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How to calculate the time interval between two time strings

I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
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Convert Data URI to File then append to FormData

...n HTML5 image uploader like the one on the Mozilla Hacks site, but that works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload. ...
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How to abort an interactive rebase if --abort doesn't work?

...ve got myself into a muddle via an interactive rebase, and I now wish to abort it. (i.e. go back to the point before I was dropped into interactive rebase mode, in my case via git pull --rebase .) The way to do this seems to be via git rebase --abort , but this doesn't work: ...
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How is an overloaded method chosen when a parameter is the literal null value?

...c overload, as per section 15.12.2.5 of the JLS. In particular: The informal intuition is that one method is more specific than another if any invocation handled by the first method could be passed on to the other one without a compile-time type error. In your second case, both methods are sti...
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AngularJS ng-class if-else expression

... Use nested inline if-then statements (Ternary Operators) <div ng-class=" ... ? 'class-1' : ( ... ? 'class-2' : 'class-3')"> for example : <div ng-class="apt.name.length >= 15 ? 'col-md-12' : (apt.name.length >= 10 ? 'col-md-6' : 'col-md-4')"> ... </di...
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Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS

... try using different sourcemaps on devtool try all of these to see if one works for inline source map: inline-source-map cheap-inline-source-map for other different configs: cheap-source-map cheap-module-source-map cheap-module-eval-source-map on webpack config: { ... devtool:'source-map...
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How do I jump out of a foreach loop in C#?

How do I break out of a foreach loop in C# if one of the elements meets the requirement? 11 Answers ...
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Is it valid to replace http:// with // in a ?

... A relative URL without a scheme (http: or https:) is valid, per RFC 3986: "Uniform Resource Identifier (URI): Generic Syntax", Section 4.2. If a client chokes on it, then it's the client's fault because they're not complying with the URI syntax specified in the R...
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How can I make a .NET Windows Forms application that only runs in the System Tray?

What do I need to do to make a Windows Forms application run in the System Tray? 9 Answers ...
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How to replace captured groups only?

I have HTML code before and after the string: 5 Answers 5 ...