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Advantages and disadvantages of GUID / UUID database keys
...of GUIDs as Primary Keys (SQL Server 2000)
Myths, GUID vs. Autoincrement (MySQL 5)
This is realy what you want.
UID Pros
Unique across every table, every database, every server
Allows easy merging of records from different databases
Allows easy distribution of databases across multiple servers
...
Heroku Postgres - terminate hung query (idle in transaction)
...icient:
select pg_terminate_backend(1234);
If you have shell access and root or postgres permissions you can also do it from the shell. To "cancel" one can do:
kill -INT 1234
and to "terminate", simply:
kill 1234
DO NOT:
kill -9 1234
... that will often result in the the whole postgres ...
Database Design for Revisions?
...le should contain all columns present in the first, Records table. E.g. in mysql you can easily create table with the same structure as another table (create table X like Y). And, when you are about to change structure of the Records table in your live database, you have to use alter table commands ...
Why unsigned integer is not available in PostgreSQL?
... is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer.
...
Should everything really be a bundle in Symfony 2.x?
... model:
type: annotation
dir: %kernel.root_dir%/../src/Vendor/Model
prefix: Vendor\Model
alias: Model
is_bundle: false
Entities's names — to access from Doctrine repositories — begin with Model in this case, fo...
How to get a time zone from a location using latitude and longitude coordinates?
...her Ideas
Find the nearest city with an R-Tree
Find the nearest city with MySQL
Please update this list if you know of any others
Also, note that the nearest-city approach may not yield the "correct" result, just an approximation.
Conversion To Windows Zones
Most of the methods listed will return ...
Django FileField with upload_to determined at runtime
...g to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
...
How do I design a class in Python?
...ormat but could easily convert to other formats when outputting (Postgres, MySQL, MongoDB).
Now let's think through the Database object. What does this hide and store? Well clearly it can't store the full contents of the database, since that is why we have a database! So what is the point? The goal...
Hibernate: Automatically creating/updating the db tables based on entity classes
...>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
</props>
</property>
</bean>
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...
Should the folders in a solution match the namespace?
...ough.
The rules we follow are:
Project/assembly name is the same as the root namespace, except for the .dll ending
Only exception to the above rule is a project with a .Core ending, the .Core is stripped off
Folders equals namespaces
One type per file (class, struct, enum, delegate, etc.) makes i...