php Programming Glossary: explainhttp://stackoverflow.com/questions/10057671/how-foreach-actually-works the copy of source theory. The Question Please can someone explain what is going on here My C fu is not good enough for me to able..
Can't use method return value in write context http://stackoverflow.com/questions/1075534/cant-use-method-return-value-in-write-context When I wrote this answer three years ago I merely meant to explain the nature of the error not necessarily endorse the alternative...
What is the PHP ? : operator called and what does it do? http://stackoverflow.com/questions/1080247/what-is-the-php-operator-called-and-what-does-it-do operator called and what does it do Can someone please explain what the and operators are in PHP e.g. request_type 'SSL' HTTPS_SERVER..
How can an SQL query return data from multiple tables http://stackoverflow.com/questions/12475850/how-can-an-sql-query-return-data-from-multiple-tables of common mistakes that are made when starting out and explain what goes wrong with them as well as of course showing how to.. Right that's the boss off our back for a moment. Now to explain some of this in a little more detail. As you can see the from.. in set 0.00 sec And with that away the boss skulks. Now to explain this in some more detail outer joins can be of the left or right..
Reference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php fixing the error is trivial. Hence this list tries to explain the solution in a general way to apply. What should I do here..
MVC For advanced developers [closed] http://stackoverflow.com/questions/16356420/mvc-for-advanced-developers Don't Look For Things When you understand all that was explain in this series you can expand on Don't be STUPID Grasp SOLID..
PHP Parse/Syntax Errors; and How to solve them? http://stackoverflow.com/questions/18050071/php-parse-syntax-errors-and-how-to-solve-them more than one example. Don't just relist narrow cases but explain the syntax context when feasible. php debugging syntax error..
http://stackoverflow.com/questions/2063480/the-3-different-equals 3 different equals Can someone explain to me the difference between and I think using one equal sign..
PHP tutorial that is security-, accuracy- and maintainability-conscious? [closed] http://stackoverflow.com/questions/2119083/php-tutorial-that-is-security-accuracy-and-maintainability-conscious form of encoding when they're output. The tutorial should explain that when a string goes into a new context it needs an encoding..
http://stackoverflow.com/questions/2832010/what-is-output-buffering is Output Buffering can anybody explain me what is output buffering and why one is using it in php ..
http://stackoverflow.com/questions/3430181/acl-implementation implementation First question Please could you explain me how simpliest ACL could be implemented in MVC. Here is the..
PHP: “Notice: Undefined variable” and “Notice: Undefined index” http://stackoverflow.com/questions/4261133/php-notice-undefined-variable-and-notice-undefined-index for people to link to as duplicate instead of having to explain the issue over and over again. I feel this is necessary because..
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 split the databases among the servers but with the problem explained above that is still not enought. If I install cassandra on.. in thread PRIMARY id forumid dateline replycount Select explain mysql explain SELECT FROM thread WHERE forumid 655 AND visible.. id forumid dateline replycount Select explain mysql explain SELECT FROM thread WHERE forumid 655 AND visible 1 AND open..
How do you use bcrypt for hashing passwords in PHP? http://stackoverflow.com/questions/4795385/how-do-you-use-bcrypt-for-hashing-passwords-in-php Passwords need a one way hashing function. Could anyone explain php passwords cryptography password protection bcrypt share..
How do I expire a PHP session after 30 minutes? http://stackoverflow.com/questions/520237/how-do-i-expire-a-php-session-after-30-minutes and session.cookie_lifetime are not reliable. I 耱l explain the reason for that. First session.gc_maxlifetime session.gc_maxlifetime..
How should a model be structured in MVC? http://stackoverflow.com/questions/5863870/how-should-a-model-be-structured-in-mvc external links that are used in the content are there to explain terms and concepts and not to imply my own credibility on subject... build the model Since there is not single Model class as explained above you really do not build the model . Instead you start..
How do the equality (== double equals) and identity (=== triple equals) comparison operators differ? http://stackoverflow.com/questions/80646/how-do-the-equality-double-equals-and-identity-triple-equals-comparis triple equals comparison operators differ Can you explain the difference between and giving some useful examples php..
Is there any way to check the performance of mysql Indexing http://stackoverflow.com/questions/11578241/is-there-any-way-to-check-the-performance-of-mysql-indexing query Thank you EDIT Here i am attaching my test servers EXPLAIN result. In test server there are only few rows but in live server.. query will tell you whether query uses index or not EXPLAIN EXTENDED SELECT col1 col2 col3 COUNT 1 FROM table_name WHERE..
Optimizing Kohana-based Websites for Speed and Scalability http://stackoverflow.com/questions/1260134/optimizing-kohana-based-websites-for-speed-and-scalability are optimized using the right indexes mainly using the EXPLAIN instruction if you are using MySQL See also Optimizing SELECT..
Searching for availability with MySQL (and PHP)? http://stackoverflow.com/questions/1687519/searching-for-availability-with-mysql-and-php Cottage 2009 01 20 2009 01 31 11 Analyzing this with EXPLAIN shows that it employs indexes pretty well id select_type.. b2 ref F_LU_ID F_LU_ID 8 const 0 Compare with the EXPLAIN report for the solution given by @martin clayton id..
php & mySQL: Query does not use index in table join http://stackoverflow.com/questions/2333878/php-mysql-query-does-not-use-index-in-table-join books.book_id WHERE books.author_id 1 An EXPLAIN on the above shows me id select_type table type possible_keys.. not use index Does not use the index in book_sales table EXPLAIN SELECT sale_amount price FROM books book_sales FORCE INDEX book_id.. 1 Does not use the index in book_sales table EXPLAIN SELECT sale_amount price FROM book_sales books WHERE books.author_id..
How to avoid “Using temporary” in many-to-many queries? http://stackoverflow.com/questions/5472241/how-to-avoid-using-temporary-in-many-to-many-queries DESC LIMIT 0 20 But it runs very slow. Here is what EXPLAIN said select_type table type possible_keys key key_len ref .. is used to retrieve rows. This is the first table in the EXPLAIN output that does not have a const join type. but I still have..
When mysql_query returns false http://stackoverflow.com/questions/8576902/when-mysql-query-returns-false See the reference guide For SELECT SHOW DESCRIBE EXPLAIN and other statements returning resultset mysql_query returns..
|