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php Programming Glossary: calculatingHow to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php and evaluate it by replacing values of variables and calculating the results of mathematical functions and operations. It supports..
Whats the easiest way to determine is a user in online? (PHP/MYSQL) http://stackoverflow.com/questions/1051895/whats-the-easiest-way-to-determine-is-a-user-in-online-php-mysql server time via the NOW function in MySQL you'll side step calculating differences between timezones. This is the standard way of tracking..
How to make a calculator in PHP? http://stackoverflow.com/questions/12692727/how-to-make-a-calculator-in-php all steps but that's not hard. The problem right now is calculating the value of the expressions. Note this is what I thought so..
PHP MySQL Google Chart JSON - Complete Example http://stackoverflow.com/questions/12994282/php-mysql-google-chart-json-complete-example is in number format as pie chart only required numbers for calculating percentage and string will be used for column title array 'label'.. is in number format as pie chart only required numbers for calculating percentage and string will be used for Slice title array 'label'.. is in number format as pie chart only required numbers for calculating percentage and string will be used for Slice title array 'label'..
How to 'insert if not exists' in MySQL? http://stackoverflow.com/questions/1361340/how-to-insert-if-not-exists-in-mysql just do nothing do some meaningless empty operation like calculating 0 0 Geoffray suggests doing the id id assignment for the MySQL..
Turn database result into array http://stackoverflow.com/questions/2794638/turn-database-result-into-array '_parent' '573167' Re your comment about calculating depth or really length of each path. Assuming you've just inserted..
PHP crop image to fix width and height without losing dimension ratio http://stackoverflow.com/questions/3255773/php-crop-image-to-fix-width-and-height-without-losing-dimension-ratio with GD Library myImage imagecreatefromjpeg imgSrc calculating the part of the image to use for thumbnail if width height y..
http://stackoverflow.com/questions/3606139/php-mysql-and-geolocation What is the best way to do this EDIT I found this code for calculating the distance between 2 points. function distance lat1 lon1 lat2..
http://stackoverflow.com/questions/3776682/php-calculate-age was causing this. Does anyone have a more reliable way of calculating the age replace with so strtotime works dob strtotime str_replace..
http://stackoverflow.com/questions/428473/matrix-artihmetic-in-php simple matrix arithmetic to also include things like calculating the determinant or solving systems of equations. share improve..
How do you handle timezone difference calculation in PHP? http://stackoverflow.com/questions/4299183/how-do-you-handle-timezone-difference-calculation-in-php in PHP I'm being told that this below method of calculating the user's local time is sometimes not working. What's the best..
PHP Thumbnail Image Resizing with proportions http://stackoverflow.com/questions/4590441/php-thumbnail-image-resizing-with-proportions imagesy img determine which side is the longest to use in calculating length of the shorter side since the longest will be the max..
md5 hashing using password as salt? http://stackoverflow.com/questions/5482437/md5-hashing-using-password-as-salt file. Append that string to every password before calculating a hash. Now the rainbow table is far less likely to work because..
PHPExcel very slow - ways to improve? http://stackoverflow.com/questions/5983845/phpexcel-very-slow-ways-to-improve Use objWriter setPreCalculateFormulas false to disable calculating the formulae within PHPExcel itself. Those are just a few hints..
update total price based on selection mysql php http://stackoverflow.com/questions/7726115/update-total-price-based-on-selection-mysql-php then add £15 etc. Here is the code i currently have for calculating price per litre. show price fuelPriceQuery sprintf SELECT `Price`..
Improve password hashing with a random salt http://stackoverflow.com/questions/9420722/improve-password-hashing-with-a-random-salt doesn't cost you much but it makes a brute force attack calculating rainbow tables even more expensive... please don't invent yourself..
SQL query for Calculating Total No. of Orders per Day? http://stackoverflow.com/questions/1133109/sql-query-for-calculating-total-no-of-orders-per-day query for Calculating Total No. of Orders per Day Can anyone post a SQL query for.. No. of Orders per Day Can anyone post a SQL query for Calculating Total No. of Orders per Day Here are the Columns along with..
Calculating total quantity of equipments for a date range http://stackoverflow.com/questions/12109737/calculating-total-quantity-of-equipments-for-a-date-range total quantity of equipments for a date range Project I am..
Calculating roots with bc_math or GMP http://stackoverflow.com/questions/1522207/calculating-roots-with-bc-math-or-gmp roots with bc_math or GMP I'm having trouble calculating roots..
Calculating days of week given a week number http://stackoverflow.com/questions/186431/calculating-days-of-week-given-a-week-number days of week given a week number Given a week number e.g. date..
Calculating the time difference in an PHP/MySQL/JavaScript system http://stackoverflow.com/questions/2020517/calculating-the-time-difference-in-an-php-mysql-javascript-system the time difference in an PHP MySQL JavaScript system I was..
Calculating Great-Circle Distance with SQLite http://stackoverflow.com/questions/2083182/calculating-great-circle-distance-with-sqlite Great Circle Distance with SQLite Here is my problem I have..
PHP Calculating future date by adding days to a variable date http://stackoverflow.com/questions/2692679/php-calculating-future-date-by-adding-days-to-a-variable-date Calculating future date by adding days to a variable date I was looking..
Calculating the number of Saturdays and Sundays http://stackoverflow.com/questions/2958693/calculating-the-number-of-saturdays-and-sundays the number of Saturdays and Sundays How can I calculate the..
PHP MySQL get locations in radius user's location from GPS http://stackoverflow.com/questions/3349808/php-mysql-get-locations-in-radius-users-location-from-gps coordinates radius share improve this question Calculating the distance is pretty computationally expensive as others have..
http://stackoverflow.com/questions/3606139/php-mysql-and-geolocation geolocation geospatial share improve this question Calculating the distance using that function there is pretty computationally..
Calculating distance between zip codes in PHP http://stackoverflow.com/questions/407989/calculating-distance-between-zip-codes-in-php distance between zip codes in PHP I grabbed a database of the..
http://stackoverflow.com/questions/4845290/calculating-rank-in-php-mysql rank in PHP MySQL I've got a table in MySQL lets just say for..
http://stackoverflow.com/questions/4993502/jquery-load-progress-bar current bytes loaded and bytes total during any download. Calculating the uploaded bytes would be sweet too. Anyone have another posted..
Coding standards and line length [closed] http://stackoverflow.com/questions/566082/coding-standards-and-line-length computations the preferred method is to break it down. Calculating the julian date or easter is done in several steps instead of..
Doing calculations in MySQL vs PHP http://stackoverflow.com/questions/6449072/doing-calculations-in-mysql-vs-php belong in the SQL level. However what about examples like Calculating a 24 period using NOW 1 day in SQL to select all users created..
Calculating image size ratio for resizing http://stackoverflow.com/questions/6594089/calculating-image-size-ratio-for-resizing image size ratio for resizing I've defined fixed width and..
Calculating working hours between two dates http://stackoverflow.com/questions/8914360/calculating-working-hours-between-two-dates working hours between two dates I need a PHP method for calculating..
PHP/MySQL: Select locations close to a given location from DB http://stackoverflow.com/questions/894713/php-mysql-select-locations-close-to-a-given-location-from-db about database vs code or any other such optimizations. Calculating distance between zip codes in PHP has a couple of PHP implementations..
Improve password hashing with a random salt http://stackoverflow.com/questions/9420722/improve-password-hashing-with-a-random-salt much more expensive in time memory terms for the attacker. Calculating such a table is expensive and usually only done when it can..
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