olc | A C implementation of Google 's Open Location Code

JavaScript strings are immutable, so there's no fancy shortcut for "overwrite a substring with another substring". You have to slice it up yourself.

Start with a "template", a string of the appropriate length with all zeroes, then splice it and your subject string appropriately.

MakeDecalFromSprite passes a uniqueSprite by value, which involves making a copy. But std::unique_ptr has a deleted copy constructor so when you try to call MakeDecalFromSprite you get a compilation error.

The solution is to pass sprite by const reference instead:

std::unique_ptr can't be copied, it doesn't have copy-constructor but has move constructor. You can use std::move to convert boid to rvalue then the move constructor could be used.

There are some missing items to be able to diagnose. You have to have some kind of coordinate system. Is it a right-handed coordinate system or a left-handed coordinate system. You determine this by taking your X/Y origin, and visualizing your hand over it with your thumb pointing towards you. When the X-axis rotates counter-clockwise, i.e. the way the fingers of your right hand curl when held as visualized, does the positive X-axis move towards the positive Y-axis (right-handed system) or does it move towards the negative Y-axis (left-handed system).

As an example, most algebra graphing is done with a right-handed system, but on the raw pixels of a monitor positive Y is down instead of up as typically seen in algebra.

Direction of motion should be independent of rotation angle -- unless you really want them coupled, which is not typically the case.

Using two different variables for direction-of-motion and angle-of-rotation will allow you to visually and mentally decouple the two and see better what is happening.

Now, typically -- think algebra -- angles for rotation are measured starting from "east" -- pointing to the right -- is zero degrees, "north" is 90 degrees -- pointing up -- and so on.

If you want to move "straight up" you are not moving in the zero-degree direction, but rather in the 90-degree direction. So if your rotation is zero degrees but movement is desired to be "straight up" like the triangle points, then you should be using a 90-degree offset for your movement versus your rotation.

If you decouple rotation and motion, this behavior is much easier to understand and observe.

That does not look like a proper rotation to me. A quick search for a 2D rotation matrix yields something more like this:

Turns out there is no way provided by the engine to do this, but there is a work-around provided to me by some awesome people. Its to set the make you own key char map and store them in a vector with appropriate values. Then iterate through that vector to see if any of those keys are pressed.

Always ask yourself - Is there an easier way to get my goals?

It is, you can simply use pandas to do it in two lines. In your case it do all the things for you.

1. Requesting the url
2. Searching for the table and scraping the contents
3. Push the results to an csv

I also try to go through your question and may answer to it.

Example

The simple answer to this question is that you replace ALL of the attributes, thus:

Your code is fine apart from one small issue: