Jquery drag drop functionality

JSON- Javascript Object Notation

http://digitalpbk.blogspot.com/2007/06/json-javascript-object-notation.html All object lies between the { }each of the properties has a label and an associated value or an array.It is specified as label : valuea , separates the label-value pairs.Arrays are enclosed in square brackets [ ] and comma separated.In short a JSON object looks likevar blog = {name: "the Digital Me",author : "arun prabhakar",pages : ["http://url1/","http://url2/"];complexarray: [[0,10,10],[7,5,7],[1,9,8],[7,1,4]];};JSON and PHPPHP has 2 built in functions to help ...

Opening/Closing of CD Drive from VB

http://digitalpbk.blogspot.com/2006/11/openingclosing-of-cd-drive-from-vb.html Opening/Closing of CD Drive from VB Opening and closing of the CD drive can be achieved easily in visual basic by the following codePrivate Declare Function mciSendString Lib "winmm.dll" _Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _ByVal uReturnLength As Long, ByVal hwndCallback As Long) As LongDim strReturn As StringPublic Sub OpenCDDrive() 'Call me to open the CD Drive Call mciSendString("set CDAudio door ...

Adding HTML elements dynamically to a page

http://digitalpbk.com/javascript/adding-html-elements-dynamically-page ; function addfield() { var e = document.createElement("div"); e.innerHTML = 'Value '+c+' : '; document.getElementById("extendable").appendChild(e); c++; } Value 1 : Add More The Code to add dynamic Input Elements The following is the simple javascript code that adds html input elements dynamically to the form. Add to the head tag within <script> tag: var c = 0; function addfield() { var e = document.createElement("div"); ...

CAPTCHA - What ?

http://digitalpbk.blogspot.com/2007/07/captcha-what.html Bend, Orient or change the fonts randomlyHas a random background colour, which is not uniformHas little contrastHas minimum sharp edgesMaking your own CAPTCHA systemA simple CAPTCHA system can be made with PHP and the GD Library.The PHP-GD Library is used to make CAPTCHA images on the fly with random letters.The original text used in the image can be hashed by one way hashing algorithms such as MD5 and SHA. These hashes must be passed through a top-secret function that alters or encrypts the text again ...

ANSI Escape Sequences

http://digitalpbk.blogspot.com/2007/05/ansi-escape-sequences.html ANSI Escape Sequences IntroANSI Escape sequences are used to perform special operations on the terminal, such as changing the output color, making it bold, printing at a specified coordinate etc.The sequencesWherever you see '#', that should be replaced by the appropriate number. ESC code sequence Function ------------------- ---------------------------Cursor Controls: ESC[#;#H or ESC[#;#f Moves cusor to line #, column # ESC ...

Using PHP for more than HTML

http://digitalpbk.blogspot.com/2007/04/using-php-for-more-than-html.html . But the browser does. So we have to notify the browser the content-type of the content we are sending to the browser.This is done by header("Content-Type: image/jpeg");?>The header function adds or replaces the default headers. Thus here the default content type being html/plain-text is replaced by image/jpeg. Thus on the viewers browser the php file would be rendered as an image. Thus would show an image if the coding is correct and the image format is correctly rendered.More about returning ...

Free Online 8085 Assembler and Simulator

http://digitalpbk.blogspot.com/2008/08/online-8085-assembler-and-simulator.html Free Online 8085 Assembler and Simulator Free Online 8085 Assembler and SimulatorI just made this long back, just put it online for anyone that might be interested in using it.Quick StartEnter the code as shown in the sample in the code view,Click Compile and Simulate.Click HexView to see the hex code of the programClick SimView and Click Step or Exec to simulate the program.There is a built in special function call for keyboard reads : CALL KBINPUTDisplays a prompt for directly entering ...

Making symbolic links on Windows xp using junction from sysinternals

http://digitalpbk.com/2009/12/making-symbolic-links-windows-xp-using-junction-sysinternals Making symbolic links on Windows xp using junction from sysinternals Symlinks is a utility that allows two paths to point to the same set of files and subfolders. This is a handy utility on linux which lets you point one path on linux to another path. To do achieve the same functionality on Windows XP, software called junction can be used. provided by SysInternals. Here is the help from the junction.exe D:\>junction /? Junction v1.05 - Windows junction creator and reparse point viewer ...

Increasing the karma ratings on Orkut

http://digitalpbk.blogspot.com/2007/01/increasing-karma-ratings-on-orkut.html . The cat=0 in the URL specifies the fan function. cat=1 : stands for trusty rating.cat=2 : stands for cool rating.cat=3 : stands for sexy rating.The next GET parameter val=1 has to be modified as : val = 0: for 0 ratingval = 1: for 1 val = 2: for 2val = 3: for full rating.So our final URL for full trusty rating is : "http://www.orkut.com/setKarma?cat=1&val;=3&gid;=FR[friends id here]/[your id here]"Eg: "http://www.orkut.com/setKarma? ...

Base 64 Encoding

http://digitalpbk.blogspot.com/2006/12/base-64-encoding.html Orkut cookie structure is as follows:ORKUTPREF=ID=[Profile ID]:INF=0:SET=:LNG=1:CNT=91:RM=0:USR=[Base64 of your email]:PHS=:TS=:LCL=en-US:NET=1:TOS=:GC=[Base 64 of SID]:PE=[Base64 of your email]:GT1=1:GID:[Again base64 of email]:S=[base64 of some data]Have more information on this? Leave a comment...PHP Code/FunctionsPHP base64 functions are :   $ret = base64_encode($str);   $ret = base64_decode($str); ...