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Android; Check if file exists without creating a new one

...ating a new File, it's just creating an object reference for that file and testing if it exists or not. File file = new File(filePath); if(file.exists()) //do something share | improve this a...
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How do I force a UITextView to scroll to the top every time I change the text?

...ge with location:0, length:0, worked. My text view was not editable, and I tested both selectable and not selectable (neither setting affected the result). Here's a Swift example: myTextView.text = "Text that is long enough to scroll" myTextView.scrollRangeToVisible(NSRange(location:0, length:0)) ...
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How to get back to the latest commit after checking out a previous commit?

I sometimes check out some previous version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer sho...
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Convert System.Drawing.Color to RGB and Hex Value

... Certainly should do, I tested that code specifically and got #"FF0000". What are you getting? You might also like to refer to the MSDN reference: msdn.microsoft.com/en-us/library/… – Troy Hunt Mar 7 '10 at 7...
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Disable Visual Studio code formatting in Razor

...ften, and if you forgot untangling the mess once your code was written and tested was a huge pain. I feel Microsoft could do alot to help users configure this as well as make it more accessible. share | ...
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Windows Explorer “Command Prompt Here” [closed]

... As a very quick solution I can give you this. I tested this on Windows 8.1 1- Find File and Right Click on Command Prompt on File Explorer and then add command prompt to your Quick Access Toolbar: 2- After adding it you can access the folder from here: That will ope...
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Rails 3.1 and Image Assets

... to follow. I think that's where image_tag will look for it, but I haven't tested that yet. Also, during the RailsConf keynote, I remember D2h saying the the public folder should not have much in it anymore, mostly just error pages and a favicon. ...
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apt-get for Cygwin?

...ntax error near unexpected token ||' 'usr/local/bin/apt-cyg: line 27: || test "-$GAWK-" = "--" – Shahjahan Khan Jan 3 '14 at 11:01 ...
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How do I make UITableViewCell's ImageView a fixed size even when the image is smaller

...geContext(); UIGraphicsEndImageContext(); Or you can use another(not tested) approach suggested by @Tommy: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { [...] CGSize itemSize = CGSizeMake(40, 40); UIGraphicsBeginImageCon...
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Stacking Divs from Bottom to Top

... @nilbus would you care to elaborate? My previous tests and even the attached example most certainly seem to pull the down to the bottom of the parent element. – Nils Kaspersson Feb 25 '14 at 9:12 ...