All Questions

1326
votes
28answers
559540 views

Disabling Chrome cache for website development

I am modifying a site's appearance (CSS modifications) but can't see the result on Chrome because of annoying persistent cache. I tried Shift+refresh but it doesn't work. How can I disable the cache ...
129
votes
4answers
50615 views

Where to read console messages from background.js in a Chrome extension?

I just started out with Google Chrome extensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error message...
5
votes
3answers
1288 views

Google Chrome / Firefox do not see extension output in console

I am trying to test sample code for web extension for browsers. But, it doesn't work. I checked the console for Google Chrome and also for Firefox. It doesn't print anything. The following is my code:...
491
votes
7answers
515507 views

View HTTP headers in Google Chrome?

Till 9.x, the headers were under the resources in the Developer Tools, but now I can't find it anywhere.
1312
votes
28answers
452362 views

How do I debug Node.js applications?

How do I debug a Node.js server application? Right now I'm mostly using alert debugging with print statements like this: sys.puts(sys.inspect(someVariable)); There must be a better way to debug. I...
988
votes
11answers
413119 views

jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)

I'm seeing error messages about a file, min.map, being not found: GET jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found) Screenshot Where is this coming from?
1494
votes
8answers
217181 views

How does Facebook disable the browser's integrated Developer Tools?

So apparently because of the recent scams, the developer tools is exploited by people to post spam and even used to "hack" accounts. Facebook has blocked the developer tools, and I can't even use the ...
360
votes
11answers
481813 views

How do you launch the JavaScript debugger in Google Chrome?

When using Google Chrome, I want to debug some JavaScript code. How can I do that?
15
votes
1answers
13015 views

After calling chrome.tabs.query, the results are not available

I'm creating (learning) an extension for Google Chrome. To debug some code, I inserted console.log(), as follows: var fourmTabs = new Array(); chrome.tabs.query({}, function (tabs) { for (var i ...
17
votes
2answers
12252 views

Why does my XPath query (scraping HTML tables) only work in Firebug, but not the application I'm developing?

This is meant to provide a canonical Q&A to all that similar (but much too specific questions to be a close target candidate) popping up once or twice a week. I'm developing an application that...

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