¡@
php Programming Glossary: sumLSA - Latent Semantic Analysis - How to code it in PHP? http://stackoverflow.com/questions/1014927/lsa-latent-semantic-analysis-how-to-code-it-in-php way there. The papers above explain it better than I do. Assumptions your SVD function will give the singular values and singular.. the singular values. More succintly... pseudocode Let s1 sum Sigma . total 0 for ii in range len Sigma val Sigma ii total.. It's mathematical probabilistic basis is unsound it assumes normal ish Gaussian distributions which don't makes sense..
regex php: find everything in div http://stackoverflow.com/questions/1352078/regex-php-find-everything-in-div div class gallery text to extract from here as well So to sum up. It skips the first end of the div. and continues on to the..
Get size of POST-request in PHP http://stackoverflow.com/questions/1361451/get-size-of-post-request-in-php files you should iterate over the _FILE elements to sum each file 'size' . The exact total size does not match the raw..
How to sum values of the array of the same key http://stackoverflow.com/questions/1496682/how-to-sum-values-of-the-array-of-the-same-key to sum values of the array of the same key How can I add all the values.. 8 langthel 10 php arrays share improve this question sumArray array foreach myArray as k subArray foreach subArray as..
Is “SET CHARACTER SET utf8” necessary? http://stackoverflow.com/questions/1566602/is-set-character-set-utf8-necessary own collation which has a higher collation precedence. To sum this up the encoding transcoding procedure MySQL uses to process..
User recognition without cookies or local storage http://stackoverflow.com/questions/15966812/user-recognition-without-cookies-or-local-storage is still useful to identify the best of those matches. Assumptions Store all possible information about each user IP cookies.. Items this data item values mt_rand 0 1 this base array_sum importance public function setScore score diff this score score.. end checkpoints if all rows match the desired output ... sum array_sum checkpoints n_rows count checkpoints if totalRun..
What is the best way to validate a credit card in PHP? http://stackoverflow.com/questions/174730/what-is-the-best-way-to-validate-a-credit-card-in-php e.g. VISA Mastercard etc. CHECKSUM does it actually check sum e.g. not just 13 random numbers after 34 to make it an AMEX.. card types MASTERCARD Prefix 51 55 Length 16 Mod10 checksummed VISA Prefix 4 Length 13 or 16 Mod10 AMEX Prefix 34 or 37.. 6011 Length 16 Mod10 etc. detailed list of prefixes Checksum Most cards use the Luhn algorithm for checksums Luhn Algorithm..
http://stackoverflow.com/questions/1906255/create-api-using-php . REST on the other hand will allow anyone to easily consume your API. Let's look at an example say you want to provide.. Let's look at an example say you want to provide a simple sum service i.e. add a few numbers you could have a URI scheme like.. you could have a URI scheme like this http example.com sum to sum the numbers 5 8 and 9 your web service users would simpy..
How to pass data from Javascript to PHP and vice versa? http://stackoverflow.com/questions/406316/how-to-pass-data-from-javascript-to-php-and-vice-versa back to the Javascript script client.js data tohex 4919 sum 1 3 5 how would this script pass data to server.php and access.. server.php tohex ... How would this be set to data.tohex sum ... How would this be set to data.sum How would this be sent.. be set to data.tohex sum ... How would this be set to data.sum How would this be sent to client.js array base_convert tohex..
MySQL and NoSQL: Help me to choose the right one http://stackoverflow.com/questions/4419499/mysql-and-nosql-help-me-to-choose-the-right-one 65 forum 65 15000000 ooh a big one Query runtimes select sum next_thread_id from forums sum next_thread_id 539 155 433 500.. one Query runtimes select sum next_thread_id from forums sum next_thread_id 539 155 433 500 million threads so far and still.. million threads so far and still growing... under innodb summing the next_thread_ids to give a total thread count is much..
http://stackoverflow.com/questions/4983915/is-time-a-good-salt this code safe Thanks for the answers and comments. I will sum it up here for the new readers salt should be different for.. to try to derive a salt from some data which is presumably unique such as the user ID but such schemes often fail due..
http://stackoverflow.com/questions/90982/multiple-inheritance-in-php throw new Exception MIME type m type not supported To sum it up responsibility is split between two classes. Message configuration..
