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How do I prevent site scraping? [closed]
...ation with a HTML parser to extract the desired data from each page.
Shell scripts: Sometimes, common Unix tools are used for scraping: Wget or Curl to download pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex b...
Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the...
How to add jQuery in JS file
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var script = document.createElement('script');
script.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
script.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(script);
...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...博应用最近，国内主要门户网站相继开放了微博平台，对开发者而言这无疑是个利好消息，不过在实际使用中却发现平台质量良莠不齐，有很多不完善的地...最近，国内主要门户网站相继开放了微博平台，对开发者而言这无疑是...
Set custom attribute using JavaScript
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In any event, it turns out that the way you set these attributes via JavaScript is the same for both cases. Use:
ele.setAttribute(attributeName, value);
to change the given attribute attributeName to value for the DOM element ele.
For example:
document.getElementById("someElement").setAttribu...
JavaScript sleep/wait before continuing [duplicate]
I have a JavaScript code that I need to add a sleep/wait function to. The code I am running is already in a function, eg:
1...
Warn user before leaving web page with unsaved changes
...vant keypresses like the Ctrl key.
Won't trigger on values set through JavaScript code.
Won't trigger on cutting or pasting text through context menus.
Won't work for virtual inputs like datepickers or checkbox/radiobutton beautifiers which save their value in a hidden input through JavaScript.
Th...
Getting the ID of the element that fired an event
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$(document).ready(function() {
$("a").click(function(event) {
alert(event.target.id);
});
});
Note also that this will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as $(this), e.g.:
$(document).ready(functi...
Python: Making a beep noise
...option will work, according to askubuntu.com/questions/19906/beep-in-shell-script-not-working
– John Haberstroh
Apr 17 '17 at 3:07
6
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t 一个线程独立处理，就像 Memcache 一样，已经等不及要去开发和测试了，封住所以批评者的嘴。
Redis 这些年不断的增加新功能和优化改进，让它变得更灵活场景适应性更多的同时，也让我们在使用时需要更细致的思考，不是它...