Programming: September 2010
http://comtechbd-java.blogspot.com/2010_09_01_archive.html
BD Computer Technology - Java Programming. SWING - Radio Buttons. Creates an initially unselected radio button with no set text. Creates a radiobutton where properties are taken from the Action supplied. Creates an initially unselected radio button with the specified image but no text. Icon, boolean selected). Creates a radio button with the specified image and selection state, but no text. Creates an unselected radio button with the specified text. Text, boolean selected). Icon, boolean selected). Radio...
comtechbdccp.blogspot.com
Computer Technology - CPP: July 2009
http://comtechbdccp.blogspot.com/2009_07_01_archive.html
Computer Technology - CPP. A class is a user-defined type. Private Data and Functions. Public Data and Functions. Member functions can be defined in two types:. 1 Inside the class definition: example,. 2 Outside the class definition:. Void SetData(int n);. Void number: SetData(int n). One object can be assigned to another provided that both objects are of the same type. By default, when one object is assigned to another, a bitwise copy of all the data member are made. Float real, imag;. Complex C1,C2;.
comtechbddos.blogspot.com
Computer Technology - DOS: Label
http://comtechbddos.blogspot.com/2009/07/label_26.html
Computer Technology - DOS. To display the label. Information and you can also set new label name. Label (drive name) (new label). To edit a new label. Name directly of any particular drive. CD - Change Directory. Comparing Between Two Files. To Create New Text File. Simple template. Powered by Blogger.
comtechbd-java.blogspot.com
BD Computer Technology - Java Programming: Variables Arrays and Strings
http://comtechbd-java.blogspot.com/2010/09/variables-arrays-and-strings.html
BD Computer Technology - Java Programming. Variables Arrays and Strings. 17976931348623E308 to -9406545841247E-324 for negative values. 494065645841247E-324 to 1.79769313486232E308 for positive values. 34028223E38 to -1.401298E-45 for negative values and 1.401298E-45 to 3.402823E38 for positive values. Example of Integer variable,. Public static void main(String[] args). System.out.println("Number of days = " days);. Can have more digits than int. Values, so java provides an explicit way of creating long.
comtechbdlinux.blogspot.com
Computer Technology - Linux: SCHEDULED TASK
http://comtechbdlinux.blogspot.com/2009/07/scheduled-task.html
Computer Technology - Linux. User at job ID]. Job 3 at 2005-11-25 23:20. Can't open /var/run/atd.pid to signal atd. No atd running? Then you will get a command prompt of AT. After you have entered all the command (jobs) you want, at responds with the. Sign and then display a jobs number. To start or restart the " at. Service. Give the command as,. Root@localhost root]# service atd start. It starts the atd. Service to execute its jobs instructed by the use. 2005-11-26 12:00 a root. 2005-11-25 23:20 a root.
comtechbdoracle.blogspot.com
Computer Technology – Oracle: July 2009
http://comtechbdoracle.blogspot.com/2009_07_01_archive.html
Computer Technology – Oracle. Logging into a database. To access the database that you want to get data from (query) to create your web page, Oracle Web Publishing Assistant asks you to enter the login information:. Type the User Name that you use to log in to the database you want to query. For example, a sample client user SCOTT is included with the starter database of your Oracle8 product. Is made up of PL/SQL blocks. Triggers are executed by the database when specific types of data manipulation c...
comtechbd-java.blogspot.com
BD Computer Technology - Java Programming: Object-Oriented Programming
http://comtechbd-java.blogspot.com/2010/09/object-oriented-programming.html
BD Computer Technology - Java Programming. In Java, object-oriented programming involves around a few key concepts: classes, objects, data members, methods, and inheritance. A class is a template from which you can create objects. The definition of the class includes the formal specifications for the class and any data and methods in it. Example:. It is those variable that are part of a class, and they're how you store the data the object uses. It is a function built into a class or object. Example:.
comtechbdlinux.blogspot.com
Computer Technology - Linux: BASH SHELL
http://comtechbdlinux.blogspot.com/2009/07/bash-shell.html
Computer Technology - Linux. First we will create a text file which contains the text as below,. Root@localhost root]# cat f1. Now we have to give the executive permission to the file “ f1”. Rwx-w-r- root root 24 22 May 2004 f1. Now, we can execute this file by giving command as below,. Root@localhost root]# ./f1. It will display all users along with terminals which are running, current date and time and calendar of the current month. That means the contents of the file works as command. Linux is a OS.
