It’s not AJAX, unless people are using the term improperly. As its name suggests, SSJS is JavaScript that runs on the server, interpreted by a standalone (i.e., browser-independent) JavaScript engine, like SpiderMonkey. Why bother? Well, one area I currently see it underutilized in is in data validation. With SSJS you write one piece of code … Read more
Send a redirect response with the cookie set; when processing the (special) redirected URL test for the cookie – if it’s there redirect to normal processing, otherwise redirect to an error state. Note that this can only tell you the browser permitted the cookie to be set, but not for how long. My FF allows … Read more
Exit code 143 means that your process was terminated by a SIGTERM. This is generally sent when you do any commands that require your dynos to restart (config:set, restart, scale down…).
Can you not just loop through the sheets from 0 to Count of names -1? that way you should get them in the correct order. Edit I noticed through the comments that there are a lot of concerns about using the Interop classes to retrieve the sheet names. Therefore here is an example using OLEDB … Read more
You can use the npm modules jsdom and htmlparser to create and parse a DOM in Node.JS. Other options include: BeautifulSoup for python you can convert you html to xhtml and use XSLT HTMLAgilityPack for .NET CsQuery for .NET (my new favorite) The spidermonkey and rhino JS engines have native E4X support. This may be … Read more
We had a situation where we needed to persist the URL hash across ASP.Net post backs. As the browser does not send the hash to the server by default, the only way to do it is to use some Javascript: When the form submits, grab the hash (window.location.hash) and store it in a server-side hidden … Read more
It’s evented asynchronous non-blocking I/O build ontop of V8. So we have all the performance gain of V8 which is the Google JavaScript interpreter. Since the JavaScript performance race hasn’t ended yet, you can expect Google to constantly update performance on V8 (for free). We have non-blocking I/O which is simply the correct way to … Read more
Ivo Wetzel’s answer doesn’t seem to be valid in Socket.io 0.9 anymore. In short you must now save the socket.id and use io.sockets.socket(savedSocketId).emit(…) to send messages to it. This is how I got this working in clustered Node.js server: First you need to set Redis store as the store so that messages can go cross … Read more
The copyright notice on a work establishes a claim to copyright. The date on the notice establishes how far back the claim is made. This means if you update the date, you are no longer claiming the copyright for the original date and that means if somebody has copied the work in the meantime and … Read more
Your code is split into two entirely separate parts, the server side and the client side. | ———-> HTTP request | +————–+ | +————–+ | | | | | | browser | | | web server | | (JavaScript) | | | (PHP etc.) | | | | | | +————–+ | +————–+ | client … Read more