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Converting RGB to grayscale/intensity
...gt; L*
In color science, the common RGB values, as in html rgb( 10%, 20%, 30% ),
are called "nonlinear" or
Gamma corrected.
"Linear" values are defined as
Rlin = R^gamma, Glin = G^gamma, Blin = B^gamma
where gamma is 2.2 for many PCs.
The usual R G B are sometimes written as R' G' B' (R' = Rli...
What are the differences between a HashMap and a Hashtable in Java?
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35 Answers
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
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373
Update 3:
This warning can also be triggered by labels that have numberOfLines set to anything...
Eclipse/Java code completion not working
I've downloaded, unzipped and setup Eclipse 3.4.2 with some plugins (noteable, EPIC, Clearcase, QuantumDB, MisterQ).
23 An...
Displaying the #include hierarchy for a C++ file in Visual Studio
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236
There is a setting:
Project Settings -> Configuration Properties -> C/C++ -> Advanced...
'IF' in 'SELECT' statement - choose output value based on column values
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1039
SELECT id,
IF(type = 'P', amount, amount * -1) as amount
FROM report
See http://dev.m...
What is “thread local storage” in Python, and why do I need it?
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edited Jan 28 at 21:34
Willwsharp
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answered Sep ...
How to benchmark efficiency of PHP script
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Dec 4 '11 at 2:16
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Printing a variable memory address in swift
... you can do with this other than use it to identify the
/// object
Swift 3
For Swift 3, use withUnsafePointer:
var str = "A String"
withUnsafePointer(to: &str) {
print(" str value \(str) has address: \($0)")
}
s...
How to change font size in Eclipse for Java text editors?
I have just tried to change my font size in Eclipse 3.6.0 in the following way:
18 Answers
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