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Show a number to two decimal places
What's the correct way to round a PHP string to two decimal places?
24 Answers
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Animate text change in UILabel
I'm setting a new text value to a UILabel . Currently, the new text appears just fine. However, I'd like to add some animation when the new text appears. I'm wondering what I can do to animate the appearance of the new text.
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What is an example of the simplest possible Socket.io example?
So, I have been trying to understand Socket.io lately, but I am not a supergreat programmer, and almost every example I can find on the web (believe me I have looked for hours and hours), has extra stuff that complicates things. A lot of the examples do a bunch of things that confuse me, or connect ...
Why is MATLAB so fast in matrix multiplication?
I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication with MATLAB, 2048x2048 and even bigger matrices are almost instantly multiplied.
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How to grab substring before a specified character jQuery or JavaScript
I am trying to extract everything before the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
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How to automatically generate a stacktrace when my program crashes
I am working on Linux with the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace.
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How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
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How do you simulate Mouse Click in C#?
How do you simulate Mouse clicks in C# winforms applications?
7 Answers
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What is the “assert” function?
I've been studying OpenCV tutorials and came across the assert function; what does it do?
9 Answers
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How to declare Return Types for Functions in TypeScript
I checked here https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md which is the TypeScript Language Specifications but I couldn't see one thing that how I can declare a return type of the function. I showed what I was expecting in the code below : greet(name:string) :string {}
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