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File being used by another process after using File.Create()

I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it: ...
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How to debug Ruby scripts [closed]

...opied the following Ruby code from the Internet and made a few changes but it doesn't work. 17 Answers ...
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TCP vs UDP on video stream

...eo and UDP for live video, but I thought about this on my way home, and is it necessarily better to use UDP for streaming live video? I mean, if you have the bandwidth for it, and say you are streaming a soccer match, or concert for that matter, do you really need to use UDP? ...
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MySQL pagination without double-querying?

...y to get the number of results from a MySQL query, and at the same time limit the results. 9 Answers ...
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Is there a list of Pytz Timezones?

...ble values for the timezone argument in the Python library pytz. How to do it? 7 Answers ...
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Move the mouse pointer to a specific position?

... So, I know this is an old topic, but I'll first say it isn't possible. The closest thing currently is locking the mouse to a single position, and tracking change in its x and y. This concept has been adopted by - it looks like - Chrome and Firefox. It's managed by what's calle...
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Resizing UITableView to fit content

...ave a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height. ...
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Default string initialization: NULL or Empty? [closed]

I have always initialized my strings to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

... What is "variable scope"? Variables have a limited "scope", or "places from which they are accessible". Just because you wrote $foo = 'bar'; once somewhere in your application doesn't mean you can refer to $foo from everywhere else inside the application. The variable $f...
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Reset C int array to zero : the fastest way?

Assuming that we have a T myarray[100] with T = int, unsigned int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...