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How to Generate unique file names in C#

... exists), I fall back to GUIDs. Update: Recently, I've also use DateTime.Now.Ticks instead of GUIDs: var myUniqueFileName = string.Format(@"{0}.txt", DateTime.Now.Ticks); or var myUniqueFileName = $@"{DateTime.Now.Ticks}.txt"; The benefit to me is that this generates a shorter and "nicer loo...
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The import android.support cannot be resolved

...ort Library has been added to your dependencies. Rebuild your project and now everything should work. Further reading regarding this Question: Support Library - Android Dev Recent Support Library Revisions Support Library Packages What is an Android Support Library? How Android Support Library ...
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Undo a merge by pull request?

Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits ...
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How to get a microtime in Node.js?

... Date.now() please. – jAndy Jul 30 '12 at 16:35 50 ...
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What are 'get' and 'set' in Swift?

...('error: cannot have family with less than 2 members') } } } } Now we can access the members variable as before, by typing instanceOfFamily.members, and thanks to the setter function, we can also set it's value as before, by typing, for example: instanceOfFamily.members = 3. What has cha...
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Offset a background image from the right using CSS

...10px from the right */ background-position: right 10px top; As far as I know this is not supported in IE8. In latest Chrome/Firefox it works fine. See Can I use for details on the supported browsers. Used source: http://tanalin.com/en/blog/2011/09/css3-background-position/ Update: This feature...
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How can I get the last day of the month in C#? [duplicate]

... as an Extension method on dateTime class which you can invoke on DateTime.Now. For ex. DateTime.Now.LastDayOfMonth(); – Unmesh Kondolikar Jan 11 '11 at 7:25 1 ...
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How can I check for “undefined” in JavaScript? [duplicate]

...n window; // true "theFoo" in window; // false If you are interested in knowing whether the variable hasn't been declared or has the value undefined, then use the typeof operator, which is guaranteed to return a string: if (typeof myVar !== 'undefined') Direct comparisons against undefined are ...
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Reset Entity-Framework Migrations

...ked up my migrations, I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic. ...
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Writing unit tests in Python: How do I start? [closed]

I completed my first proper project in Python and now my task is to write tests for it. 7 Answers ...