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• Control-Backspace (unix-kill-rubout) for readline?

  - by Xepoch

  In readline(3) I should be able to map Control-Backspace to the same function as Control-W (unix-kill-rubout). Regardless of what I put in ~/.inputrc I'm unable to get this to be recognized. \C-\b: unix-kill-rubout ...for instance does not work. Can I map Control-Backspace to the unix-kill-rubout in readline?

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• Mac OSX: Scroll half a page

  - by Eddy

  I am no longer using the trackpad on my macbook and using a separate wired apple keyboard instead. I miss the scrolling functionality on my trackpad, I'm having to make do with the keyboard (the mouse is too far away for efficient scrolling). Is there a way to map a key combination (such as cmd+pagedown) such that I scroll up/down half a page instead of a full page? Even better, is there a way to map key combinations to arbitrary scrolling distances? Thanks for your time

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• Windows 7 - svchost high cpu usage.

  - by Leonardo

  Hey guys! I'm having a problem with windows 7 x64 i though it was slow and all then i saw that the cpu usage was always around 80% and started digging through google. there's two svchost consuming around 30% each and in the resources monitor there's a system interrupts consuming 45% all the time, i trid closing the aplications and makes no diference. so i tried some other things that i've found on gloogle like disable system update but didn't work. i'd love some help here. i don't know if it will help but here's my specs: Core 2 duo 4400 ATI radeon 4850 4gb ram DDR2 thanks anyway for your attention :) EDIT So i run the program and i got this info, did i get it right? EDIT As you asked here it is, did i get it right now? the other tcp/ip there's nothing. thanks again! :D EDIT I tried somthing here, i run msconfig and took the services that one of the svchost was using out of the startup and now my cpu is around 50%, but i still would like to make this better, i can't lose that much cpu power just because windows... thanks. EDIT yeah there's nothing i can do here, going to install xp for a while, it's really weird...

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• Break all hardlinks within a folder

  - by Georges Dupéron

  I have a folder which contains a certain number of files which have hard links (in the same folder or somewhere else), and I want to de-hardlink these files, so they become independant, and changes to their contents won't affect any other file (their link count becomes 1). Below, I give a solution which basically copies each hard link to another location, then move it back in place. However this method seems rather crude and error-prone, so I'd like to know if there is some command which will de-hardlink a file for me. Crude answer : Find files which have hard links (Edit: To also find sockets, etc. that have hardlinks, use find -not -type d -links +1) : find -type f -links +1 A crude method to de-hardlink a file (copy it to another location, and move it back) : Edit: As Celada said, it's best to do a cp -p below, to avoid loosing timestamps and permissions. Edit: Create a temporary directory and copy to a file under it, instead of overwriting a temp file, it minimizes the risk to overwrite some data, though the mv command is still risky (thanks @Tobu). # This is unhardlink.sh set -e for i in "$@"; do temp="$(mktemp -d ./hardlnk-XXXXXXXX)" [ -e "$temp" ] && cp -ip "$i" "$temp/tempcopy" && mv "$temp/tempcopy" "$i" && rmdir "$temp" done So, to un-hardlink all hard links (Edit: changed -type f to -not -type d, see above) : find -not -type d -links +1 -print0 | xargs -0 unhardlink.sh

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• Network Diagramming software options?

  - by Zak

  I've used The Dude to map my network, but I can only export the network map as a graphics file. I've also used Dia and Vision to manually diagram portions of my network. Does anyone out there have a solution where I can do automatic network mapping using a tool like "The Dude", then pull that file over to a manually editable format for cleaning up and/or enhancing in Visio or Dia?

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• Assign a drive letter to a Solaris disk in a Windows box

  - by Cat

  I need some way to map a UFS Solaris drive (ie, assign a drive letter to it) while it is in a Windows XP box. I've found utilities that will let me transfer files from a Solaris disk to a NTFS disk on the Windows box, but nothing that will let me map/share that Solaris disk. And no, putting the Solaris disk in a Solaris box and using something like Samba to share the disk is unfortunately not an option. Cat

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• ESXi 5 Guests will not boot

  - by Adrian

  I have a problem with Guests not booting under VMWare ESXi 5.0 on my IBM x3550M3 server. Note: Investigation eventually determined that problem was with the VMware client on a Lenovo Edge laptop, the only Windows box available in a Linux IT shop. vSphere Client v4 and v5 duplicated behavior on the Lenovo Edge. As indicated in the comment to the accepted answer, replacing the workstation with one using different video was the "fix" for this particular issue. The ESXi host boots just fine. The Client connects just fine. Guests can be configured but do not successfully boot. The initial guest memory consumption jumps up to 560MB and drops down to 40MB after a few seconds. Initial CPU usage is 1 full CPU (3000Ghz per the chart) and immediately drops downm to 29Mhz. Guests do not display any output in the Console tab but show a state of 'Powered On'. No errors in the Events tab. Switching Guest from BIOS to EFI makes no difference. VMs are listed as Version 7 and the behavior is duplicated across all availabled Guest OS flavors. Problem also duplicated when server is booted up in Legacy Only mode. Logs do not contain anything particularly suspicious. Edit: No firewalls, routers, or VLANs in between the client and server. Edit 2: We have tried to Boot Guest into BIOS screen at Next Boot checkbox in the Guest Setting. Was not successful. Edit 3: 500GB datastore with 1 40GB VM on it. Plenty of space. Edit 4: Guests copied from my old ESXi 4 server DO NOT boot on the ESXi 5 system. Initially it complains about too little Video RAM being configured for the default 2500x1600, but it still doesn't work properly even after I bump the Video RAM settings or switch it to Auto-Detect.

