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java : convert float to String and String to float
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Using Java’s Float class.
float f = Float.parseFloat("25");
String s = Float.toString(25.0f);
To compare it's always better to convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are diffe...
SELECT DISTINCT on one column
...lues (3 , 'FOO-24' ,'Apple')
insert into @TestData values (4 , 'FOO-25' ,'Orange')
--basically the same as @Aaron Alton's answer:
SELECT
dt.ID, dt.SKU, dt.Product
FROM (SELECT
ID, SKU, Product, ROW_NUMBER() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowID
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What does the constant 0.0039215689 represent?
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0.0039215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than repeatedly dividing by 255.
Side...
ASP.NET MVC Razor render without encoding
...ded.
– James Wilkins
Dec 4 '17 at 6:25
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How to check if a model has a certain column/attribute?
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edited Sep 25 '15 at 4:34
mahemoff
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How to draw vertical lines on a given plot in matplotlib?
...yword arguments ymin and ymax if you like in axes corrdinates (e.g. ymin=0.25, ymax=0.75 will cover the middle half of the plot). There are corresponding functions for horizontal lines (axhline) and rectangles (axvspan).
s...
java: ArrayList - how can i check if an index exists?
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answered Jan 25 '10 at 11:14
AmarghoshAmarghosh
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How to downgrade or install an older version of Cocoapods
... of cocoa pods via the following command:
sudo gem install cocoapods -v 0.25.0
You can use older installed versions with following command:
pod _0.25.0_ setup
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YAML Multi-Line Arrays
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254
A YAML sequence is an array. So this is the right way to express it:
key:
- string1
- str...
What are the differences between segment trees, interval trees, binary indexed trees and range trees
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+25
All these data structures are used for solving different problems:
Segment tree stores intervals, and optimized for "which of these...