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Array extension to remove object by value
... implement this using extensions.
The reason you get the error 'T' is not convertible to 'T' is that you are actually defining a new T in your method that is not related at all to the original T. If you wanted to use T in your method, you can do so without specifying it on your method.
The reason ...
How to open, read, and write from serial port in C?
...al port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
...
Check if a number has a decimal place/is a whole number
...s whether a number is whole or not. If your input is a string, you need to convert it into a number first e.g. via parseFloat(), of course.
– le_m
Apr 22 '19 at 11:43
add a co...
How to create a fixed-size array of objects
...de?](repeatElement(nil,
count: 64))
Converting an array of optionals into an array of objects (collapsing [SKSpriteNode?] into [SKSpriteNode]):
let flatSprites = optionalSprites.flatMap { $0 }
The count of the resulting flatSprites depends on the count of ob...
How can I determine whether a 2D Point is within a Polygon?
...float v2y2
) {
float d1, d2;
float a1, a2, b1, b2, c1, c2;
// Convert vector 1 to a line (line 1) of infinite length.
// We want the line in linear equation standard form: A*x + B*y + C = 0
// See: http://en.wikipedia.org/wiki/Linear_equation
a1 = v1y2 - v1y1;
b1 = v1x1 ...
Why use static_cast(x) instead of (int)x?
... = static_cast<CMyOtherStuff*>(pSomething); // Compiler error: Can't convert
pOther = (CMyOtherStuff*)(pSomething); // No compiler error.
// Same as reinterpret_cast<>
// and i...
What are bitwise operators?
....
Take expr1 && expr2 for example.
Returns expr1 if it can be converted
to false; otherwise, returns expr2.
Thus, when used with Boolean values,
&& returns true if both operands are
true; otherwise, returns false.
a = "Cat" && "Dog" // t && t return...
Initialize a byte array to a certain value, other than the default null? [duplicate]
...he square brackets [] to declare an array. Also, your constants need to be convertible to byte, which numbers (ints) such as 4, 3, and 2 are not. So it has to be: new byte[] { (byte) 4, (byte) 3, (byte) 2}, or the hex syntax.
– Oliver
Dec 1 '14 at 21:44
...
How to generate a random number between a and b in Ruby?
...
http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].sample
Array#sample
Standard in Ruby 1.8.7+.
Note: was named #choice in 1.8.7 and renamed in later versions.
But anyway...
Left padding a String with Zeros [duplicate]
...tage is that if what you're padding is already an int, then you'll have to convert it to a String and back, which is undesirable.
So, if you know for sure that it's an int, khachik's answer works great. If not, then this is a possible strategy.
...