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How to do scanf for single char in C [duplicate]

In C: I'm trying to get char from the user with scanf and when I run it the program don't wait for the user to type anything... ...
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How to version control a record in a database

Let's say that I have a record in the database and that both admin and normal users can do updates. 11 Answers ...
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Python: How to create a unique file name?

I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea. ...
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How to count items in a Go map?

... Use len(m). From http://golang.org/ref/spec#Length_and_capacity len(s) string type string length in bytes [n]T, *[n]T array length (== n) []T slice length map[K]T map length (number of defined keys) c...
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Objective-C Split()?

...entsSeparatedByString:@":"]; where yourString contains @"one:two:three" and arrayOfComponents will contain @[@"one", @"two", @"three"] and you can access each with NSString *comp1 = arrayOfComponents[0]; (https://developer.apple.com/documentation/foundation/nsstring/1413214-componentsseparated...
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Open terminal here in Mac OS finder [closed]

Is there something similar to the "Open Command Window Here" Windows Powertoy for Mac OS? I've found a couple plugins through a google search but wanted to see what works best for developers out there. ...
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How can I write text on a HTML5 canvas element?

... Is there any way to get the font width and size so we can center it? (Dynamic content) – Oliver Dixon Dec 30 '14 at 2:20 ...
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How to localize ASP.NET MVC application?

... You can also take a look here ASP.NET MVC 2 Localization complete guide and ASP.NET MVC 2 Model Validation With Localization these entires will help you if you working with ASP.NET MVC 2. share | ...
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How can I show the name of branches in `git log`?

...ecent commit of the branch (the tip). All commits in the history are equal and anonymous. If you want named branches so that every commit carries the branch name, you can use Mercurial. – Sampo Smolander Jul 25 '13 at 7:11 ...
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List all commits (across all branches) for a given file

...or the gitk GUI. Can I mark both correct? – Saurabh Nanda Sep 20 '11 at 14:20 @Saurabh Nanda: Mark the one you think i...