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What is Common Gateway Interface (CGI)?
...st for page ---> webserver ---[CGI]----> Server side Program ---> MySQL Server.
Most if not all, webservers can be configured to execute a program as a 'CGI'. This means that the webserver, upon receiving a request, will forward the data to a specific program, setting some environment vari...
Conveniently map between enum and int / String
...I always store constants as strings in my databases. (Actually, when using MySql, I store them as MySql enums!)
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How to use index in select statement?
...swer your specific question you have to specify the DB you are using.
For MySQL, you want to read the Index Hint Syntax documentation on how to do this
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What is the difference between JOIN and UNION?
... subsets it -- completely different operations. Trivial example of UNION:
mysql> SELECT 23 AS bah
-> UNION
-> SELECT 45 AS bah;
+-----+
| bah |
+-----+
| 23 |
| 45 |
+-----+
2 rows in set (0.00 sec)
similary trivial example of JOIN:
mysql> SELECT * FROM
-> (SELECT...
Do I need to create indexes on foreign keys on Oracle?
...int creates also an index... i.e. Jet Engine (MSAccess files, Firebird and MySQL)
– bubi
Apr 23 '15 at 15:19
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What is the length of the access_token in Facebook OAuth2?
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MySQL requires an upper-bound on this. Please give a realistic upperbound. e.g. 1000 characters, 10,000 characters, 1,000,000,000 characters? Having no upper-bound is just unreasonable.
– Yahya Uddin
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How to enable PHP's openssl extension to install Composer?
...\v1.0\;C:\Program files\Microsoft\Web Platform Installer\;C:\Program Files\MySQL\MySQL Server 5.5\bin.. there isn't any php installed in any of those directories.. what do i do now?
– abbood
Mar 11 '14 at 10:36
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Dealing with multiple Python versions and PIP?
...get-pip.py
Use specific pip version to install packages:
pip2.7 install mysql-connector-python --allow-external mysql-connector-python
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Reading an Excel file in PHP [closed]
... you want to use the data in the excel file. If you want to import it into mysql, you could simply save it as a CSV formatted file and then use fgetcsv to parse it.
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How to paginate with Mongoose in Node.js?
...sappointed', although it is a valid caution. Although the same issue is in MySQL offset,limit. It is has to traverse the tree to the offset before returning results. I'd take this with a grain of salt, if your result sets are less than 1mil and there's no preservable performance hit, use skip().
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