Heremaps display is intermittent - here-api

We integrated HERE map with free account. HERE map display works as expected but sometimes display does not work and the issue is intermittent. We did not find any JS issue in browser console. Our site is enabled is HTTPS and in HERE map coding, we set isSecure to true
Any one experienced HERE map intermittent display issue.?

Map display works without any specific known issues.
Most probably a connectivity issue on your side ; open the browser console and see if tiles are loading correctly. See screenshot below.
Try also on another wifi/LAN, home...

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Google Optimize: Unable to preview experience. Please make sure to enable cookies and restart the browser

I can't preview my Google Optimize experience. Google optimize throws below error:
This happens to me quite often too. The suggestion Google gives is wrong. Clearing cookies and restarting the browser does not fix it. Sometimes rebooting does, but that's a huge disruption.
What I found to work pretty reliably is to end the preview (dropdown), then click the EDIT button to go to the editor. Come back to the setup page, then try Debug again. Debugger should work again.
This is how it worked for me:
In Chrome go to Clear Browsing Data (chrome://settings/clearBrowserData).
Make sure you select checkboxes Cookies and Cached images and files.
Submit the form by hitting the button "Clear data".
Go to preview experience.
For me it started working when I gave the Google Optimize plugin access to all pages (not just the page running the experience).
I think I've found a fix for this. Go to the top right corner of chrome (the three dots) Settings > Privacy & Security > Cookies & other data > and add the url in the bottom section called "sites that can always use cookies"
Example
There can be multiple reasons.
Most obvious: enabled cookies like mentioned by others. should help
If it does not work even when cookies are enabled and you have restarted the browser then more chances are that the issue is in the Experience/Test that you are trying to preview. This can be due to:
A preview is already running in another tab. Turn off preview
2.You have set the experience to run on certain URL patterns and you are trying to preview on a page that does not qualify the criteria.
You have set some Audience rules which are not being met fully. For example: You have set the Audience Device type to mobile and you are trying to preview on a Desktop. Although Optimize will load the preview in a mobile mode but it will not be able to run the experience properly.
In my case the issue was due to wrong device type. I hope it helps.
It's also possible to get this "Unable to preview experience. Please make sure to enable cookies and restart the browser" error message if the content you're trying to modify doesn't exist when Optimize tries to modify it.
I had Optimize set to modify on page load, but the page I was working with was a form, where the text I wanted to modify didn't exist until I clicked through to the second step of the form (still on the same URL).
I was able to just run the study instead on another similar page that had all the text loaded at the start. I'd guess that setting Optimize to trigger from a custom event triggered upon loading the second step of the form instead of "on page load" would also have resolved the issue.
If you are using chrome then:
Click the context menu in the browser toolbar to the right of the
address bar.
Choose Settings.
Select/Search the "Security and Privacy" section.
Choose "Cookies and Other Site Data" Ensure that "Allow all cookies" is selected.

How to debug Backbone/Marionette

I am working on a task on asp.net and am idle on one aspx page, where it helps to increase/decrease the calendar cell, I just wanted to know the value of a variable by debugging so that , i will know what to change am new to marionette and need some help to get those values so that i can go ahead with this issue, am attaching the script.
i even searched many sites to debug the backbone, got chrome plugin to debug but of no help.
Add <%debugger%> at the top of your template. It will break an attached JavaScript debugger (such as Chrome's Dev Tools), when Underscore begins to populate the template.

Google Maps Custom Icons will not load in any Browser

I used a tutorial to make some custom icons in Google Maps API for some local places. When I am in Dreamweaver and testing on my local server, the icons appear just fine. However, when I upload to my host and try to pull the page up on any browser (safari, chrome, canary, firefox), the images do not load. The placeholders for those images do show, though. I cannot understand what the issue is as I have reloaded and rechecked the code hundreds of times. Any help with this would be appreciated. As the code is very long, I have only included some snippets and the address where it is loaded.
To see the page, go to http://www.theriveroverlook.com/Local.html
I tried to load the code using the forum rules, but no matter what, it would not allow me to put the javascript in this post!
Please let me know if you can help me! This is the last piece of the puzzle I need to load this website! I am a newbie coder so I have made a lot of beginner mistakes!
Edited to add:
Thank you for your help. When I renamed the folder, it was fixed. For some reason, it did not like the folder name "icons". Perhaps this has something to do with Google's API
I get the following errors when I load your page:
Since those are the images you are using to create your custom icons they all fail to generate and won't appear on the map. Make sure you are hosting your images correctly and it should work fine.

Google map not responding on android's native browser after 4-5 times zoom in and/or area navigation

I have developed a mobile site using Icefaces-mobile framework in that I want to search the things based on area zoomed in on the mobile screen, for this users can zoom in/out & navigates the area but the problem is after doing zoom in/out/navigations 4 to 6 times browser becomes unresponsive. I think it must be problem with browsers capability of handling/execute the javascript(correct me if I m wrong).
I have generated latest API key for map using some standers steps given by google on their forum.
Thanks in Advance.
The stock Android browser does suffer from serious limitations, and it could be device performance limitations, as the previous poster mentioned. But you should also be careful that you're not inadvertently causing a memory leak in your own JavaScript. Are there DOM updates from Ajax interactions being generated during this? Check the Android LogCat messages to see the ICEfaces/ICEmobile logging which will show the updates. Check to ensure that if you're custom function is being re-run that you're not causing a memory leak there. If not, I doubt there's an issue with the GMap code and it's likely just a device limitation. Perhaps also put your gmap code in a separate HTML page without ICEmobile and see if you still have the problem.

Nokia HERE - Mobile HTML5 Map - 404 errors

I am seeing a lot of 404 Not Found errors for the url: http://b.heatmaps.maps.svc.ovi.com/heatmaps/v2/mapsymbols.default/13/2135/3100/1024/jsonp?app_id=&app_code=&xnlp=CL_MH5v1.0.2%2CSID_92d66a5d2f7340c6ac2b1cd10c7ec89b. I can't figure out why a call is being made to that endpoint because the source is minified. Has anyone else run into this issue?
I believe that this is due to the framework requesting mini-icon images highlighting places on the map. I guess that the particular image requested is unavailable at this time. You can see the difference in the two images below (one from m.here.com, the other from an mh5app)
This is an image from m.here.com
This is the same image using the mobile HTML5 framework
It is possible to disable the download of all such items with the following:
nokia.mh5.app.controller.current.page.map._cartoPOI.deactivate()
I no longer get the 404s when I add this line.

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