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How to read a large file line by line?
...ould stop without reaching the end of file. The Example #1 on this URL php.net/manual/en/function.fgets.php suggests that fgets sometimes can return boolean false even though end of file has yet not been reached. In the comment section on that page people report that fgets() doesn't always return co...
Why do Twitter Bootstrap tables always have 100% width?
...
If you're using Bootstrap 4, use .w-auto.
See https://getbootstrap.com/docs/4.1/utilities/sizing/
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...ctions to install an extension. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !...
Large Numbers in Java
...t instead of BigInteger to calculate Pi to an arbitrary number of digits.
https://benchmarksgame-team.pages.debian.net/benchmarksgame/program/pidigits-java-2.html
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The 'packages' element is not declared
...find a copy of the nuspec.xsd here as it seems to no longer be available:
https://gist.github.com/sharwell/6131243
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In jQuery, how do I get the value of a radio button when they all have the same name?
...$('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table>
<tr>
<td>Sales Promotion</td>
<td><input type="radio" name="q12_3" value="1">1&...
Preloading images with JavaScript
...f an array of URLs to images to be preloaded with callback on all is done:
https://jsfiddle.net/4r0Luoy7/
function preloadImages(urls, allImagesLoadedCallback){
var loadedCounter = 0;
var toBeLoadedNumber = urls.length;
urls.forEach(function(url){
preloadImage(url, function(){
l...
How to hide “Showing 1 of N Entries” with the dataTables.js library
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Why is the standard session lifetime 24 minutes (1440 seconds)?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
HTTP error 403 in Python 3 Web Scraping
...ed by Stefano Sanfilippo
from urllib.request import Request, urlopen
url="https://stackoverflow.com/search?q=html+error+403"
req = Request(url, headers={'User-Agent': 'Mozilla/5.0'})
web_byte = urlopen(req).read()
webpage = web_byte.decode('utf-8')
The web_byte is a byte object returned by the ...