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I remember getting that message, or something similar, a couple of months ago; around the time debug50 was announced. Are you on the latest version of the IDE (93 as of this writing)? The version numb …

As per the status page (which makes a handy bookmark! :)

The lastest version of the IDE has a new debug50 utility.

First, "make" may be complaining because of incorrect syntax. You should make conditions not make conditions.c. Assuming, of course, there is a file named conditions.c in ~/workspace/pset1 and it is …

What IDE version? It is displayed in the menu bar next to the cloud9 icon. You can version50 at the command line. Current version is 94 as of this writing. Did you run update50 as per the Updating sec …

You will get the same result when you compile the code in the IDE. check50 should be the final step before submitting your work. You need compile and run the program in your workspace before check50 t …

EDIT September '16 The latest version of the IDE (69-ish) has a new utility called debug50. I can't find a way to get the button back, but you can run the GUI debugger this way: In View uncheck Les …

It's not exactly. From the file navigator in the left hand pane, there is one directory under the home directory named hello.c which contains one c file named hello.c. There is no executable named hel …

You'll need to install python locally and work there. You'll be able to upload the project files to the IDE for submit50. Consider signing up for Ed Discussion, there is a more robust CS50 AI communit …

Yes it can be done in the IDE. You manage the web server with apache50 command. To start the server you might use apache50 start ~/workspace/pset7/public (NB make sure pset6 server is not running …

Have you told your program where to find the CS50 library with the appropriate "require" statement(s)?

I found that deleted post over on reddit with an answer from delipity. But the user continued to have problems. I unzipped a fresh pset7, and did these chmods and finally got RockRolld! (oops. Spoiler …

There is a problem with the chmod you issued. If you want to recursively chmod all files in current working directory the syntax would be chmod -R 777 ./. From man chmod: chmod [OPTION]... MODE[,M …

It's probably safe to assume the first block is not a jpg sig otherwise what would be the point of the exercise? At the first fread, what happens if it doesn't find a jpg sig? Control goes here fwrit …

The IDE has changed since some videos were made. debug50 is the new debugger tool that was introduced in the fall. There is also a section on debug50 in the week2 lecture at around 22 minutes.