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How to correctly implement PHP to obtain blog data. At present, many websites provide free personal blog services, such as Google, Sina, and NetEase. to make full use of free blogs, we need to constantly sum up and think about it during use. Currently, many websites provide free personal blog services, such as Google, Sina, and NetEase. we need to constantly summarize and think about how to make full use of free blogs, for programmers, it is very important to use PHP to obtain Blogger Blog RSS

input tag.Before we dive into the actual parser implementations, we can discuss the syntax. In my previous article, I used the LR parser, and I could define calculator syntax as follows: The tag is expressed in uppercase letters. Add:add Add Mul | Mul; Mul:mul Mul Atom | Atom; Atom:num | ' (' Add ') ' | neg; Neg: '-' atom; (If you do not understand

In recent years, the PC market has been hit by smartphones and tablet computers, and market share has been shrinking. But this year, the decline in the PC market has eased, and manufacturers are also actively innovating to launch some impressive products. First, Apple launched the OS X Yosemite system and brought an amazing 5K-screen imac, and the company launched a 1200-dollar low-end windows notebook to better promote its Windows system. At the same time, Google's

chronological order. The 3GP file is composed of a series of box (atom) files. The structure of each box is 4-byte size, 4-byte type, and some data. Use Mp4info: view the data layout of the 3GP file, for example: For example, ftyp indicates the file version information, and mdat stores text, audio and video data. You may ask how to find the audio and video data. What? The sub-box Trak in moov box stores the attribute descriptions of audio and vi

actually used in subsequent implementations), and parse instruction words (Element) Next we define the expression. An expression or an atom [atom], which is an alphabetic sequence (such as Foo) or a table (list) consisting of 0 or more expressions, separated by commas, and placed in a pair of brackets. Here are some of the expressions: (Note: An expression of the original Lisp syntax is separated by a spac

-z_-]+) {0,3}]$/The more important and useful role of regular expressions is to validate the validity checks of user data. In PHP, regular expressions have three effects: Match, and is often used to extract information from a string.Replaces the matching text with the new text.Splits a string into a smaller set of pieces of information.Syntax rules for regular expressions Regular expressions are mainly composed of: Atoms (ordinary character, such as English characters)Metacharacters (characte

considered primarily for the AI domain, but Lisp is not designed for AI, but is a universal programming language.Lisp's expression is an atom (atom) or a table (list), an atom (atom) and a number (number), and a table is a sequence of 0 or more expressions, separated by a space between the expressions, in a pair of pa

Original Jianan-[email protected]Original address: http://blog.csdn.net/qinxiandiqi/article/details/50194811Version info: 2015-12-06Copyright NOTICE: This article uses CC BY-NC-ND 4.0 sharing protocol. Reproduction and reproduction are permitted, but the original author, the original link, the version information, the copyright notice and other information must be retained prominently in the first place. Deduction and use for commercial purposes are not permitted. Google's two heavyweight o

Google Chrome OS is a controversial project. Some people think that its concept is too advanced, while others think that it cannot succeed at all. It is based on a Linux system, but has abandoned thousands of open-source software. It sticks to the "browser as the operating system" and focuses on network applications. In addition, to run Chrome OS smoothly, you must use dedicated hardware chromebook or chromebox, which also limits its development. Ther

Summary of MySQL login problems I want to practice MySQL in my own small book. As a result, I had a problem logging in. After half an hour, I finally got it done, I also summarized these common problems and shared them with you. The author's system is OpenSuSE, and other systems have similar solutions for your reference. First, log on to MySQL and prompt ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql. sock '(2). After ps, I feel that mysqld is started. [pl

MySQL login summary bitsCN. comMySQL login problem summary: I want to practice MySQL in my own small book. the login result is problematic. after half an hour, I finally got it done, I also summarized these common problems and shared them with you. The author's system is OpenSuSE, and other systems have similar solutions for your reference. First, log on to MySQL and prompt ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql. sock '(2). after ps, I feel that my

generation process .(a) M4A introductionM4A files, which are actually MP4 files, generally only store audio streams. M4A is the name of the Apple company, used to differentiate the generic MP4 file with video frames.Parsing the M4A file format is parsing the MP4 file format, which is the same for writing files.To intercept m4a fragments, it is necessary to parse the M4A file format to obtain relevant information (such as sample rate, number of channels, number of samples per frame, total frames

to 2.0.This is today's situation, forming two major competing versions: one based on RDF 1.0, and the other based on not (2.0), but both of them share the same name. This is a terrible mess, because the version numbers lead to people mistakenly think that 2.0 is an improved version of 1.0, but they are actually two completely different standards. Another group of developers has begun to solve this confusion by defining a new syndication specification to break away with the random RSS name. This

number jumped to 2.0 at a draught. This is the situation today that has created two major competitive versions: one based on RDF 1.0 and the other not (2.0), but all two share the same name. This is a terrible mess because the version number leads people to think that 2.0 is an improved version of 1.0, but in fact they are two completely different specifications. Another group of developers has am to address this messy problem by defining a new Digest (syndication) specification to break with t

Using the Aura window manager and packaging applications, Google is changing the impression of Chrome OS. Today, it can operate windows like a desktop system and has offline applications. However, to run Chrome OS, you must purchase Chromebook. Does this limit the development of Chrome OS? Not necessarily. Because the software platform of Chrome OS is Chrome browser. As long as you use the Chrome browser, you can use the Chrome application. Therefore

The main introduction is the MP (Matching pursuits) algorithm and the OMP (orthogonal Matching Pursuit) algorithm [1], the two algorithms, although presented in the early 90, but as a classic algorithm, domestic literature (may have I did not search to) Only describes the algorithm steps and simple application, not detailed analysis of it, foreign literature or analysis is very thorough, so I combine their understanding, to analyze the blog, counted as notes.1. Sparse representation of the signa

The main introduction is MP (Matching pursuits) algorithm and OMP (orthogonal Matching Pursuit) algorithm [1], although these two algorithms were proposed in the early 90, but as a classical algorithm, domestic literature (may have I did not search to) are described only the algorithm steps and simple application, not detailed analysis of it, foreign literature or analysis is very thorough, so I combine their understanding, to analyze the blog, counted as notes. 1. Sparse representation of the s

Atom Editor. Why Atom is recommended? Because of its lightweight, non-redundant functionality, the browser-based editor offers a very high level of customization, a coffeescript-based interface hack is simple, and the vast majority of the functionality that can be used to complete everyday coding with atom, and most importantly beautiful (yes I am the Appearance

RDF, this version is completely different from the version controlled by userland software. Of course, userland software is reluctant to see the fact that RSS 1.0 seems to replace its version 0.94, so a new version is released and the version is jumped to 2.0.This is today's situation, forming two major competing versions: one based on RDF 1.0, and the other based on not (2.0), but both of them share the same name. This is a terrible mess, because the version numbers lead to people mistakenly t

take a look at their documents. Moduleerl_scan module SummaryThe Erlang token parameter description This module contains functions for tokenizing characters into Erlang tokens.Exports string(CharList,StartLine]) -> {ok, Tokens, EndLine} | Errorstring(CharList) -> {ok, Tokens, EndLine} | Error Types: CharList = string()StartLine = EndLine = Line = integer()Tokens = [{atom(),Line}|{atom(),Line,term()}