Code reviews are not as proactive as you have to wait until the code is completed — bugs and all — before somebody could take a look at and correct it.

Fewer mistakes are introduced into your code because a lot of errors are caught as they are being typed. Two heads are better than one. The programmer at the keyboard is usually called the “driver”, the other, also actively involved in the programming task but focusing more on overall direction is the “navigator”; it is expected that the programmers swap roles every few minutes or so. De eerste programmeur is degene die het toetsenbord bedient en de code daadwerkelijk schrijft, in principe is zijn rol dus gelijk aan die van een solo-programmeur. 2. On top of the fact that pairing, done right, will only result in 15% slowdowns in terms of the individual output, it actually speeds up the coding process and ensures better quality code, which lessens the chances that the program would have to be redone. However, this is a misconception that needs to be clarified. This level of continuous code reviews gives rise to fewer bugs in your code.

One programmer, termed …
https://nl.wikipedia.org/w/index.php?title=Pair_programming&oldid=41772466, Creative Commons Naamsvermelding/Gelijk delen. Pair programming consists of two programmers sharing a single workstation (one screen, keyboard and mouse among the pair). This provides built-in redundancy if one person leaves, moves to a different team, is busy with other work, or goes on vacation. With pairing, it is like having somebody review your code instantly and regularly.

More simply “pairing”; the phrases “paired programming” and “programming in pairs” are also used, less frequently. Check out this short video to see how you can troubleshoot an error. There are several tactics for achieving these goals, many of which work well in tandem. Among the more interesting theoretical papers are those pursuing the ethnographic approach initiated among others by Sallyann Freudenberg (née Bryant), using close examination of programmers in their day-to-day work: Most empirical studies (14 out of the above mentioned 18) suffer from one common flaw often cited as an obstacle to generalizing conclusions: they are conducted with “convenience samples” of graduate or undergraduate students rather than on professionals in realistic work conditions. Of course, only one programmer was actually cutting code at each keyboard, but the others were peering over their shoulders.” Whitesmiths existed from 1978 to 1988. Posterior studies are more abundant and driven by the desire to “validate” pair programming after it had already gained popularity through, 1995: the pattern “Developing in Pairs” is given a brief description, in, 1998: in “Chrysler goes to Extremes”, the earliest article about Extreme Programming, pair programming is presented as one of the core practices of the C3 team; it is later described formally as one of XP’s original “twelve practices”, 2000: (or earlier) – the roles of Driver and Navigator are introduced to help explain pair programming; the earliest known reference is a, 2003: an anonymous article on the C2 Wiki describes, able to participate as navigator, in particular to intervene appropriately, able to participate as driver, in particular to explain code while writing it, can tell the right moment to give up the keyboard and switch roles, can tell the right moment to “steal” the keyboard and switch roles, able to “drop in” when another pair has been working on a task and pick up the navigator role smoothly, the room’s furniture and workstations are set up so as to encourage pairing (in teams new or hostile to pairing, obvious mistakes are tolerated, such as desks with too little room for two chairs), the room’s noise level is controlled: the muted conversations from several simultanous pairs create a background hum but do not rise to the level where they would disturb anyone’s work, if, on entering the room, you spot any programmer wearing an audio headset, take that as a “negative” sign – not only is pairing probably not practiced in the team but the conditions for successful adoptions are likely not met, increased code quality: “programming out loud” leads to clearer articulation of the complexities and hidden details in coding tasks, reducing the risk of error or going down blind alleys, better diffusion of knowledge among the team, in particular when a developer unfamiliar with a component is pairing with one who knows it much better, better transfer of skills, as junior developers pick up micro-techniques or broader skills from more experienced team members, large reduction in coordination efforts, since there are N/2 pairs to coordinate instead of N individual developers, improved resiliency of a pair to interruptions, compared to an individual developer: when one member of the pair must attend to an external prompt, the other can remains focused on the task and can assist in regaining focus afterwards.

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