First, CAPTCHA in the end to prevent what? Why are we always with us to be afraid of machines, CAPTCHA is the electronic gatekeeper they set up. Common types of CAPTCHA are these: Type Common Style Cracking Difficulty Picture Verification Crooked Text Font Deformation + Background Interference Sliding Puzzle Missing ...

Web Agent Survival Manual for Data Workers Old Zhang, who is doing data collection, has recently had his hair turn gray especially fast - the just debugged crawler script runs for two days and then stops, and the anti-climbing mechanism of the target site is upgraded faster than playing the game passes. At this time, a reliable web proxy is like a bulletproof vest for the crawler. Hidden in the ...

Manually configure the proxy IP of the earth's way Many Mac users encounter network lag or need to manage multiple accounts, the immediate thought is to change the system settings. Click on the upper left corner of the Apple label → System Settings → Network → find the Wi-Fi or cable connection you are using, click on it to see the "Proxy" option ...

The wild way to find a proxy IP online and the right trick When you are looking for a proxy IP, do you often encounter a list of fast lapses, the speed of a tortoise crawling and these things? Today we will nag how to use online tools to accurately capture the reliable agent, by the way, Amway's own good goods ipipgo, guaranteed to see the end of the practical operation. First, online ...

First, crawl data is always blocked? You may lack a good helper Do data collection of old drivers understand that the most headache is the target site suddenly give you an IP ban. Like driving a truck to transport goods, just loaded half a car was stopped outside the door - this time you need to find a reliable "middleman", which is on behalf of...

Python to JSON in the end what is the use? Hand in hand to teach you to play around with the data format The old iron have engaged in crawling know that the data back to catch often have to be stored in json format. To give a chestnut, with a proxy ip capture the price of an e-commerce platform data, the return may be a mess of strings. This time we have to use Python's j...

What to do when the XML data is blocked? Try this approach We do data crawling often encounter a headache - the target site's XML interface suddenly does not allow access. This is the time to sacrifice our secret weapon: proxy IP. C, to deal with XML parsing itself is not difficult, but with a proxy IP is the real skill ...