Questions tagged [appliance]
The appliance tag has no usage guidance.
278 questions
0
votes
1
answer
594
views
Can I use the cs50 appliance for the course in 2017?
I've tried everything else to get cs50 ide offline, like docker, but nothing seems to be working. if I download the cs50 appliance from last year shoul I have any problems?
0
votes
1
answer
58
views
I have 2 questions. 1 - offline programming 2 - getting user input
One:
I have very poor internet connection and I want to know if there's a way to use cs50 IDE offline.
Two:
I fooled around some with the get_(user input) functions and found that you can do this ...
0
votes
1
answer
26
views
Editing two similar strings
It appears that if you define one string and store the value of the string in another string and you try to change one of the strings, you'll end up changing both of them(as in the image). My question ...
0
votes
2
answers
615
views
(CS50 mario.less)Please point out the mistake in my code.(pset 1)
I need your assistance with my code foe CS50 problem set 1, the mario(less comfortable).
I seem to have a few problems with the logic inside my code. Would you mind pointing out the mistakes? I would ...
- 3
1
vote
2
answers
141
views
Crack: Segfault on CS50 appliance/ IDE/ CS50.io but fine on my computer
I'm trying to make PSET2 crack, however in online IDE I got segmentation fault.
I tried same thing on my local computer and it works fine.
What's wrong? Pls ignore the fact that code is ugly etc. ...
- 31
0
votes
1
answer
117
views
How can I update the version of php on my cs50 appliance?
I have version 17-12 of cs50 appliance. It has the version 5.4.7 of php . I want to update the version of php to 7. How can I do this?
- 18
0
votes
1
answer
152
views
Serial Key for VM12 Not Given
i have completed my cs50 course but now wanted to get my hands wet in SDL, so for that in the seminars it was said to download cs50 appliance and to do that one would have to download VM worstation, I ...
- 386
1
vote
1
answer
185
views
Declaration Shadow for 'i', but i don't understand why! Feelin' pretty dumb
Slice of code:
#include <cs50.h>
void sort(int values[], int n)
{
for (int i = 0, i < n, i++)
Error:
bubble.c:6:21: error: declaration shadows a local variable
[-Werror,-...
0
votes
1
answer
68
views
Setting up clang on ubuntu pc
I am using CS50 appliance to do psets but since I have a laptop with ubuntu on it, I would like to set up a similar environment to the cs50 in my laptop, starting with clang, and the C libraries that ...
- 125
2
votes
1
answer
472
views
Best non-cloud9 IDE?
For those of you who have finished the course - do you continue to use the CS50 IDE?
I would like to find an IDE that doesn't depend on the CS50 libraries and packages etc. and would like to find ...
- 47
0
votes
1
answer
54
views
problems with initials.c using strgcmp()
I want this code to skip through a name like " bob dylan", ignore the spaces before "bob" and print "B".
It is not printing anything for some reason.
#include <stdio.h>
#include <cs50.h&...
0
votes
1
answer
59
views
problems with clickiing in cs50 ide
I went to cs50 ide to work on some code today and when I opened cs50 ide, my whole code was highlighted and it was unresponsive when I clicked on it. I figured out that I am only able to click on the ...
- 44
0
votes
1
answer
106
views
Problem with IDE cloud9
I updated IDE and start working on problem set 8, but the application appears to be blocking me from entering the application i am working on and in the sql database. Particularly, in the instructions ...
- 16
3
votes
2
answers
2k
views
Issues with the CS50 IDE
My CS50IDE workspace was fine this morning, but it is not having issues. In my upper right nav I am now missing the link to my localhost (i.e. https://ide50-myusername.cs50.io), as well as the info ...
- 33
0
votes
2
answers
1k
views
Handles lack of argv[1]
Okay this is driving me nuts.. i have looked at a bunch of these questions which are the exact same.... but none of the answers help.... Basically in my code this is how it goes:
`
if(argc != 2 || k ...
0
votes
1
answer
183
views
what is wrong with scanf in the program written bellow, Why it is not asking for value when input is not an integer?
#include<stdio.h>
#include<stdlib.h>
//#include<cs50.h>
int main(void){
int minutes;
printf("minutes:");
int c=scanf("%d",&minutes);//if input here is character then second ...
