Contents. Eclipse has some unusual defaults, and this is one of the reasons sometimes Eclipse fails to meet beginner expectations. Fortunately this can be easily fixed, each time after creating a new workspace it is recommended to check and maybe change the settings below. Locate the Preferences menu Eclipse has lots of settings, and they are a bit confusing for beginners. Apart form various objects Properties, accessible with Right click in most situations, there are settings that apply to the entire workspace, and these settings are named Preferenceces, accessible in the top menu. Note: the Preferences menu has different locations on Windows/Linux (search for the last entry below the Window menu) and on macOS (below Eclipse, and it is shown as “Preferences””, with three dots).
Eclipse for Macbook Air has the motive to adapt and evolve the eclipse technology to meet the needs of the eclipse tool building community and the users. Eclipse for Mac OS is a universal tool platform, which has an open, extensible IDE for anything. Show view menu (features available on left vertical bar: breakpoints, bookmarks, line numbers, ) Ctrl + F10, then n: Show or hide line n umbers: Ctrl + Shift + Q: Show or hide the diff column on the left (indicates changes since last save) Ctrl + Shift + + /-Zoom text in/ out.
Save automatically and Text file encoding Sometimes users are very confused to see that after the edit/compile/run cycle nothing changed in the program behaviour, although the editor clearly shows the changes. Usually the main reason is that the file was not actually saved and the build process used the previous version of the file. To automatically save edited files before build,.
go to the Eclipse menu → (Windows →) Preferences → General → Workspace. enable Save automatically before build In the same page, select the default text file encoding to UTF-8. Without this setting, special characters like diacritics, are generally replaced with question marks (for example the µOS name used in the template generated source files is shown as??OS or even OS).
Vim FAQ: How do I show line numbers in the vi/vim editor? I’m frequently asked if there’s a way to show line numbers in vi (or ). That is, can you take a normal vim display like this: aaa bbb ccc and then get vim to show line numbers before each line in the editor, like this: 1 aaa 2 bbb 3 ccc The answer is a resounding yes. How to show vim line numbers (vim set number) You show vim line numbers by issuing this vim “set number” command::set number That command tells vim to display a line number before each line it displays on screen. Then, if you want to turn off this line number display you can just issue this vi command::set nonumber Remember that you have to issue these vim commands while you’re in the “command mode” of the vi/vim editor. That sounds complicated, but usually all you have to do to make sure you're in command mode is to hit the Esc key. Then, when you type the: character at the beginning of these commands, you will be taken to vim’s “last line mode”, where you can issue these line number commands.