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How to get RGB values from UIColor?
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Be warned that this method will only succeed if the starting color is in "a compatible color space", which can vary depending on the device/OS. For example I just discovered that calling this on [UIColor darkGrayColor] will fail on an iPad 2 running iOS 7. However the same col...
Could you explain STA and MTA?
...ng a window message to a hidden window; when it makes an outbound call, it starts a modal message loop to prevent other window messages being processed. You can specify a message filter to be called, so that your application can respond to other messages.
By contrast all MTA threads share a single ...
Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
...eleased automatically when memory warnings are issued.
Whenever the user start zooming, I acquire the CGPDFPage and render it using the appropriate CTM. The code in - (void)drawLayer: (CALayer*)layer inContext: (CGContextRef) context is like :
CGAffineTransform currentCTM = CGContextGetCTM(conte...
Position Relative vs Absolute?
...osition: absolute;
Absolute positioning is the easiest to understand. You start with the CSS position property:
position: absolute;
This tells the browser that whatever is going to be positioned should be removed from the normal flow of the document and will be placed in an exact location on the...
How to make Java honor the DNS Caching Timeout?
...ble the desired effect.
But be aware: if you don't use the -D flag when starting the JVM process and elect to call this from code instead:
java.security.Security.setProperty("networkaddress.cache.ttl" , "0")
This code must execute before any other code in the JVM attempts to perform networking...
Finding the number of days between two dates
...er answer: $NumberDays = gregoriantojd($EndM,$EndD,$EndY) - gregoriantojd($StartM,$StartD,$StartY); (for an inclusive range). Unlike the Datetime Class, Gregorian to Julian is available in v4 up. Valid range is 4714 B.C. to 9999 A.D. Beware of the funky parameter order (like you need that warning...
AsyncTask threads never die
...n which i am running a AsyncTask to perform some operation and the service starts when the widget button is being pressed and when the task is finished it must stop the servie immediately , but sometimes AsyncTask wont die ,so can u tell me how do i stop it
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last day of month calculation
...may use any available LocalDate to LocalDateTime conversion like
lastDay.atStartOfDay(); //2015-11-30T00:00
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Detect when a window is resized using JavaScript ?
...pdates them in the page for you to see. Remember the event doesn't really start or end, it just "happens" when a resize occurs...there's nothing to say another one won't happen.
Edit: By comments it seems you want something like a "on-end" event, the solution you found does this, with a few exce...
Elegant way to search for UTF-8 files with BOM?
...ing purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
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