Bien utiliser le couple PHP/MySQL en évitant les boucles de requêtes – Devblog de Xenos Votre jeu est truffé de boucles de requêtes SQL? Il est lent et vous ne voulez pas dépenser plus pour un plus gros hébergement? Ou avez-vous déjà dépensé cet argent et cela n’a rien amélioré? Alors plongez dans cet article qui vous montrera comment tirer le meilleur parti de PHP+MySQL. Le problème des tutos “simplistes” PHP (et son ami MySQL) sont de très bons outils pour développer un site web: rapides à installer et à prendre en main, avec une forte communauté et des années d’existence ayant permis de régler la plupart des problèmes et de fournir des tutoriaux accessibles à tous, même aux plus débutants. La boucle de requêtes PHP Un créateur de jeu web qui a suivi des tutos de ce genre finit souvent avec ce genre de code: $playerTanks=$pdo->query('SELECT * FROM tanks WHERE id_player = '. Or, ce genre de code finit fatalement par péter à la figure de son créateur (et si cela n’arrive pas, alors cela signifie que le jeu n’est juste pas du tout joué). Les requêtes préparées Transaction
DevelopmentCodeNames Ubuntu is known for having the funkiest release code names around. From time to time users suggest potential names, so if you have a magical idea, please add it to the table at the bottom of this page. Release Naming Scheme The official name of an Ubuntu release is "Ubuntu X.YY" with X representing the year (minus 2000) and YY representing the month of eventual release within in that year. The development codename of a release takes the form "Adjective Animal". History MarkShuttleworth said the following with regard to where the naming scheme originally came from: So, what's with the "Funky Fairy" naming system? Code Name Suggestions If you think of a really good one future name, save it here rather than keeping it hidden away inside your brain and you never know, you may even see a release named after allowing you to feel happy inside knowing that you've contributed in a very special and unique way to an Ubuntu release! This is not a competition, but a way for people to work together!
Google © 2021 - Privacy - Terms A Visual Guide to Regular Expression It’s a common task in NLP to either check a text against a pattern or extract parts from the text that matches a certain pattern. A regular expression or “regex” is a powerful tool to achieve this. While powerful, regex can feel daunting as it comes with a lot of features and sub-parts that you need to remember. In this post, I will illustrate the various concepts underlying regex. Mental Model Let’s start with a simple example where we are trying to find the word ‘cool’ in the text. With regex, we could simply type out the word ‘cool’ as the pattern and it will match the word. While regex matched our desired word ‘cool’, the way it operates is not at the word level but the character level. Key Idea: Regex works at the character-level, not word-level. The implication of this is that the regex r'cool' would match the following sentences as well. Basic Building Blocks Now that we understand the key idea, let’s understand how we can match simple characters using regex. a. b. c. Pattern: \d d. e.
Regex Cheat Sheet The tables below are a reference to basic regex. While reading the rest of the site, when in doubt, you can always come back and look here. (It you want a bookmark, here's a direct link to the regex reference tables). The tables are not exhaustive, for two reasons. The other reason the tables are not exhaustive is that I wanted them to serve as a quick introduction to regex. How to use the tables The tables are meant to serve as an accelerated regex course, and they are meant to be read slowly, one line at a time. You can read the tables online, of course, but if you suffer from even the mildest case of online-ADD (attention deficit disorder), like most of us… Well then, I highly recommend you print them out. Enjoy! If you overdose, make sure not to miss the next page, which comes back down to Earth and talks about some really cool stuff: The 1001 ways to use Regex. Regex Accelerated Course and Cheat Sheet For easy navigation, here are some jumping points to various sections of the page:
9 ways to master awful code, fast You've been given the task of implementing a new feature on an old codebase, but the code looks awful. How can you understand it as quickly as possible? Here are several shortcuts to help learn the important parts of new code without getting lost in the irrelevant details. As programmers, we often have to join new projects, and the quality of the code can be all over the place. Even with an organized team, keeping code quality consistent throughout a medium-size-to-large project is a challenge. That's why understanding poor code quickly can be a valuable skill to have. On the other hand, this is a prime opportunity for showing your client or boss your worth and that you can get up to speed quickly and impress them. Here's how to master awful code quickly. Gartner Magic Quadrant for Software Test Automation Ask for help. Other people have already learned how the code works, so why not ask them about it? Everyone takes time to get up to speed. Make it easy to reproduce bugs Share your ideas
PathFinding.js Click within the white grid and drag your mouse to draw obstacles. Drag the green node to set the start position. Drag the red node to set the end position. Choose an algorithm from the right-hand panel. Breadth-First-Search Best-First-Search Dijkstra Jump Point Search Orthogonal Jump Point Search Trace generating grid 100%
white-space The white-space property controls how text is handled on the element it is applied to. Let's say you have HTML exactly like this: <div> A bunch of words you see. You've styled the div to have a set width of 100px. If you want to prevent the text from wrapping, you can apply white-space: nowrap; Notice in HTML code example at the top of this article, there are actually two line breaks, one before the line of text and one after, which allow the text to be on its own line (in the code). It's called pre because the behavior is that as if you had wrapped the text in <pre></pre> tags (which by default handle white space and line breaks that way). Perhaps you like how pre honors white space and breaks, but you need the text to wrap instead of potentially break out of its parent container. Finally, white-space: pre-line; will break lines where they break in code, but extra white space is still stripped. Interestingly, the final line break is not honored. #More Information Mozilla Docs
Les Expressions Régulières en PHP (REGEX) - Zendevs Dans cet article nous allons voir comment fonctionnent les expressions régulières en PHP, ainsi que comment les utiliser pour effectuer une comparaison de motifs de manière efficace. Les expressions régulières sont un outil très utile pour les développeurs. Ils permettent de trouver, d’identifier ou de remplacer un mot, un caractère ou tout autre type de chaîne. Ce tutoriel vous apprendra à maîtriser le regexp PHP et vous montrera des expressions régulières PHP utiles prêtes à l’emploi ou d’autres utilisées à titre d’exemple pour bien appréhender ces expressions. Commençons par un bref aperçu des fonctions de filtrage intégrées de PHP les plus couramment utilisées avant de plonger dans le monde des expressions régulières. Les fonctions REGEX en PHP Pour plus d’informations sur les fonctions natives des expressions régulières PHP, consultez le manuel. Les délimitateurs de pattern REGEX en php Est-ce que ~ n’est pas plus lisible ? Syntaxe des expressions régulières REGEX en php