This is a series no way to write in a day or two so an article published
General outline:
Single page acquisition function of 1.curl data collection series get_html
Multi-page Parallel acquisition function of 2.CURL data acquisition series GET_HTMLS
The regular processing function of the 3.curl data collection series Get _matches
Code separation of 4.curl da
HS Series Data acquisition card can not only achieve high-speed data acquisition, but also through the (Multi channel) multi-channel measurement and analysis software, to achieve a variety of complex triggering function of the logic relationship, capture the transient high-speed signal and display the corresponding trigger curve.HS4, HS5, HS6 USB high-speed data acquisi
SpringMVC basics-parameter acquisition and Servlet Resource Acquisition Problems, springmvcservlet
I. SpringMVC uses @ PathVariable, @ RequestParam, @ RequestHeader, @ CookieValue, and so on to solve the parameter acquisition problem.
1. @ PathVariable: a placeholder for ing URL binding. You can obtain the parameter values in URL ing by using the @ PathVariable a
Help, when I collect, when the previous acquisition is not completed, I want to carry out another condition acquisition, how to immediately terminate the last harvest??
Help, when I collect, when the previous acquisition is not completed, I want to carry out another condition acquisition, how to immediately terminate
With the first get_html () to achieve a simple data acquisition, because it is a implementation of data acquisition of the transmission time will be all the total length of the page download, a page assuming 1 seconds, then 10 pages is 10 seconds. Fortunately Curl also provides the function of parallel processing.
To write a parallel collection of functions, first to understand what to collect the page, th
Pthreads Multithreading data acquisition, PTHREADS data acquisition
Multithreading, formerly using Curl, is not really multi-threading, just a simulation of multi-threading, now using Pthreads to achieve the true meaning of multithreading.
Download:
Under Windows:
http://windows.php.net/downloads/pecl/releases/pthreads/0.0.45/
Under Mac, UNIX, Linux:
Https://github.com/krakjoe/pthreads
Installation method:
Using the first get_html () to achieve a simple data acquisition, because it is a single execution to collect data transfer time will be the total length of all page downloads, a page assumes 1 seconds, then 10 pages is 10 seconds. Fortunately, Curl also provides the capability of parallel processing.
To write a parallel collection of functions, first of all to understand what kind of page to collect, to collect the page with what request, can write
IP address acquisition and conversion, IP address acquisition and conversionIP address acquisition and conversion
1. Preface
Converting an IP address to an integer storage is a major trend in database optimization. String indexes consume a lot of resources than integer indexes, especially when the data volume in a table is large, and query the data of an ip segme
Android time acquisition and use, android Time AcquisitionWhen compiling an Android network program, you will inevitably encounter inaccurate mobile phone time. This article summarizes some common time acquisition and Correction Methods: for reprinting, please note: http://blog.csdn.net/xzy20461.get the original time:
Time local = new Time(); local.set(System.currentTimeMillis()); mLo
ThreadDump acquisition and analysis tool, and threaddump acquisition
This section describes how to obtain ThreadDump and the analysis tools of ThreadDump.
1) in the Java program running session, use the following method:
Unix and Linux: CTRL -\
Windows: CTRL-BREAK
2) method 1) it is required that the Java program session be used. If it is not in the Java program session, what should we do?
Use the Jstack t
A project in the lab collects Amazon's product data, including monomer and variant acquisitions. The beginning of a demo is a stand-alone version of the Java collection software, the following according to the requirements of the instructor, the realization of the cloud distributed collection-the laboratory to provide collection equipment resources, multi-computer distributed multi-threaded acquisition, the user only need to configure the front desk t
Today, Google confirmed that it will acquire YouTube Inc in the form of a stock exchange worth $1.65 billion .. YouTube currently occupies nearly half of the online video search market, with 0.1 billion million video hits each day.
After the acquisition, Google will also be responsible for numerous litigation cases such as copyright infringement on yuotube. YouTube is currently playing hard with Global Music in court.
But on the other hand, most i
Original source: http://www.cnblogs.com/Charltsing/p/winhttpasyn.htmlRecently, I was asked if I can bypass the century good-luck member verification to collect pictures, I tested it, found that it is possible.The efficiency of WinHTTP asynchronous acquisition is also tested. (Use WinHTTP in VBA to develop fast)After testing, it takes about three minutes or less to retrieve 10,000 members in the event that the site is not busy.Here's a brief look at ho
Image Acquisition in Html5 and image acquisition in html5
Image Acquisition in Html5-Solving the Problem of texture inversion in WebGL
Beautiful Life of the sun and fire god (http://blog.csdn.net/opengl_es)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Sun huoshen's beautiful li
1. Into the front of the army for some time, always feel the lack of something, every day to knock business code, in addition to copy and paste other people's thoughts, the rest of their own things really did not. I think it is necessary to write down something, I have to leave some things and memories of ourselves ...No more nonsense, start to the point:JS Acquisition Time:JavaScript gets the current timestamp:The first method:var timestamp = date.pa
Js real-time acquisition and display of the current time method, js real-time acquisition of the current time
This example describes how to obtain and display the current time in Javascript in real time. Share it with you for your reference. The specific implementation method is as follows:
The js section is as follows:
The html section is as follows:Copy codeThe Code is as follows:
The displayed val
Website data acquisition and data acquisition
In this example, the html source code is parsed using HtmlAgilityPack to obtain the required data.
Using HtmlAgilityPack;
1. Obtain the webpage source code through the WebRequest, WebResponse, and StreamReader classes in C #.
WebRequest request = WebRequest. Create (url );Using (WebResponse response = request. GetResponse ())Using (StreamReader reader = new Str
Full path acquisition by JavaEE and full path acquisition by javaee
This blog is a comprehensive summary of how the Java Web Application Server obtains file paths in different environments.
The main application scenario after obtaining the file path is to read the custom configuration file of JavaWeb and generate various types of files in a specific path for download ......
Check whether the above directory
Development (1) application interface and token acquisition
Author: Songyang
This article is from Ashura road and is prohibited for commercial purposes. For more information, see the source.
Link: http://blog.csdn.net/fansongy/article/details/43233369
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