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Airspace -- A deep rabbit hole

In previous maps we looked at Class B, C, and D airspace. Let’s add in Class E0 and E5… (not yet in 3D):

(Map tiles by… 33 more words


Recuperar senha de qualquer usuário do Mysql

Primeiro passo é parar o o serviço do mysql com o seguinte comando:

# /etc/init.d/mysql stop

iniciando o MySQL em modo de segurança:

# mysqld_safe --skip-grant-tables --skip-networking &
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Quando o liquibase é forçado a parar, durante o deploy da aplicação, é possivel que no próximo deploy você se depare com a seguinte mensagem repetidas vezes: 84 more words


Airspace is complicated -- and so I abuse PostGIS once again -- Reprise...

In the previous post: http://smathermather.wordpress.com/2014/10/25/airspace-is-complicated-and-so-i-abuse-postgis-once-again/ we explore the 3D shape and complexity of controlled airspace.

Now here’s the rest of the code. We’ll add our affine transformation ala Seth Fitsimmons: 204 more words


Data types

Data types and Precedence of convert types

SQL Server associates columns, expressions, variables, and parameters with data types. Data types determine what kind of data can be stored in the field: Integers, characters, dates, money, binary strings, etc. 131 more words


Reclaim Mongodb Diskspace

Mongodb chews through disk space.  Even our lightly used servers need to be cleared out every couple of months.  The new usePowerOf2Sizes flag has helped but it hasn’t eliminated our need to perform a full… 60 more words


Ex-Health Worker Gets 3 Years Prison For Stealing Patient Identities

MIAMI (AP) — A former assistant at a South Florida medical practice has been sentenced to three years in federal prison for stealing patient identities from a hospital database. 109 more words