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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...egarding the indexing speed, Solr can also handle JOINS from your database tables. A higher and complex JOIN do affect the indexing speed. However, an enormous RAM config can easily tackle this situation.
The higher the RAM, The faster the indexing speed of Solr is.
ease of use and ease of i...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...ally run into them.
As for testing index usage you should first fill your table with some data to make optimizer think it's actually worth to use that index.
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How do I check if an array includes a value in JavaScript?
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Also relevant, the ES7 compatibility table (looks like chrome supports it now)
– styfle
Mar 11 '16 at 20:25
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Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
... components or very important features of UI components (like filtering on tables).
If SWT is missing a feature that you need, the framework is somewhat hostile to extending it. For example, you can't extend any class in it (the classes aren't final, they just throw exceptions when the package of t...
What does the KEY keyword mean?
In this MySQL table definition:
2 Answers
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HTML/CSS: Making two floating divs the same height
I have a little peculiar problem that I currently solve using a table , see below. Basically, I want to have two divs take up 100% of the available width, but only take up as much vertical space as needed (which isn't really that obvious from the picture). The two should at all times have the exa...
How to read data when some numbers contain commas as thousand separator?
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You can have read.table or read.csv do this conversion for you semi-automatically. First create a new class definition, then create a conversion function and set it as an "as" method using the setAs function like so:
setClass("num.with.commas...
How to change the type of a field?
...big deal no matter how you do it. If you were using SQL and this was a big table you would probably have to take some down time.
– Gates VP
Jun 28 '16 at 18:16
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How do you run a SQL Server query from PowerShell?
...dapter.Fill($dataSet) | Out-Null
$connection.Close()
$dataSet.Tables
}
I have been using this so long I don't know who wrote which parts. This was distilled from others' examples, but simplified to be clear and just what is needed without extra dependencies or features.
I use and shar...
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...me connection string. But you want to make sure they don't map to the same tables.
– Anthony Chu
Feb 4 '14 at 15:23
If...