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MySQL JOIN the most recent row only?
I have a table customer that stores a customer_id, email and reference. There is an additional table customer_data that stores a historical record of the changes made to the customer, i.e. when there's a change made a new row is inserted.
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SQL query return data from multiple tables
...e know what colors we have in the car yard.
mysql> create table colors(id int(3) not null auto_increment primary key,
-> color varchar(15), paint varchar(10));
Query OK, 0 rows affected (0.01 sec)
mysql> show columns from colors;
+-------+-------------+------+-----+---------+--------...
ActiveRecord.find(array_of_ids), preserving order
When you do Something.find(array_of_ids) in Rails, the order of the resulting array does not depend on the order of array_of_ids .
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Install Marketplace plugin on Eclipse Juno
...o Eclipse -> Help -> Install New Software and Add and select Archive file Location
then press ok, it will check dependency and install it.
And Enjoy....
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How to create REST URLs without verbs?
...t Entity Too Large when someone attempts to send you an unacceptably large file
418 I'm a teapot when attempting to brew coffee with a teapot
Do use caching headers whenever you can
ETag headers are good when you can easily reduce a resource to a hash value
Last-Modified should indicate to you th...
SQL Server query to find all permissions/access for all users in a database
...at a query, based on Andomar's suggestions. This query is intended to provide a list of permissions that a user has either applied directly to the user account, or through
roles that the user has.
/*
Security Audit Report
1) List all access provisioned to a sql user or windows user/group directly ...
How should a model be structured in MVC? [closed]
...tely unaware of storage - neither from where (SQL database, REST API, text file, etc.) nor even if they get saved or retrieved.
Data Mappers
These objects are only responsible for the storage. If you store information in a database, this would be where the SQL lives. Or maybe you use an XML file to...
emacs, unsplit a particular window split
... those multiple-splits after typing C-x1).
You can enable it in your init file with:
(winner-mode 1) ;"C-c <left>" and "C-c <right>" undo and re-do window changes.
Also see: http://www.emacswiki.org/emacs/CategoryWindows
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Removing the fragment identifier from AngularJS urls (# symbol)
...ditions logicalGrouping="MatchAll">
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
<add input="{REQUEST_URI}" pattern="^/(api)" negate="true" />
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What makes a keychain item unique (in iOS)?
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The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class...