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php Programming Glossary: y1How can I dynamically add input fields to a form? http://stackoverflow.com/questions/1279534/how-can-i-dynamically-add-input-fields-to-a-form name x1 size 10 value 0.4318 td td input type text name y1 size 10 value 0.0000 td td input type text name z1 size 10 value..
PHP GD how to draw text over a line http://stackoverflow.com/questions/14894049/php-gd-how-to-draw-text-over-a-line Regular.ttf' two points for base line x1 50 x2 300 y1 150 y2 170 bof finding line angle delta_x x2 x1 delta_y y2 y1.. 150 y2 170 bof finding line angle delta_x x2 x1 delta_y y2 y1 texangle rad2deg atan2 delta_y delta_x 180 M_PI 360 eof finding.. 180 M_PI 360 eof finding the line angle imageline im x1 y1 x2 y2 txtcol Drawing line imagettftext im size texangle x1 y1..
Using AJAX to pass variable to PHP and retrieve those using AJAX again http://stackoverflow.com/questions/15637101/using-ajax-to-pass-variable-to-php-and-retrieve-those-using-ajax-again 'ajax.php' data dataType 'json' success function data1 var y1 data1 console.log data1 PHP CODE php userAnswer _POST 'name'..
Recreate Excel RATE function using Newton's Method http://stackoverflow.com/questions/3198939/recreate-excel-rate-function-using-newtons-method log 1 rate y pv f pmt 1 rate type f 1 fv y0 pv pmt nper fv y1 pv f pmt 1 rate type f 1 fv find root by secant method i x0.. find root by secant method i x0 0.0 x1 rate while abs y0 y1 FINANCIAL_PRECISION i FINANCIAL_MAX_ITERATIONS rate y1 x0 y0.. y0 y1 FINANCIAL_PRECISION i FINANCIAL_MAX_ITERATIONS rate y1 x0 y0 x1 y1 y0 x0 x1 x1 rate if abs rate FINANCIAL_PRECISION..
PHP+GD: imagecopymerge not retaining PNG transparencies http://stackoverflow.com/questions/3355993/phpgd-imagecopymerge-not-retaining-png-transparencies img2 imagecreatefrompng 'blue.png' x1 imagesx img1 y1 imagesy img1 x2 imagesx img2 y2 imagesy img2 imagecopyresampled.. y2 imagesy img2 imagecopyresampled img1 img2 0 0 0 0 x1 y1 x2 y2 imagepng img1 'merged.png' 0 PHP Version 5.3.2 GD Version..
http://stackoverflow.com/questions/6891352/crop-image-from-center-php round cropHeight 2 x1 max 0 centreX cropWidthHalf y1 max 0 centreY cropHeightHalf x2 min width centreX cropWidthHalf.. im getWidth 2 centreY round im getHeight 2 x1 centreX 100 y1 centreY 65 x2 centreX 100 y2 centreY 65 im crop x1 y1 x2 y2.. 100 y1 centreY 65 x2 centreX 100 y2 centreY 65 im crop x1 y1 x2 y2 takes care of out of boundary conditions automatically..
PHP JSON Highcharts load database result http://stackoverflow.com/questions/7810098/php-json-highcharts-load-database-result is an array. So it could look like either as follows y1 y2 y3 .... array of numbers which are y values or as follows.. .... array of numbers which are y values or as follows x1 y1 x2 y2 x3 y3 .... array of arrays of pair of numbers x and y..
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