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How to delete a file after checking whether it exists

How can I delete a file in C# e.g. C:\test.txt , although apply the same kind of method like in batch files e.g. 10 Answer...
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How can I get the root domain URI in ASP.NET?

... HttpContext.Current.Request.Url can get you all the info on the URL. And can break down the url into its fragments. share | improve this answer | f...
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convert String to DateTime

... DateTime.strptime allows you to specify the format and convert a String to a DateTime. share | improve this answer | follow ...
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AddRange to a Collection

... to a collection. He has a class that inherits from Collection<T> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-friendly fashion? (Note the constraint about th...
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Django South - table already exists

...th and the first, initial migration created in other enviorment duplicates what you already have in your db. The solution is much easier here: Fake the first migration: ./manage migrate myapp 0001 --fake Roll with the rest of migrations: ./manage migrate myapp ...
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curl POST format for CURLOPT_POSTFIELDS

... In case you are sending a string, urlencode() it. Otherwise if array, it should be key=>value paired and the Content-type header is automatically set to multipart/form-data. Also, you don't have to create extra functions to build the query for your arrays, you already hav...
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Difference between and

...h XML or by package scanning). <context:component-scan> can also do what <context:annotation-config> does but <context:component-scan> also scans packages to find and register beans within the application context. I'll use some examples to show the differences/similarities. Let...
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How to disable mouseout events triggered by child elements?

Let me describe the problem in details: 9 Answers 9 ...
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How to merge the current branch into another branch

...s doesn't really do a merge... It will work if dev is ahead of master, but what if it's not? – Thomas Levesque Feb 22 '18 at 8:52 add a comment  |  ...
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How do I change the value of a global variable inside of a function

... a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this? ...