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Georgianna Johnston

Questions by Georgianna Johnston

Boolean logic/truth tables and outputs?

I am currently trying to replicate a way of converting truth tables into Boolean expressions in C#. I have been abl...

SQL keys, MUL vs PRI vs UNI?

What is the difference between MUL, PRI and UNI in MySQL? I'm working on a MySQL query, using the command: desc my...

Want to make Font Awesome icons clickable?

So I am new to web development and I am trying to link font awesome icons to my social profiles but am unsure of how...

Error in initializing ST-Link Device?

I am currently using the ST-Link debugger to program my STM32F3 Discovery Board. The IDE that I am using is Atollic ...

Is there any better way to do filefilter for many ext??

File files[] = rootDir.listFiles(new FileFilter() { public boolean accept(File file) { if (file.isDirect...

Atom Code Editor. Why is my code not in color??

I started using the Atom Code editor recently. During my last project, I installed a couple of tools to make my codi...

what is a auth_user_file.txt??

I was reading about a security vulnerability and found that a lot of sites are having this file crawled and appearin...

Failed to get the required ADT version number from the?

Yesterday I tried to install ADT plugin to Eclipse, but when I restarted it I found the next screen: When I click...

open cv error: (-215) scn == 3 || scn == 4 in function cvtColor?

I'm currently in Ubuntu 14.04, using python 2.7 and cv2. When I run this code: import numpy as np import cv2 im...

Tkinter: AttributeError: NoneType object has no attribute <attribute name>?

I've created this simple GUI: from tkinter import * root = Tk() def grabText(event): print(entryBox.get()) ...

TypeError: 'list' object is not callable while trying to access a list?

I am trying to run this code where I have a list of lists. I need to add to inner lists, but I get the error TypeE...

java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader?

Is there someone who had experience with this error? java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[...

Python Add Comma Into Number String?

Using Python v2, I have a value running through my program that puts out a number rounded to 2 decimal places at th...

Error when running mmap related function in python 2.6?

I tried to run the following code from http://docs.python.org/library/mmap.html import mmap # write a simple exam...