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Winston Rau

Questions by Winston Rau

How can I de-install a Perl module installed via `cpan`??

I am using Perl running in user space (not installed via root) and installing modules via the command-line cpan. I w...

Plotting a 2d Array with mplot3d?

I have a 2D numpy array and I want to plot it in 3D. I heard about mplot3d but I cant get to work properly Here's a...

AppStore - App status is ready for sale, but not in app store?

Status of app ready for sale still 9 June.. Like in there https://discussions.apple.com/message/8147141 App link :...

Is there a “between” function in C#??

Google doesn't understand that "between" is the name of the function I'm looking for and returns nothing relevant. ...

Linux grep return code?

I'm struggling to see why the following is returning a code of 1. echo 'Total' | grep -c No 0 So "No" doesn't ex...

How to change the app display name build with flutter??

I have created the app using flutter create testapp. Now, I want to change the App name from "testapp" to "My Trips ...

How do you iterate through a pointer??

For example: int *start; start = (int*)malloc(40); If I wanted to iterate through all 40 bytes, how would I do s...

How to enable javascript into webView?

In android if I use javascript into webView it gives Force Close. Is there any possibilities for using java script i...

Pandas “Can only compare identically-labeled DataFrame objects” error?

I'm using Pandas to compare the outputs of two files loaded into two data frames (uat, prod): ... uat = uat[['Custo...

What is the difference between C and embedded C??

Can any body tell me the differences between them? ...

How do I test a website using XAMPP??

This is a fairly general query as I'm very confused about how to do this. I want to use the apache server which I ha...

What is WEB-INF used for in a Java EE web application??

I'm working on a Java EE web application with the following source code structure: src/main/java &l...

Sort a list by multiple attributes??

I have a list of lists: [[12, 'tall', 'blue', 1], [2, 'short', 'red', 9], [4, 'tall', 'blue', 13]] If I wanted to...

What does the fail keyword do in Ruby??

I am learning Ruby and encountered the fail keyword. What does it mean? if password.length < 8 fail "Password...

Python: How can I generate a bar graph from 2D array?

I have a 2D array (3x3), and I want to generate a bar graph from each row vector that contains 3 bar charts like thi...