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Why is it said that “HTTP is a stateless protocol”?
...ecial meaning to their arriving over the same socket. That is solely a performance thing, intended to minimize the time/bandwidth that'd otherwise be spent reestablishing a connection for each request.
As far as HTTP is concerned, they are all still separate requests and must contain enough inform...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...MVC controller method, simply use the JSON.stringify({ 'things': things }) format.
I hope this helps someone else!
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Textarea Auto height [duplicate]
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Simple Inline JS solution <textarea class="form-control" onkeyup="$(this).height(5);$(this).height($(this).prop('scrollHeight'))"></textarea>
– jackkorbin
Jun 26 '17 at 7:22
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How to escape a JSON string containing newline characters using JavaScript?
I have to form a JSON string in which a value is having new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery.
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How does cookie based authentication work?
...and value in the dictionary item, so only the server can make use of the information. So then cookie would be secure.
A browser will save the cookies set by the server. In the HTTP header of every request the browser makes to that server, it will add the cookies. It will only add cookies for the ...
How do I get the find command to print out the file size with the file name?
...use a version of 'ls' or 'wc' to print out the filename along with other information. 'man find' will show you the available arguments to printf, which can do a lot more than just filesize.
[edit] -printf is not in the official POSIX standard, so check if it is supported on your version. However, m...
How can I tell which homebrew formulae are upgradable?
I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several times without running brew upgrade , how do I get a list of all apps that could be upgraded?
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For-each over an array in JavaScript
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If the length of the array won't change during the loop, and it's in performance-sensitive code (unlikely), a slightly more complicated version grabbing the length up front might be a tiny bit faster:
var index, len;
var a = ["a", "b", "c"];
for (index = 0, len = a.length; index < len; ...
Fully custom validation error message with Rails
...o know which column the error is about, so I can display it at the correct form field.
– panzi
Feb 27 '13 at 18:34
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Calling method using JavaScript prototype
...a "do" property, it does not look up the prototypal chain.
The classical form of inheritance in Javascript is awkard, and hard to grasp. I would suggest using Douglas Crockfords simple inheritance pattern instead. Like this:
function my_class(name) {
return {
name: name,
do: f...