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Java HashMap performance optimization / alternative
...around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a an...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
...h. I have successfully implemented this using jquery. However when I get 401 error basic auth browser popup is opened and jquery ajax error callback is not called.
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How can I use PowerShell with the Visual Studio Command Prompt?
...s been driving me nuts that I have to punt to cmd.exe when running the VS2010 Command Prompt. I used to have a nice vsvars2008.ps1 script for Visual Studio 2008. Anyone have a vsvars2010.ps1 or something similar?
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How do I make an attributed string using Swift?
...tribute = [ NSAttributedString.Key.font: UIFont(name: "Chalkduster", size: 18.0)! ]
let myAttribute = [ NSAttributedString.Key.underlineStyle: NSUnderlineStyle.single.rawValue ]
let myShadow = NSShadow()
myShadow.shadowBlurRadius = 3
myShadow.shadowOffset = CGSize(width: 3, height: 3)
myShad...
Where do I find the line number in the Xcode editor?
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edited Sep 12 '17 at 15:04
answered May 5 '11 at 17:26
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How to make the window full screen with Javascript (stretching all over the screen)
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19 Answers
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How to center canvas in html5
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179
Give the canvas the following css style properties:
canvas {
padding-left: 0;
padding...
log4j: Log output of a specific class to a specific appender
...atternLayout
log4j.appender.logfile.layout.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n
log4j.logger.foo.bar.Baz=DEBUG, myappender
log4j.additivity.foo.bar.Baz=false
log4j.appender.myappender=org.apache.log4j.DailyRollingFileAppender
log4j.appender.myappender.datePattern='-'dd'.log'
l...
Linux c++ error: undefined reference to 'dlopen'
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10 Answers
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