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Wilford Stanton

Questions by Wilford Stanton

Two semi transparent rectangle that overlap without changing the common area color?

I have a lot of CALayer, each with a semitransparent green rectangle inside. When I add all these layers onto a view...

What does the “-U” option stand for in pip install -U?

Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U ...

Finding the intersect location of two Rays?

I have two rays. Each ray has a start location vector (Vector3D) and a direction vector (Vector3D), but continue on ...

Manifest Merger failed with multiple errors in Android Studio?

So, I am a beginner into Android and Java. I just began learning. While I was experimenting with Intent today, I inc...

designing flexible page layout?

first see the image prepared in paint. I want to design a flexible page which will have this type of four divisio...

c3 getting bar length and width or x/y coordinates?

I was looking into a using c3 as a rendering library. Explorer the API, I found a requirement that might not be doab...

which is more efficent among ets and mnesia?

ets:select vs mnesia:select Which is better to use.And also in case of insertion and deletion which one of these two...

How to uninstall/upgrade Angular CLI??

When I try to create a new project with Angular CLI, with: ng n app I get this error: fs.js:640 return bind...

How to update parent's state in React??

My structure looks as follows: Component 1 - |- Component 2 - - |- Component 4 - - - |- Component 5 C...

Search text file for matching integer?

I'm struggling to get my program to read through a text file and find a match for the number num with the wrkID, so ...

Google Foobar: Bringing a Gun to a Guard Fight?

My Situation I've been working on this challenge on and off for about 9 days now, and I'm out of ideas. So far my so...

Cannot read property 'addEventListener' of null?

I have to use vanilla JavaScript for a project. I have a few functions, one of which is a button that opens a menu....

How to detect symbols on a image and save it??

I've created simple neural network which can recognize separate digits and characters. I want the neural network to ...

How to Read from a Text File, Character by Character in C++?

I was wondering if someone could help me figure out how to read from a text file in C++, character by character. Tha...