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How do I prevent the iPhone screen from dimming or turning off while my application is running?

I'm working on an app that requires no user input, but I don't want the iPhone to enter the power saving mode. 5 Answers ...
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How to run crontab job every week on Sunday

...w to run a crontab job every week on Sunday. I think the following should work, but I'm not sure if I understand correctly. Is the following correct? ...
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Check string for palindrome

A palindrome is a word, phrase, number or other sequence of units that can be read the same way in either direction. 39 A...
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How to save MailMessage object to disk as *.eml or *.msg file

... For simplicity, I'll just quote an explanation from a Connect item: You can actually configure the SmtpClient to send emails to the file system instead of the network. You can do this programmatically using the fol...
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sed or awk: delete n lines following a pattern

How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline. ...
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Polymorphism vs Overriding vs Overloading

... The clearest way to express polymorphism is via an abstract base class (or interface) public abstract class Human{ ... public abstract void goPee(); } This class is abstract because the goPee() method is not definable for Humans. It is only definab...
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How to loop through a directory recursively to delete files with certain extensions

I need to loop through a directory recursively and remove all files with extension .pdf and .doc . I'm managing to loop through a directory recursively but not managing to filter the files with the above mentioned file extensions. ...
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how do I initialize a float to its max/min value?

How do I hard code an absolute maximum or minimum value for a float or double? I want to search out the max/min of an array by simply iterating through and catching the largest. ...
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When to use NSInteger vs. int

When should I be using NSInteger vs. int when developing for iOS? I see in the Apple sample code they use NSInteger (or NSUInteger ) when passing a value as an argument to a function or returning a value from a function. ...
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What are the main disadvantages of Java Server Faces 2.0?

...ient side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to mind. JSF in its current release still needs to get rid of the negative image it gained during the early ages, during which there were several serious disadvantag...