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I am trying to show a Bokeh plot in Firefox. There are quite many sub-graphs (approximately 200), each showing 1-4 objects.
I am receiving in Firefox:
"A webpage is slowing down your browser."
Some notes:
After rebooting, it works fine for a couple of times.
I am behind a corporate proxy. I ask myself if it may be the cause. Some JavaScript and CSS is being loaded from cnb.pydata.com.
It sounds like your Firefox version is having issues with said webpage. Although I'd say that the design of such site trying to show 200 JS driven plots seems questionable.
As far as I know, there is little that you can do besides updating Firefox, they have been busy lately improving many elements of performance, or trying another browser with better JS performance like Chrome.
If you're in a corporate network it might be many not possible for you to upgrade or install, then you have to go to you IT department looking for help.
Now, since you're generating the HTML with the graphs, perhaps would it be a better idea for you to make a "dashboard" where you show a few and then use dropdown menus or sliders to control which plots are shown at any given time. I've seen solutions using using bokeh itself to do so, or if you want eventually somethign fancier you can also use flask.
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I can't use drag and drop method. I have gone through the jquery pinify plugin, but what I understood is that, it only encourage user to pin website using drag and drop using intelligent popups rather than doing it on it's own.
Is this even possible?
No luckily this is not possible.
Imagine the security reasons behind it. No website can change something on your OS. (At least that's what we all hope, that's why I say "luckily" we have a problem if this would not be like so).
Or imagine this: You create a website. The font is defined by designers and project managers which discussed which font and which font-size will be the best to represent the company on the web. So you created the website based on those requirements. But now, I have some issues with my eyes. This is why I setup my browser with a default font-size. This is what I need, to read any content from the web. Now, NO! You can not change this! Why? Because I have set something in my browser settings, also those are part of my "personal" settings. You can not look into them and you obviously can not change them. Hope this helps.
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I'm working on a web-based augmented reality project based on THREE.js and AR.js.
The problem I'm facing is that when the "marker" is off my camera, the augmented reality image dissapears or get stuck to the side of my screen.
Vuforia version 2.8 has solved this problem. Vuforia SDK 2.8: Now with Extended Tracking
Does similar kind of solution exist for web augmented reality using AR.js?
Sorry, this is not possible. Somebody asked pretty much the same question on the GitHub tracker of AR.js:
Honestly, if you want to be able to have AR content without marker
images constantly present within view of the camera, there's really
only one alternative: SLAM-based AR. e.g. ARKit or ARCore (formerly
Tango). These API's are not available for browser, but if you're
interested in WebAR without markers, look into:
https://github.com/google-ar/WebARonARCore
https://github.com/google-ar/WebARonARKit
Otherwise, this is your best
option if you can handle having markers in view of the camera 100% of
the time (if that's what you're asking about). p.s. I've not tried
AR.js w/ multi-marker images yet (I've since moved away from it in
favor of the above).
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My web page loads up quickly but takes time on the frontend to render.
I have a lot of JS CSS and images on the page.
I have gone to Google PageSpeed insights and in terms of network connections etc. the page is good.
Yes it does mention to minify static resources (JS/CSS/HTML) on the server. But will that improve page redraw.
I need faster rendering times. How do I make this possible?
csstriggers is a handy reference by Paul Lewis list down all the css/style rules that affects paint, layout & composite.
Google Developers recommendations are:
Use efficient CSS selectors
Avoid CSS expressions
Put CSS in the document head
Specify image dimensions
Specify a character set
Details in Optimize browser rendering
Chrome dev tools can help with profiling and finding bottle necks here is a guide and another one.
If you do have time check Crash course on web performance (Fluent 2013) it's so interesting and worth every second, if you want just the rendering part see:
Delivering 60 FPS in the browser
Critical rendering path
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After a week of coding finally have my site working across all browsers and mobile devices. I made the mistake of not viewing in IE8 and IE 7 until now.
Can anyone share some steps in resolving IE7-8 compatibility issues when using jQuery and CSS?
What are some first steps to try?
If a site isn't too complex does it make sense to do server side detection and serve up an IE only site?
There should be few if any issues in jQuery - thats one of the big benefits to using jQuery or a similar library in the first place. Chances are if there is a js issue then its something you wrote as opposed to something internal to jQuery.
In both cases the bets thing to do is simply know the majority of the big things that differ in support. the Quirksmode.org compatibility tables are good for this. If you know the differences in the first place you are going to be able to create solutions up front before you ever get to testing and avoid the issues. Beyond that test cross-browser early on in the process - not at the last minute.
Depends on what problems you are running into. There are a lot of resources, such as PositionIsEverything or HasLayout, on the web complaining about & explaining different IE bugs (peekaboo, double margin etc).
It is useful to use a tool such as IETester to see your page on actual IE versions.
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I know this has been asked before but I'd like to ask it here and see what happens.
What do Google's developers use to implement their sites like http://translate.google.com/ for instance. When I look at the source of the page, I'm not immediately seeing anything GWT.
I've been working on a few GWT projects and my experiences with it have been mixed. The advantages are obvious, and I've created dynamic scheme making client-server communication even more transparent. But the downsides have been nagging PITA pretty much. Erroneous hard to find anomalies. Slow building process (I'm familiar with the optimizations and tuning to improve development cycles). Layout hell (css). Plus problems developing for mobiles. No devmode, need various tricks to let me debug and probe inner state. Problems with specific mobiles (eg. Acer A500 disappearing keyboard problem). Mobiles not scaling UI properly. The list of issues goes on and on.
I have the feeling that Google is perfectly well aware of the pitfalls of GWT and use something much better internally for their own apps. Does anyone know how they develop their sites?
The admin pages for Adwords is as far as I know done with GWT, as was wave.
For some projects they have used the Closure library
Gmail is one of these I think.