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Shanny Sawayn

Questions by Shanny Sawayn

HTML5 Canvas + JavaScript wireframe sphere transformation issue?

I have written some JS code to plot a 3D wireframe sphere into a HTML5 canvas. I started from this post and improve...

thymeleaf errors?

Here is my template sample: <tr th:with="negNumber = ${myNum < 0}"> ... </tr> And I got the follow...

What do numbers using 0x notation mean??

What does a 0x prefix on a number mean? const int shared_segment_size = 0x6400; It's from a C program. I can't re...

Creating a nested list from an existing list?

I am having a list named "V_List" which I am needed to build up a nested list. V_List = [145, 554, 784, 598, 63...

nodejs module.js:340 error: cannot find module?

I installed nodejs in C:\Program Files (x86)\nodejs then I created a .js file and saved it in my desktop just to ou...

na.strings = c() in R?

I am new to R and started exploring na.strings = c() function along with read.csv. I have read that using this opti...

The mysqli extension is missing. Please check your PHP configuration?

I have looked through all of the forums that I could find relevant to this question and my problem yet nothing works...

How to change background color of react native button?

I am trying to change the background color of my button but nothing seems to work, I tried the raised property, mayb...

For vs. while in C programming??

There are three loops in C: for, while, and do-while. What's the difference between them? For example, it seems nea...

RuntimeWarning: invalid value encountered in divide?

I have to make a program using Euler's method for the "ball in a spring" model from pylab import* from math import*...

How to print spaces in Python??

In C++, \n is used, but what do I use in Python? I don't want to have to use: print (" "). This doesn't seem very...

Apache Tomcat 8 not working. Throws HTTP Status 500 - java.lang.ClassNotFoundException: org.apache.jsp.index_jsp?

I am using Apache Tomcat 8 and I've JDK 1.7. Tomcat starts running after I run "startup.bat". But when I try to ru...

whats the meaning of curl “-s” and “-m”?

I have found following in crontab * * * * * sleep 5; curl -s -m 10 http://url > /dev/null 2>&1 * * * * * ...

Remove useless zero digits from decimals in PHP?

I'm trying to find a fast way to remove zero decimals from number values like this: echo cleanNumber('125.00'); // ...