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CROSS JOIN vs INNER JOIN in SQL
...JOIN and comma (",") (besides comma having lower precedence for evaluation order) is that (INNER) JOIN has an ON while CROSS JOIN and comma don't.
Re intermediate products
All three produce an intermediate conceptual SQL-style relational "Cartesian" product, aka cross join, of all possible combi...
C++ Redefinition Header Files (winsock2.h)
...t;winsock2.h> #include <ws2tcpip.h> #include <windows.h> in order and was getting winsock2,h file not found. Included #define _WINSOCKAPI_ above all 3 includes still the same error
– Ava
Mar 8 '12 at 19:06
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View a list of recent documents in Vim
...You don't have to scroll all the way to the bottom of the old file list in order to open a listed file. You can remember the number then press q to exit. Then in normal mode, press '0, '1, '2, ... to open the file. I often find pressing q to be faster than scrolling to the bottom.
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How to insert newline in string literal?
...but it's internally a bit slow because of culture specific concatenations, etc), while string concatenation - 1 resulting + 1 temporary, right?
– abatishchev
Nov 3 '10 at 9:55
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
...ing to replace ext/mysql with one of the other, more modern, extensions in order that you can reap the rewards of the benefits they offer; you might also use it as an opportunity to refactor your database access methods into a more modular structure.
However, if you have an urgent need to upgrade P...
What is an ORM, how does it work, and how should I use one? [closed]
...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...ems.
One other note: if you are using NTFS based storage (windows server, etc) you might consider finding a way around putting thousands and thousands of files in one directory. I am not sure why, but sometimes the file system does not cope well with that situation. If anyone knows more about this ...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...rily. In fact, it’s not even necessary for UTF-8 as it only has one byte order (but it could be used to identify UTF-8).
– Gumbo
Nov 25 '10 at 17:01
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How to find the mime type of a file in python?
...ease note, that "above" is a difficult concept in stackoverflow, since the ordering is grouped by votes and ordered randomly inside the groups. I am guessing you refer to @toivotuo's answer.
– Daren Thomas
May 4 '10 at 9:20
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...oid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find bind-address in the my.cnf file, look for it in /etc/mysql/mysql.conf.d/mysqld.cnf f...