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How to perform Callbacks in Objective-C
...re usually used to show Downloading many images from server asynchronously etc.
NSNotifications : NotificationCenter is one of features of Objective C which used to notify many receiptants at time when event occur.
Blocks : Blocks are more commonly used in Objective C programming. It is great featur...
How to save MailMessage object to disk as *.eml or *.msg file
... I've found that I also needed to add the <network host="...", etc. in addition to what Ryan provided.
– Steven Rogers
Jul 7 '11 at 20:42
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Best Practice for Exception Handling in a Windows Forms Application?
...ect. Typical checks include, argument not null, argument in expected range etc.
When rethrowing preserve stack trace - This simply translates to using throw when rethrowing instead of throw new Exception(). Alternatively if you feel that you can add more information then wrap the original exception...
NSInvocation for Dummies?
...So your first argument gets placed at index 2, second argument at index 3, etc...
– Dave
Jul 11 '10 at 20:47
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How are software license keys generated?
...S to both verify your key and obtain the product-type (Home, Professional, etc.) at the same time. Additionally, it requires online activation.
The full algorithm is rather complex, but outlined nicely in this (completely legal!) paper, published in Germany.
Of course, no matter what you do, unles...
How to have no pagebreak after \include in LaTeX
...arts, if you want the bibliography to be on on the same page as your text, etc.
– John
Aug 28 '12 at 5:15
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...pt call vs. python import. Yes, I will in fact use export PATH=$PATH:/home/etc
– Randy Skretka
Nov 11 '13 at 23:35
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What's the difference between text/xml vs application/xml for webservice response
...e. We use files that are mostly readable but do have base64 encoded nodes, etc..
– Joe Phillips
Feb 21 '13 at 16:11
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android button selector
...pressed state? (with all the components above such as round color, stroke, etc). Many thanks!
– pearmak
Dec 24 '12 at 17:13
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How to get the text node of an element?
... within an element node that you want to target (the first, second, third, etc...).
– Anthony Rutledge
May 15 '18 at 8:49
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