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Why is Magento so slow? [closed]
...o slow
Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying multiple rows
There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML ...
How to tell bash that the line continues on the next line
...st character before the end of line character. Consider this command:
mysql -uroot \
-hlocalhost
If there is a space after \, the line continuation will not work. The reason is that \ removes the special meaning for the next character which is a space not the invisible line feed cha...
When increasing the size of VARCHAR column on a large table could there be any problems?
... That's because you're not using SQL Server per the question (but MySQL, probably). "ALTER TABLE ... MODIFY" is not valid T-SQL.
– Jeroen Mostert
Nov 27 '14 at 9:08
a...
Multiple select statements in Single query
I am generating a report in php (mysql),
6 Answers
6
...
How to find where gem files are installed
...shims
- /Users/ttm/.rbenv/bin
- /Users/ttm/bin
- /usr/local/mysql-5.6.12-osx10.7-x86_64/bin
- /Users/ttm/libsmi/bin
- /usr/local/bin
- /usr/bin
- /bin
- /usr/sbin
- /sbin
- /usr/local/bin
Notice the two sections for:
INSTALLATION DIRECTORY
GEM PA...
What is the best way to paginate results in SQL Server
...Microsoft added a new feature to SQL 2012 that makes pagination similar to MySQL. Follow this link to learn how. It's an interesting article: dbadiaries.com/…
– Arash
Dec 20 '13 at 13:49
...
Difference between abstraction and encapsulation?
...le the article name. this is the one i stumbled upon tonymarston.co.uk/php-mysql/abstraction.txt
– Abhijeet Apsunde
Jul 29 '13 at 10:33
2
...
How to get a one-dimensional scalar array as a doctrine dql query result?
...roject/Hydrators/ColumnHydrator.php
namespace DoctrineExtensions\Hydrators\Mysql;
use Doctrine\ORM\Internal\Hydration\AbstractHydrator, PDO;
class ColumnHydrator extends AbstractHydrator
{
protected function hydrateAllData()
{
return $this->_stmt->fetchAll(PDO::FETCH_COLUMN);...
Create JSON-object the correct way
...ct. or: { [ { Which is exactly what I was looking for, importing MySQL JSON response into an iOS app :-) THANKS Cristian!!!
– Jacob Topping
Aug 12 '15 at 3:38
...
Mechanisms for tracking DB schema changes [closed]
...se.
Make a backup of the current database (because stuff will go wrong) [mysqldump].
Create bookkeeping table (called _meta) if it doesn't exist.
Read current VERSION from _meta table. Assume 0 if not found.
For all .sql files numbered higher than VERSION, execute them in order
If one of t...