- 11
0
votes
1
answer
394
views
pset5 all words misspelled
I tried so many times and fixed somehow based on reply. This is a little embarrassing but I still cannot figure it out. There must be some problems in load and check.
#include "dictionary.h"
...
- 5
0
votes
2
answers
363
views
Too much misspelled in pset5 dictionary
Through my code, I got 19190 misspelled. It seems I have a problem in check though. Anyone who can find any problem here??
dictionary.h
/**
* dictionary.h
*
* Computer Science 50
* Problem Set ...
- 5
1
vote
2
answers
260
views
Mess of Error Messages From Clang
I just started pset3 and when I try to compile my helpers function I get this crazy mess of error messages from clang. This is my code
/**
* helpers.c
*
* Computer ...
0
votes
1
answer
357
views
I can't access cs50.io after I log in with my Edx account
Since yesterday, I'm trying to log in into https://cs50.io but, once I connect my edu account, I get this page:
I tried clicking on the links up there but it got me nowhere. Also, the phrase on the ...
0
votes
1
answer
126
views
Can I recover my old pset code from cs50 Appliance using cs50 IDE?
How can I do this now that my VM Ware trial period has expired?
- 5
0
votes
1
answer
446
views
"Error: control may reach end of non-void function". What causes this error? [duplicate]
I'm working with code (that I am not the primary author of) and trying to get it to run.
It tests to see if a number is prime or not.
It gives me the error error: "control may reach end of non-void ...
- 1
0
votes
2
answers
94
views
I want to unload cs50 appliance from my machine
Now I'm done with CS50, I'd like to unload the Appliance, but have no idea how to.
I can clear the VM easily enough, but suspect that may leave Gb of appliance clutter on my disc. Oddly, even Google ...
0
votes
1
answer
22
views
CS50 Appliance Boots directly into Terminal
The cs50 appliance lagged so much that I wasn't able to do anything. I then force shut it down and when I restarted the appliance it just now boots directly into the terminal. How do I get the GUI ...
0
votes
1
answer
59
views
PSET7 Terminal issue
I've finished pset7, however when I try to dump in the sql file I'm not able to type the password when prompted in the terminal, as in I can't type anything at all.
- 97
0
votes
2
answers
33
views
signing in with google plus
I signed up in EDX with my google plus account but when I want to download Cs50 appliance it wants my email and password even though I'm already signed in. It also doesn't accept my google login. what ...
1
vote
1
answer
29
views
DropBox Lost Files
I need to find my files because everything in my dropbox was gone. I don't know how to fix it or get them back. I looked to see if some of them are graded but they are not. I don't know how it ...
- 10
0
votes
1
answer
161
views
pset 2, vigenere, created cipher function, but had to subtract 19?
I have been banging my head as to why when I run vigenere with bacon argument, Meet me at the.....etc, never turns out the same as on the CS50 page, but always the same encryption values on my side. ...
- 3
2
votes
2
answers
1k
views
how to close port 8080?
~cs50/pset6/server public and ./server public in my own directory worked fine for a long time but now when I try to run it I get the message "Port 8080 already in use, stopping server."
How can I ...
- 21
0
votes
0
answers
418
views
telnet error (was working fine) now unable to resolve name/service not known
I had been happily testing my server.c code using telnet, resolved several issues and was tackling the last error when telnet stopped working. I entered the same command as I had done 50 times before, ...
- 47
1
vote
2
answers
81
views
cs50 appliance won't compile
The CS50 appliance has been working fine, but it seems all of a sudden whenever I try compiling a program I get this error:
bashL ./: Is a directory
I can't understand why this is not working anymore!...
0
votes
1
answer
24
views
changes to code in appliance not being applied
I am working on pset5 dictionary.c, I had it working and now it is not. I have been tinkering with the code but every time I save dictionary.c and then execute make dictionary.c, the response is "...
- 47
0
votes
2
answers
93
views
Upgraded VMWare workstation to latest version, broke cut and paste, screen resizing
VMware popped up with an upgrade screen to the latest ver.11 version for workstation. Foolishly, I upgraded, after which I was no longer able to cut and paste from Windows 7. It also disrupted the vm ...