Calculating total quantity of equipments for a date range http://stackoverflow.com/questions/12109737/calculating-total-quantity-of-equipments-for-a-date-range intersect with the given range SELECT MAX available IFNULL SUM amountInSch 0 FROM Table1 LEFT JOIN Table3 USING eqid LEFT JOIN..
finding common prefix of array of strings http://stackoverflow.com/questions/1336207/finding-common-prefix-of-array-of-strings egrep ^ Str wc l GIVES TOTAL ITERATION SUM. php Script with strCommonPrefixByNeighbour egrep ^ Str wc l.. ^ Str wc l PLUS egrep ^MATCH wc l GIVES TOTAL ITERATION SUM. My hypothesis was proven strCommonPrefixByChar wins in situations..
How do I group by month and year when only having a datetime field? http://stackoverflow.com/questions/1559201/how-do-i-group-by-month-and-year-when-only-having-a-datetime-field need to generate a monthly total of transactions which is SUM amount but I stumped by what do I group by. Each row from SQL.. this question You need to group by extracts. SELECT SUM amount FROM transaction GROUP BY EXTRACT MONTH FROM when EXTRACT.. MONTH FROM when as month EXTRACT YEAR FROM when as year SUM amount FROM transaction GROUP BY month year Of course you can..
http://stackoverflow.com/questions/2122721/what-are-the-differences-between-backtick-and-single-quote-can-i-use-if-stateme need a compound select statement. this db select ' SELECT SUM payments.amount FROM payments WHERE payments.invoice_id 4 AS..
counting data and grouping by week in mysql http://stackoverflow.com/questions/3640729/counting-data-and-grouping-by-week-in-mysql 0 .... AS total FROM yourTable AS n LEFT JOIN SELECT name SUM qty AS amount FROM yourTable WHERE DAY date BETWEEN 1 AND 7.. AND 7 GROUP BY name AS w1 USING name LEFT JOIN SELECT name SUM qty AS amount FROM yourTable WHERE DAY date BETWEEN 8 AND 14..
How would I implement a simple site search with php and mySQL? http://stackoverflow.com/questions/386914/how-would-i-implement-a-simple-site-search-with-php-and-mysql of occurrences of a string in the search fields SELECT SUM LENGTH p.body LENGTH REPLACE p.body 'term' '' 4 LENGTH p.body..
Fatal error: Call to a member function fetch_assoc() on a non-object http://stackoverflow.com/questions/5121027/fatal-error-call-to-a-member-function-fetch-assoc-on-a-non-object image_id date_uploaded FROM `images` ORDER BY SELECT SUM image_id `images`.image_id FROM `image_votes` AS score SELECT..
php group by SUM using multi dimensional array http://stackoverflow.com/questions/5269188/php-group-by-sum-using-multi-dimensional-array group by SUM using multi dimensional array I have a php array like this.. 2 Array url_id 2191606 time_spent 25 So how to get the SUM of time_spent based on group by url_id using array_count_values..
get sum of mysql column in php http://stackoverflow.com/questions/5808522/get-sum-of-mysql-column-in-php You can completely handle it in the MySQL query SELECT SUM column_name FROM table_name In the PHP code try this result.. In the PHP code try this result mysql_query 'SELECT SUM value AS value_sum FROM codes' row mysql_fetch_assoc result..
Find out how many users are online in PHP? http://stackoverflow.com/questions/890820/find-out-how-many-users-are-online-in-php php count user share improve this question SELECT SUM lastOnline 60 AS one_minute SUM lastOnline 300 AS five_minutes.. this question SELECT SUM lastOnline 60 AS one_minute SUM lastOnline 300 AS five_minutes ... SUM lastOnline 30240000 AS.. 60 AS one_minute SUM lastOnline 300 AS five_minutes ... SUM lastOnline 30240000 AS one_month FROM usersonline Using this..
|