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Cron job every three days
Is it possible to run a cronjob every three days? Or maybe 10 times/month.
11 Answers
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Position of least significant bit that is set
I am looking for an efficient way to determine the position of the least significant bit that is set in an integer, e.g. for 0x0FF0 it would be 4.
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How to avoid the “divide by zero” error in SQL?
I have this error message:
19 Answers
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
I'd like to prepare a little educational tool for SO which should help beginners (and intermediate) programmers to recognize and challenge their unwarranted assumptions in C, C++ and their platforms.
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HTML5 canvas ctx.fillText won't do line breaks?
I can't seem to be able to add text to a canvas if the text includes "\n". I mean, the line breaks do not show/work.
17 Ans...
How to automatically generate N “distinct” colors?
I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
How to create a UIView bounce animation?
I have the following CATransition for a UIView called finalScoreView , which makes it enter the screen from the top:
4 Ans...
Random float number generation
How do I generate random floats in C++?
14 Answers
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Divide a number by 3 without using *, /, +, -, % operators
How would you divide a number by 3 without using * , / , + , - , % , operators?
48 Answers
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What is “:-!!” in C code?
I bumped into this strange macro code in /usr/include/linux/kernel.h :
5 Answers
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