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Working with Code outline editors compiling debugging resources Working with Code UIC Linux Users Group September 27, 2013 UIC Linux Users Group Working with Code outline editors compiling debugging resources editors what you use nano/pico vim eclipse compiling g++ javac makefiles debugging introduction tools tips resources resources UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources beginner logic I concept: programing is hard and scary. we should give beginers tools with limited capabilites I problem: beginners don’t want to stay beginners I learn to use a decent IDE with a decent debugger, decent code prediction, syntax highlighting as soon as you are able UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources nano I familiar interface I included in almost every linux distribution UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources example nano -w hello.txt UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources vim I Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor ’Vi’, with a more complete feature set. I Also included in almost every linux distribution UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources vim basics I arrows/mouse : move around the file I i : insert a : append I d : delete/cut I y : yank/copy I wq : save and quit I w : save I u : undo I redo : ctrl+r UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources more vim I sp : splits the window I m[letter] : assigns a macro I v : visual mode I ctrl+v : visual block I gD : takes you to a variable/method declaration I ctrl+n : auto-completion UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources configuring vim I set autoindent I set smartindent I set number : displays line numbers in the left margin UIC Linux Users Group Working with Code outline what you use editors nano/pico compiling vim debugging eclipse resources eclipse I advanced and powerful IDE (Integrated Development Enviornment) I Primarily used for Java development, however can be used for C/C++, PHP, Android development as well UIC Linux Users Group Working with Code outline editors g++ compiling javac debugging resources g++ I g++ myprogram.cpp -o myprogram I ./myprogram UIC Linux Users Group Working with Code outline editors g++ compiling javac debugging resources javac I javac myprogram.java I java -cp myprogram UIC Linux Users Group Working with Code outline editors introduction compiling tools debugging tips resources introduction I debugging is the process of identifying the root cause of an error and correcting it I debugging can take up to 50 percent of development time and can be the hardest part I forces you to read and understand your code UIC Linux Users Group Working with Code outline editors introduction compiling tools debugging tips resources tools I gdb: (GNU Project Debugger) I ddd: graphical front end for gdb I compiler!! I eclipse has a very good debugger for your java code UIC Linux Users Group Working with Code outline editors introduction compiling tools debugging tips resources tips I try using a binary search algorithm to find the source of the error I talk to someone about your problem a.k.a. confessional debugging I take a break from the problem (go for a walk, get some coffee, etc) I make sure to save the original source (version control?) I well formatted and organized code makes debugging a lot easier UIC Linux Users Group Working with Code outline editors compiling resources debugging resources resources I download eclipse: http://www.eclipse.org/downloads/ I VIM cheatsheet: http://www.zalas.eu/uploads/wp/2010/05/vi-vim-cheat- sheet.gif I Guide to Faster, Less Frustrating Debugging: http://heather.cs.ucdavis.edu/ mat- loff/UnixAndC/CLanguage/Debug.html I Guide to Makefiles: http://www.delorie.com/djgpp/doc/ug/larger/makefiles.html UIC Linux Users Group Working with Code.
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