- 69.3k
0
votes
1
answer
1k
views
Want to know how to write C outside the appliance
For experimental reasons I want to use the editor Atom to write C. To do this I need the libraries and a compiler. Could someone walk me through how to do this? I checked the appliance guide to try ...
1
vote
1
answer
26
views
I'm running linux and not using the appliance. Is there anywhere I can download the cs50 directory with the staff implementations?
Is the directory uploaded somewhere online? I'm running Linux Mint so I'm not using the appliance.
- 53
0
votes
1
answer
71
views
Appliance running out of memory
Appliance have ran out of memory and cannot turn on. So when I can turn on my appliance only a black screen appears. I've only allocated 16GB for the appliance and I think this is occurring because I'...
- 11
0
votes
1
answer
121
views
Appliance crash
My appliance seems to crash (screen goes black and prompts password for login) whenever I run breakout from pset3. I have no problem compiling and running the program but after a few seconds the ...
- 5
2
votes
2
answers
993
views
Attempting to access https://CS50.io IDE
I tried accessing the site - https://cs50.io
Upon entering my edX credentials I'm able to see the IDE, but receive the error -
Failed to write to 'project.settings'. Access denied acccessing this ...
- 153
0
votes
1
answer
44
views
Can't find staff implementation
When I try to run the staff implementation it says no such file exists. I have re-run the update50 several times. I am now on version 2014-29 (lower right corner of screen). When I am at jharvard@...
- 7
0
votes
1
answer
54
views
virtual machine doesn't power on
i just installed cs50 appliance but when i tried to power on the virtual machine this message appeared
anyone can help me please?
- 1
0
votes
1
answer
167
views
How do I enlarge my appliance?
When I make the appliance window full screen or make it bigger, it ether shrinks the window back, or has a black "buffer" area around the appliance.
I am using Windows 7.
I am using the 2014 ...
0
votes
1
answer
57
views
CS50 appliance : issues with keyboard
When I'm on CS50 appliance, my azerty keyboard suddenly switches to querty keyboard. So when I presse a (for ex.) it prints q... and so on !
I don't know why, and don't know how to fix it.
I tried ...
- 1
0
votes
1
answer
22
views
Where to get the latest appliance?
I've got a appliance, downloading from the current edX course website link... but, after pset3 i did realized that this appliance isn't the latest. I even made an update, but doesn't get update how we ...
- 129
0
votes
1
answer
182
views
hello.html ERR_ADDRESS_UNREACHABLE
I'm not able to reach the hosted html files outside of the appliance.
Within the appliance everything works great. However, as soon as I try from chrome in windows I immediately get an ...
1
vote
3
answers
109
views
Could anyone help me in fixing this error! please
Could not start the machine CS50 Appliance 2014_1 because the following physical network interfaces were not found:
VirtualBox Host-Only Ethernet Adapter (adapter 2)
You can either change the ...
- 11
0
votes
2
answers
254
views
How do I copy and paste to and from the appliance?
How do I copy and paste to and from the appliance ie: from my computer(host) to the appliance(guest) and visa versa?
I looked at Appliance - Host Copy and paste problems, but I could not find "Shared ...
0
votes
1
answer
46
views
Mouse Problems within the appliance
The mouse has been difficult within the cs50 Appliance. Often, the mouse will not really click on something and move to a different location on the screen. How am I able to "re-set" this and be able ...
1
vote
1
answer
71
views
can't access pset7 outside appliance: undefined index: HTTP_HOST
I'm having trouble accessing my pset7 website outside of the appliance. I completed pset6 and can access content from it just fine. I'm using windows 7 and have vmware2014. Here is the error I keep ...
- 11
0
votes
0
answers
29
views
gedit doesn't have command line panel
I turned on the CS50 Appliance only to find the side panel doesn't open by default and, more importantly, the command line panel cannot be opened (the option on the "View" menu is greyed out). ...
0
votes
1
answer
29
views
Am I gonna lose my files if I use the new appliance instead of the old one?
I cannot continue week 4 because of this error. Now, I know I have to download the newest version of the appliance, but I would have a question to ask.
Am I going to lose the files I made earlier? ...
- 33