4
votes
how to close port 8080?
As far as i can tell you can either use another port than 8080 or better stop the server using that port. The command for the latter is:
apache50 stop
This is somehow not written in the pset6 ...
- 41
4
votes
Accepted
Attempting to access https://CS50.io IDE
I had the same problem.
I solved the "failed to write" error by issuing this command in the terminal in the lower part of the window:
sudo chown ubuntu ./.c9
After that, i did refresh the page and ...
- 131
4
votes
"Error while powering on: Internal error." when starting the appliance in VMware Player
right click on the App. and Run as admin.
OR from run type services.msc
and run VMware Authorization Service
3
votes
Attempting to access https://CS50.io IDE
I also emailed Dan A. @ CS50 - apparently Cloud9 was having issues that particular evening with enviroment provisioning. I used the following steps to create a new workspace -
Visit: https://cs50.io/...
- 153
3
votes
Pset8 Mashup Map Not loading
USE A DIFFERENT BROWSER.
I tried using Mozilla instead of chrome to load the page, and it worked wonders for me!
- 31
3
votes
Accepted
Issues with the CS50 IDE
There is definitely a problem with permissions for apache50 in version 59 of ide50. Hopefully, the CS50 folks will fix this in the next version. Meanwhile, the apache50 log files are accessible at /...
- 3,050
2
votes
Pset8 Mashup Map Not loading
I also had this issue. The Date/Time adjustment didn't help but an Update50 and a reboot sorted it for me.
- 41
2
votes
how to close port 8080?
that means that some other process is already using the port (likely to be another instance of your server). terminating/killing that process should make the port available to use.
if this process ...
- 17.7k
2
votes
Accepted
Mess of Error Messages From Clang
$ make helpers
Part of the lesson on this pset is how to build an executable from multiple source code files - in this case, find.c and helpers.c, along with the *.h files. The file Makefile ...
- 68.4k
2
votes
Accepted
signing in with google plus
Unlike the EDX site, this kind of login does not accept Google login. You can still use your existing EDX account, but you must add a password.
To create a password for your existing EDX account, go ...
- 20.9k
2
votes
problems with clickiing in cs50 ide
Ditto! at 11:48 a.m. PST California. This found on cs50 reddit: https://www.reddit.com/r/cs50/comments/4xulet/cs50_ide_updates_in_progress/?ref=share&ref_source=link
- 37
2
votes
Accepted
Best non-cloud9 IDE?
Mac, eh? Xcode and Sublime Text are pretty legit. If that's what you're used to, stick with it.
If you want a setup similar to the CS50 IDE, it's easy to run Ubuntu Linux in a VM on your Mac.
For ...
- 3,050
2
votes
Crack: Segfault on CS50 appliance/ IDE/ CS50.io but fine on my computer
if(!offset) offset = 0; does nothing. 0 is the value of false, while anything different could be interpreted as true in many contexts (even if it does not equal true, which is 1).
With word[offset=='...
- 20.9k
2
votes
Crack: Segfault on CS50 appliance/ IDE/ CS50.io but fine on my computer
Ok, I've found answer to c segmentation fault on tail recursion:
changing clang option -o from 0 to 3 fixes this problem as this enables better optimization:
clang -fsanitize=integer -fsanitize=...
- 31
1
vote
what is wrong with scanf in the program written bellow, Why it is not asking for value when input is not an integer?
Wow! Your program has a poisoned logic, I think what you want is to imitate the cs50.h library, however given the pset in which you find yourself is not easy.
Let us begin:
scanf requires you to ...
- 5,169
1
vote
pset5 all words misspelled
Is the phrase "Start load" being printed out when you run the program? If not, that should tell you something big.
- 68.4k
1
vote
Accepted
Too much misspelled in pset5 dictionary
There are a number of problems. This will point you in the right direction, but you get to have the fun of implementing the fixes. ;-)
First, load() isn't creating a dictionary. Put the following ...
- 68.4k
1
vote
Too much misspelled in pset5 dictionary
I think the word you are loading in memory and and reading for check are not equal. There is probably a difference of deliminator or next line character between both. I had the same issue when i was ...
1
vote
Mess of Error Messages From Clang
You do not need to make the helpers.c file because it is not an executable. It contains functions that will be used by the find program. Once you finish implementing the search and sort, just save ...
- 11
1
vote
"Error: control may reach end of non-void function". What causes this error?
Simply put, your check_prime() function has all of the return statements inside if statements. The compiler believes it is theoretically possible (even if not logically possible - remember, compilers ...
- 68.4k
1
vote
I want to unload cs50 appliance from my machine
My appliance is stored in /Documents/Virtual Machines (I expect that was the default when I installed VMWare Fusion.)
If it's not there, use Finder and search for kind: vmware and it should show ...
- 18.6k
1
vote
Accepted
PSET7 Terminal issue
When typing in that password, it doesn't display anything on the screen - not characters, not asterisks, nothing. But it is accepting input. When you hit enter, it will submit the password and return ...
- 68.4k
1
vote
cs50 appliance won't compile
I'm obviously new at this.
The problem was that I was leaving a space between the ./ and the name of the file!
1
vote
Want to know how to write C outside the appliance
Don't know if this answers your question but certainly any text editor such as Atom (or even Notepad) can be used to write C code. To compile it, you can download gcc in Linux (or cygwin if running ...
- 1,415
1
vote
Accepted
I'm running linux and not using the appliance. Is there anywhere I can download the cs50 directory with the staff implementations?
I zipped the contents of /home/cs50/ for you.
Download: http://www.filedropper.com/cs50staff
- 68
1
vote
Accepted
How do I enlarge my appliance?
In the command line try typing:
sudo vmware-user
Then you should be able to use Unity (in the View tab) which allows larger windows on your native Windows 7 screen.
@glennholloway and @jaques....
- 173
1
vote
Accepted
Where to get the latest appliance?
If you are using a Mac and VMware, you can download it from this direct link.
If you are running Windows or Linux and VMware Workstation, you can download it from this direct link.
If you are using ...
1
vote
hello.html ERR_ADDRESS_UNREACHABLE
well I have no idea where the problem was but I got rid of it.
First, disabling/enabling adapters and adapter settings both within the application and windows really screwed up my connection, had a ...
1
vote
Accepted
How do I copy and paste to and from the appliance?
As you mentioned on this post: How do I enlarge my appliance?
This answer: https://cs50.stackexchange.com/a/14519/7276
solves this problem too. Cheers!
- 173
1
vote
How do I copy and paste to and from the appliance?
For Hypervisor:
This feature should be enabled by default. Maybe you turned it of accidentally.
Choose Edit > Preferences. On the Input tab, set the check box beside Enable copy and paste to and from ...
Only top scored, non community-wiki answers of a minimum length are eligible