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If REST applications are supposed to be stateless, how do you manage sessions?

...ateless authentication. Google JWT for example. – geoidesic Jan 17 '18 at 15:21 1 @geoidesic: "Be...
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Counting the number of option tags in a select tag in jQuery

... The W3C solution: var len = document.getElementById("input1").length; share | improve this answer | follow | ...
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doGet and doPost in Servlets

...) method). This makes no utter sense. GET Usually, HTTP GET requests are idempotent. I.e. you get exactly the same result everytime you execute the request (leaving authorization/authentication and the time-sensitive nature of the page —search results, last news, etc— outside consideration). W...
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The cast to value type 'Int32' failed because the materialized value is null

...from u in context.User join ch in context.CreditHistory on u.ID equals ch.UserID where u.ID == userID select (int?)ch.Amount).Sum() ?? 0; This first casts to int? to tell the C# compiler that this expression can inde...
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JavaScript private methods

... You can do it, but the downside is that it can't be part of the prototype: function Restaurant() { var myPrivateVar; var private_stuff = function() { // Only visible inside Restaurant() myPrivateVar = "I can set this here!"; } ...
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Get selected value in dropdown list using JavaScript

... If you have a select element that looks like this: <select id="ddlViewBy"> <option value="1">test1</option> <option value="2" selected="selected">test2</option> <option value="3">test3</option> </select> Running this code: var e =...
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git: fatal: Could not read from remote repository

... @user61629: I know I'm late to the party, but you should consider using private/public key pairs instead of passwords. – code_dredd Apr 22 '16 at 22:06 ...
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Hide all but $(this) via :not in jQuery selector

... $(this).siblings().hide(); Traversing/Siblings share | improve this answer | follow | ...
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How to kill a process running on particular port in Linux?

... This fuser 8080/tcp will print you PID of process bound on that port. And this fuser -k 8080/tcp will kill that process. Works on Linux only. More universal is use of lsof -i4 (or 6 for IPv6). ...
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What does [object Object] mean?

...aling with jQuery objects, you might want to do alert(whichIsVisible()[0].id); to print the element's ID. As mentioned in the comments, you should use the tools included in browsers like Firefox or Chrome to introspect objects by doing console.log(whichIsVisible()) instead of alert. Sidenote: I...