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Difference between sh and bash
...r which your command follows. Some shells use $ instead of %, or # for the root shell.
– Roman Cheplyaka
Apr 17 at 7:09
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Python xml ElementTree from a string source?
... as @SamuelLampa mentioned. I is not a ElementTree, I am not able to do getroot() for this
– Siddharth Menon
Aug 21 '13 at 9:30
23
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How to add Active Directory user group as login in SQL Server
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Is there any chance to create groups in mysql like above?
– uzay95
Jul 17 '12 at 11:14
2
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
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A PostgreSQL "schema" is roughly the same as a MySQL "database". Having many databases on a PostgreSQL installation can get problematic; having many schemas will work with no trouble. So you definitely want to go with one database and multiple schemas within that database...
Why is IoC / DI not common in Python?
...rt psycopg
self.database_interface = psycopg
elif config_dbms_name == 'mysql':
...
Later code can then create a database interface by writing:
my_db_connection = self.database_interface()
# Do stuff with database.
Instead of the boilerplate factory functions that Java and C++ need, Pyth...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...MS
before assuming all of this still holds.
I've been a Sybase ASE, MySQL, and SQL Server DBA on-and off since for almost a decade (along with application development in C, PHP, PL/SQL, C#.NET, and Ruby). So, I have no particular axe to grind in this (sometimes) holy war.
The historical per...
Abusing the algebra of algebraic data types - why does this work?
.... There's no notion of subtraction of types, let alone division and square roots. So I guess my question is: when can you go from an algebraic manipulation assuming X is an element of the real numbers to a true statement about types, and moreover, where the does the correspondence (coefficient of n...
Most useful NLog configurations [closed]
... With hierarchical loggers, you can configure logging globally (the "*" or root logger), by FA (Database, Analysis, UI), or by subarea (Database.Connect, etc).
Loggers have many configuration options:
<logger name="Name.Space.Class1" minlevel="Debug" writeTo="f1" />
<logger name="Name.Sp...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...。
通过“策略模式”匹配不同的数据源，支持File, JDBC(MySQL, PostgreSQL), NoSQL(Cassandra, HBase, MongoDB)。
注：NoSQL的实现在mahout-integration-0.8.jar中。
数据格式支持2种：
GenericDataModel: 用户ID，物品ID，用户对物品的打分(UserID,ItemID,Pre...
Logging levels - Logback - rule-of-thumb to assign log levels
...should help to identify both which components are affected and which are a root cause.
ERROR - This component has had a failure and the cause is believed to be internal (any internal, unhandled exception, failure of encapsulated dependency... e.g. database, REST example would be it has received a ...