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c# - Usage of Server Side Controls in MVC Frame work -

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i using asp.net 4.0 , mvc 2.0 web application. project requiremrnt have use server side control in application not possibl in noraml case. ideally want use adrotator control , datalist control. i saw few samples , references in codepleax mvc controllib howwver found less useful. can tell how utilize theese controls in asp.net application along mvc. note: please provide functionalities related adrotator , datalist controls not equivalent functionalities thanks in advace. mvc pages not use normal .net solution makes use of normal .net components impossible. a normal .net page use event driven solution call different methods service side mvc use actions , view completly different way handle things. also, mvc not use viewstate normal .net controlls require. found article discussing mixing of normal .net , mvc.
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Check if a file is available (not used by another process) in Python -

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i'm looking code check if file in file system available (not used process). how in python? thanks!

how i'll use it: cylically check if file available , when (processes don't need anymore) delete it.

while true:     try:         os.remove(yourfilename) # try remove directly     except oserror e:         if e.errno == errno.enoent: # file doesn't exist             break         time.sleep(5)     else:         break

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