REGEX et PREG - assertions avant-arrière (lookahead & lookbehind assertions) : récupérer les chaînes qui ne contiennent pas un mot particulier. Par Albin - le 09/05/2010 à 16:28 Comment écrire une expression régulière qui n'accepte que les chaînes de caractères qui ne contiennent pas tel mot ou telle expression.
Une réponse avec les assertions avant-arrière (lookahead & lookbehind assertions) Commentaires : 5 C'est un problème récurrent sur les forums de développeurs : comment écrire une expression régulière qui n'accepte que les chaînes de caractères qui ne contiennent pas tel mot ou telle expression.
La réponse est dans les assertions, qui vont nous permettre de faire plein d'autres choses. 1. '/element(? Cette assertion "? Styleguide - Style guides for Google-originated open-source projects. Every major open-source project has its own style guide: a set of conventions (sometimes arbitrary) about how to write code for that project.
If your project requires that you create a new XML document format, our XML Document Format Style Guide may be helpful. Styleguide. Www.linux-france.org/article/these/cathedrale-bazar/cathedrale-bazar.html#toc11. The Internet map. The map of the Internet Like any other map, The Internet map is a scheme displaying objects’ relative position; but unlike real maps (e.g. the map of the Earth) or virtual maps (e.g. the map of Mordor), the objects shown on it are not aligned on a surface.
Mathematically speaking, The Internet map is a bi-dimensional presentation of links between websites on the Internet. Every site is a circle on the map, and its size is determined by website traffic, the larger the amount of traffic, the bigger the circle. Users’ switching between websites forms links, and the stronger the link, the closer the websites tend to arrange themselves to each other. Charges and springs To draw an analogy from classical physics, one may say that websites are electrically charged bodies, while links between them are springs. Also, an analogy can be drawn from quantum physics.
Project Euler. Expérience de Milgram. Un article de Wikipédia, l'encyclopédie libre.
Tech news & articles. Things You Should Never Do, Part I. By Joel Spolsky Thursday, April 06, 2000 Netscape 6.0 is finally going into its first public beta.
There never was a version 5.0. The last major release, version 4.0, was released almost three years ago. Mozilla may make Flash click-to-play by default in future Firefox. Firefox developers are considering making Web plugins like Adobe Flash an opt-in feature.
Pluto Scarab — Hash Functions. SMAC - Publications. Anatomy of Facebook. Don't give away your product for free... …unless you plan to keep it free forever.
The Cost of Free Doughnuts, a story on NPR shows what happens when you make something paid that was once free. During WWII, the Red Cross, which used to give away free coffee and doughnuts started charging servicemen for doughnuts at the behest of the US Government. Veterans still remember this 70 years later! The reporter goes and finds some veterans and asks about the Red Cross and they go OFF about having to pay for doughnuts. (28) How to master your time - Leading a better life - Quora. The “Unhyped” New Areas in Internet and Mobile.
Editor’s note: Legendary investor Vinod Khosla is the founder of Khosla Ventures.
You can follow him on Twitter at @vkhosla.
Metcalfe's law. Two telephones can make only one connection, five can make 10 connections, and twelve can make 66 connections.
Network effects Limitations RFC 3501 - INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 (RFC3501) Why programmers work at night. [This essay has been expanded into a book, you should read it, here] Image via Wikipedia A popular saying goes that Programmers are machines that turn caffeine into code.
And sure enough, ask a random programmer when they do their best work and there’s a high chance they will admit to a lot of late nights. Some earlier, some later. A popular trend is to get up at 4am and get some work done before the day’s craziness begins.