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In C#, can a class inherit from another class and an interface?
I want to know if a class can inherit from a class and an interface.
The example code below doesn't work but I think it conveys what I want to do.
The reason that I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interfa...
Python syntax for “if a or b or c but not all of them”
...tain equivalent:
if (a or b or c) and not (a and b and c):
My advice is to use whichever form is more significant to you and to other programmers. The first means "there is something false, but also something true", the second "There is something true, but not everything". If I were to optimize o...
Android - Camera preview is sideways
I am using a Preview to display what the camera see's on the screen.
8 Answers
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Getting image dimensions without reading the entire file
Is there a cheap way to get the dimensions of an image (jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something...
How can I get the full/absolute URL (with domain) in Django?
...n Django without the Sites module ? That's just silly... I shouldn't need to query my DB to snag the URL!
22 Answers
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Floating point vs integer calculations on modern hardware
..."it depends" answer...
From my experience, there are many, many variables to performance...especially between integer & floating point math. It varies strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. ...
What's the simplest way to list conflicted files in Git?
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This continues to show the file even after resolving the conflict. git diff --check works better.
– user3812377
Aug 20 '19 at 14:32
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Javascript - Open a given URL in a new tab by clicking a button
I would like to have a button that redirects to a given URL and opens in a new tab. How can this be done?
13 Answers
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warning: [options] bootstrap class path not set in conjunction with -source 1.5
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From a blog post:
To use javac from JDK N to cross-compiler to an older platform version, the correct practice is to:
Use the older -source setting.
Set the bootclasspath to compile against the rt.jar (or equivalent) for the older pl...
How to represent multiple conditions in a shell if statement?
I want to represent multiple conditions like this:
8 Answers
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