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Why is Node.js single threaded? [closed]

...d memory is the limiting factor. In the event loop model, the loop thread selects the next event (I/O finished) to handle. So the thread is always busy (if you program it correctly of course). The event loop model as all new things seems shiny and the solution for all issues but which model to us...
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How can I remove specific rules from iptables?

...ication -D, --delete chain rulenum Delete one or more rules from the selected chain. There are two versions of this command: the rule can be specified as a number in the chain (starting at 1 for the first rule) or a rule to match. Do realize this command, like all other command(-A...
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What is the difference between static_cast and C style casting?

...situations where all that is needed is a simple conversion. The ability to select between several different casting operators of differing degrees of power can prevent programmers from inadvertently casting to an incorrect type. ...
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Dynamic Anonymous type in Razor causes RuntimeBinderException

...ject)expando; } It's very easy to use: return View("ViewName", someLinq.Select(new { x=1, y=2}.ToExpando()); Of course in your view: @foreach (var item in Model) { <div>x = @item.x, y = @item.y</div> } ...
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What is the meaning of “$” sign in JavaScript

...ipt libraries copied this idea. Prototype also introduced a $$ function to select elements using CSS selector. jQuery also adapted $ function but expanded to make it accept all kinds of 'selectors' to get the elements you want. Now, if you are already using Prototype in your project and wanted to ...
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Frame Buster Buster … buster code needed

... This answer or mine should be selected :) – user1646111 Sep 2 '13 at 12:12 ...
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S3 - Access-Control-Allow-Origin Header

...ence from Amazon about that. Pretty much, just go to your bucket, and then select "Properties" from the tabs on the right, open "Permissions tab and then, click on "Edit CORS Configuration". Originally, I had < AllowedOrigin> set to *. Just change that asterisk to your URL, be sure to include ...
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What RSA key length should I use for my SSL certificates?

...they seemed vague or out dated so I did a little digging. Bottom line the selected answer is correct use "2048-bit keys... longer is meaningless". Increasing the bit length to 4096 adds a potentially meaningful load to your server (depending on your existing load) while offering basically an insig...
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Get next / previous element using JavaScript?

...Name("div"); //divs now contain each and every div element on the page var selectionDiv = document.getElementById("MySecondDiv"); So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous +1 = next within bounds for(var i = 0; i < divs.le...
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How to version control a record in a database

...tDate of the second record. When you want to view the current record, you select the one where endDate is null. This is sometimes called a type 2 Slowly Changing Dimension. See also TupleVersioning share | ...