7 votes
Accepted

Pset8 Mashup Map Not loading

if anyone has run into the issues i have stated above there is a simple fix. Doing some searching around and trying to access urls using https showed me my appliance was not ‘secure’. By going into ...
jakewies's user avatar
4 votes
Accepted

week one( no adder or conditions in cs50 library

An example of the command is when you enter an instruction on the terminal command line, like make testfile. If there is a file called testfile.c or a rule to build it in the makefile file, then make ...
Cliff B's user avatar
  • 68.1k
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
Remon Abuelezz's user avatar
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 ...
Marti Serra's user avatar
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 ...
eeagent's user avatar
  • 41
3 votes
Accepted

CS50 Appliance not working on windows 10 on latest version of virtualbox

Go into the appliance's network settings and disable the second and third network adapters. See more detailed explanation here [https://cs50.stackexchange.com/a/11103/7539]. If this answers your ...
ChrisG's user avatar
  • 7,366
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!
peanutlover's user avatar
3 votes
Accepted

Can't Download the Appliance

you could try torrent-downloading it!
3 votes
Accepted

Should I use CS50 IDE or CS50 Appliance as an edX student?

for version edX 2015 (aka Harvard fall/2014), it's recommended to use appliance 2014 because some of the psets in this version of the course are not solvable in the CS50 IDE (e.g., breakout). to ...
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/...
Alex Karpowitsch's user avatar
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 /...
hotwebmatter's user avatar
  • 3,050
2 votes
Accepted

Problems with running CS50 Appliance 2014 on Windows 7

A solution to this problem is presented in "Troubleshooting" section of "VirtualBox" CS50 manual page (VirtualBox Troubleshooting). Let me cite the interesting part here: Nonexistent host ...
Wiktor Czajkowski's user avatar
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.
Stef Joynson's user avatar
2 votes
Accepted

Running python scripts in the cs50 appliance

The thing wrong with this code is you're using Python 3. When trying to run it on Python 2.7 on windows, it raises the same error, so you should try porting it to the earlier version. This is easily ...
Dulcie's user avatar
  • 36
2 votes
Accepted

Problem with importing Appliance into VMware Workstation

I don't know what you downloaded exactly, but the appliance you should be using can be found here: https://manual.cs50.net/appliance/2014/workstation/ Also better use the torrent link to download the ...
ChrisG's user avatar
  • 7,366
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 ...
kzidane's user avatar
  • 17.6k
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 ...
Blauelf's user avatar
  • 20.9k
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 ...
Cliff B's user avatar
  • 68.1k
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
Karen Safrit's user avatar
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 ...
hotwebmatter's user avatar
  • 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=='...
Blauelf's user avatar
  • 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=...
J Doe CS50's user avatar
1 vote

PHP and HTML Files Don't Work in Appliance

the message tells you exactly what the problem is. you never passed an HTTP parameter called name to hello.php and apparently the code in hello.php is not written to handle such case. so it reports ...
kzidane's user avatar
  • 17.6k
1 vote
Accepted

Final Project - Using gedit for windows

You don't need Excel to open a csv file, you can open it even with a text editor like gedit in the appliance. I think your best move would be to install Libre Office on the appliance. They have a ...
ChrisG's user avatar
  • 7,366
1 vote

what am i suppose to do in pset3?

In pset3 (which documentation can be found here: http://cdn.cs50.net/2015/x/psets/3/pset3/pset3.html) you have to do two things. First implement a sort/search algorithm that will find (or not) a ...
ChrisG's user avatar
  • 7,366
1 vote

CS50 Appliance installation

Visit the official link provided by the course and follow the steps. https://manual.cs50.net/appliance/2014/#how_to_install_appliance
ChrisG's user avatar
  • 7,366
1 vote
Accepted

vm ware and cs50 set up

If you follow the instructions here https://manual.cs50.net/appliance/2014/fusion/ In step 5 you will download the appliance file from http://mirror.cs50.net/appliance50/2014/releases/29/appliance50-...
John Finnigan's user avatar
1 vote

Problems with style50 using emacs

You will probably find all the details in the emacs wiki, particularly this page: Indenting for C There's a search bar there too for other questions.
curiouskiwi's user avatar
  • 18.5k
1 vote

Italian Mac Keyboard

We solved it setting in "Preferences" of VMware Fusion Mac Profile as default, and Italian as language in the Appliance, and modifying a code (taken from here) for putting <>\| in the right place. ...
Francesco Di Gioia's user avatar
1 vote

Really need help to update cs50 appliance

After The update failed for me (the error about GRUB), i couldn't attempt any other command at the terminal. So i removed the CS50 appliance and then imported it again for a fresh start with original ...
Jay Jay's user avatar
  • 25

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