Related:

• diff: /dif/ n. 1. A change listing, especially giving differences between (and additions to) source code or documents (the term is often used in the plural `diffs').
  Send me your diffs for the Jargon File!" Compare {vdiff}....
• patch 1. n. A temporary addition to a piece of code, usually as a quick-and-dirty remedy to an existing bug or misfeature.
  A patch may or may not work, and may or may not eventually be incorporated permanently into the program....
• vdiff /vee'dif/ v.,n. Visual diff. The operation of finding differences between two files by eyeball search.
  The term `optical diff' has also been reported, and is sometimes more specifically used for the act of superimposing two nearly identical printouts on one another and holding them up to a light to spot differences....
• vdiff: /vee'dif/ v.,n. Visual diff. The operation of finding differences between two files by {eyeball search}.
  The term `optical diff' has also been reported, and is sometimes more specifically used for the act of superimposing two nearly identical printouts on one another and holding them up to a light to spot differences....
• delta: n. 1. [techspeak] A quantitative change, especially a small or incremental one (this use is general in physics and engineering).
  I just doubled the speed of my program!" "What was the delta on program size?...
• delta n. 1. [techspeak] A quantitative change, especially a small or incremental one (this use is general in physics and engineering).
  I just doubled the speed of my program!" "What was the delta on program size?...
• mod vt.,n. [very common] 1. Short for `modify' or `modification'.
  Very commonly used -- in fact the full terms are considered markers that one is being formal....
• magic number n. [Unix/C; common] 1. In source code
  some non-obvious constant whose value is significant to the operation of a program and that is inserted inconspicuously in-line (hardcoded), rather than expanded in by a symbol set by a commented #define....
• lint [from Unix's lint(1), named for the bits of fluff it supposedly picks from programs] 1.
  vt. To examine a program closely for style, language usage, and portability problems, esp....