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How to impose maxlength on textArea in HTML using JavaScript
...'t using jQuery, I thought I'd add one in for anyone finding this page via Google and looking for a jQuery-esque solution:
$(function() {
// Get all textareas that have a "maxlength" property.
$('textarea[maxlength]').each(function() {
// Store the jQuery object to be more ...
Algorithm to get the excel-like column name of a number
...\Cell\Coordinate::stringFromColumnIndex(1);
Note index 0 results in 'Z'
https://phpspreadsheet.readthedocs.io/en/develop/
The correct answer (if you use PHPExcel Library) is:
// result = 'A'
$columnLetter = PHPExcel_Cell::stringFromColumnIndex(0); // ZERO-based!
and backwards:
// result =...
What are the security risks of setting Access-Control-Allow-Origin?
...and TLS client certificates.
Eg: Data protected by cookies is safe
Imagine https://example.com/users-private-data, which may expose private data depending on the user's logged in state. This state uses a session cookie. It's safe to add Access-Control-Allow-Origin: * to this resource, as this header...
How to store a command in a variable in a shell script?
...lue")
curl "${curlArgs[@]}"
Another example,
payload='{}'
hostURL='http://google.com'
authToken='someToken'
authHeader='Authorization:Bearer "'"$authToken"'"'
now that variables are defined, use an array to store your command args
curlCMD=(-X POST "$hostURL" --data "$payload" -H "Content-Type:appl...
What's the correct way to communicate between controllers in AngularJS?
...dress the problem within angular core. There's a discussion going on here: https://github.com/angular/angular.js/issues/4574
Here is a jsperf that shows how much of a perf impact $broadcastbrings to the table in a decent scenario with just 100 $scope's.
http://jsperf.com/rootscope-emit-vs-rootscop...
Font size in CSS - % or em?
...s Lee, I just tested this in IE6, IE7, Firefox 3, Safari 3, Opera 9.5, and Google Chrome, all on Windows and they all seem the same to me! <p style="font-size:0.6em;">this is a test</p> <p style="font-size:60%;">this is a test</p>
– Liam
...
How to convert an IPv4 address into a integer in C#?
...network byte order, so you need to swap it around).
For example, my local google.com is at 64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work o...
In C#, what is the difference between public, private, protected, and having no access modifier?
...
@gotoVoid Whatever you searched on Google is incorrect. According to MSDN, protected internal means that, "the type or member can be accessed by any code in the assembly in which it is declared, or from within a derived class in another assembly."
...
Best practices with STDIN in Ruby?
..._END__
#--
# Copyright (C) 2007 Fancypants, Inc.
#++
Credit to:
http://www.oreillynet.com/ruby/blog/2007/04/trivial_scripting_with_ruby.html#comment-565558
http://blog.nicksieger.com/articles/2007/10/06/obscure-and-ugly-perlisms-in-ruby
...
Can a constructor in Java be private?
...
So...former chief Java architect at Google Joshua Bloch advocates static factory methods that use private constructors (Effective Java 2nd edition)...considering his expertise with the language and his creation of the Java Collections Framework, I would say pri...