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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
...t for Unicode (UTF-16) encoding.
Support for versioning of cultural string ordering and comparison
data.
Better performance when retrieving resources.
Zip compression improvements to reduce the size of a compressed file.
Ability to customize a reflection context to override default
reflection behavi...
Can someone explain in simple terms to me what a directed acyclic graph is?
...Hence B depends on A or in better terms A has an edge directed to B. So in order to reach Node B you have to visit Node A. It will soon be clear that after adding all the subjects with its pre-requisites into a graph, it will turn out to be a Directed Acyclic Graph.
If there was a cycle then yo...
Convert a bitmap into a byte array
...bitmaps. Stride may include extra data at the end of each line (width) in order to have each line end and start on a 32-bit boundary for memory alignment and performance.
– deegee
Jan 6 '14 at 20:32
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Good MapReduce examples [closed]
... for a million records would take a while, and this would only increase in order of magnitute when the complexity of the query increases.
Map Reduce provides a cluster based implementation where data is processed in a distributed manner
Here is a wikipedia article explaining what map-reduce is a...
PostgreSQL: Show tables in PostgreSQL
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psql my_db_name should be run in order \dt to work. When I ran psql without a database name, I got a "No relations found" message
– Maksim Dmitriev
Nov 19 '13 at 15:01
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nvarchar(max) vs NText
...name, column_name
FROM information_schema.columns where data_type = 'TEXT' order by table_name, column_name
SELECT concat('ALTER TABLE dbo.[', table_name, '] ALTER COLUMN [', column_name, '] NVARCHAR(MAX)'), table_name, column_name
FROM information_schema.columns where data_type = 'NTEXT' order by ...
Alternative for PHP_excel
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Mechanisms for tracking DB schema changes [closed]
... found.
For all .sql files numbered higher than VERSION, execute them in order
If one of the files produced an error: roll back to the backup
Otherwise, update the version in the bookkeeping table to the highest .sql file executed.
Everything goes into source control, and every installati...
How to declare and add items to an array in Python?
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I believe you are all wrong. you need to do:
array = array[] in order to define it, and then:
array.append ["hello"] to add to it.
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