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• Webserver Responses Hanging

  - by drscroogemcduck

  From some networks requesting certain images on our webserver is very flakey. I've looked at tcpdumps on both sides and the server sends back part of the file and the client ACKs the TCP packet but the server never receives the ACK. The servers view: 41 19.941136 212.169.34.114 209.20.73.85 TCP 52456 > http [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=2 42 19.941136 209.20.73.85 212.169.34.114 TCP http > 52456 [SYN, ACK] Seq=0 Ack=1 Win=5440 Len=0 MSS=1360 46 20.041142 212.169.34.114 209.20.73.85 TCP 52456 > http [ACK] Seq=1 Ack=1 Win=65280 Len=0 47 20.045142 212.169.34.114 209.20.73.85 HTTP GET /map/map/s+74-WBkWk0aR28Yy-YjXA== HTTP/1.1 48 20.045142 209.20.73.85 212.169.34.114 TCP http > 52456 [ACK] Seq=1 Ack=522 Win=6432 Len=0 49 20.045142 209.20.73.85 212.169.34.114 TCP [TCP segment of a reassembled PDU] (Part of the content of the image 2720 bytes. i assume it is reassembled in tcpdump and it is fragmented over the wire.) ** never receives the ACK sent in frame 282 and will eventually resend the tcp segment ** The clients view: 274 26.161773 10.0.16.67 209.20.73.85 TCP 52456 > http [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=2 276 26.262867 209.20.73.85 10.0.16.67 TCP http > 52456 [SYN, ACK] Seq=0 Ack=1 Win=5440 Len=0 MSS=1360 277 26.263255 10.0.16.67 209.20.73.85 TCP 52456 > http [ACK] Seq=1 Ack=1 Win=65280 Len=0 278 26.265193 10.0.16.67 209.20.73.85 HTTP GET /map/map/s+74-WBkWk0aR28Yy-YjXA== HTTP/1.1 279 26.365562 209.20.73.85 10.0.16.67 TCP http > 52456 [ACK] Seq=1 Ack=522 Win=6432 Len=0 280 26.368002 209.20.73.85 10.0.16.67 TCP [TCP segment of a reassembled PDU] (Part of the content of the image. Only 1400 bytes.) 282 26.571380 10.0.16.67 209.20.73.85 TCP 52456 > http [ACK] Seq=522 Ack=1361 Win=65280 Len=0 The network we are having trouble with is NATd. Is there any kind of explanation for this weirdness?

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• Mac OS X missing disk

  - by leo

  In boot camp, it only see partition size to be 149G while disk utility shows only one partition with size 320G. Why diskutil and df gives me different sizes? Also how can i fix it? thanks df -h Filesystem Size Used Avail Capacity Mounted on /dev/disk0s2 **149Gi 20Gi 129Gi 14% /** devfs 110Ki 110Ki 0Bi 100% /dev map -hosts 0Bi 0Bi 0Bi 100% /net map auto_home 0Bi 0Bi 0Bi 100% /home and diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme ***320.1 GB disk0** 1: EFI 209.7 MB disk0s1 2: Apple_HFS Mac HD 319.6 GB disk0s2

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• Nginx settings are screwing up my Drupal form submissions, how do I fix?

  - by bflora

  How do I tell Nginx to "ignore" specific URLS or pages on my web site? I run a Drupal site where anonymous visitors get served via NGINX while logged in users get served via Apache. We do this to keep the load down and scale better. It works great, except, since we set up nginx, a good number of Drupal forms no longer work. For example, before installing Nginx, if you created a new article, then clicked "edit" and edited the article. You could click "save" and your changes to the article would be saved. After setting up nginx, when you make edits and then click "save," the page simple refreshes, but now with "nginx-index.php" inserted into the URL. And your changes to the form were not actually saved to the database. So if you go to edit an article, you'll be on domain.com/node/##/edit or something like that. When you try to save your changes to the form, you'll wind up at domain.com/nginx-index.php?q=node/##/edit. And your changes will not be saved. There is a way around this, but only for administrative users. If you go to a form where this problem is happening, then comment or comment-out three lines in our settings.php file, the form will save properly. Those three lines are: // 'cache_form' = array( // 'engine' = 'db', // ), If they're commented, you uncomment them, them save the form. If they're uncommented, you comment them out and save the form. Obviously, this sucks. My friend who set up our server (and then left the country) told me that there are some Nginx settings that can tell it to "ignore" certain URLs or pages which could work here. How do I do this and where do I do it?

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• Cisco - Zone Policy Actions (pass, inspect, drop, log) - What is the difference?

  - by Jonathan Rioux

  Have these commands for instance: policy-map type inspect IN-OUT_PlcyMAP class type inspect IN-OUT_ClassMAP inspect <------ policy-map type inspect IN-OUT_PlcyMap class type inspect IN-OUT_ClassMAP pass <------ zone security INSIDE zone security OUTSIDE zone-pair security IN->OUT source INSIDE destination OUTSIDE service-policy type inspect IN-OUT_PlcyMAP What is the difference between "inspect", "pass", "drop", "log", and "reset ? I could not found any information on this on Google.

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• What are the ways to build a failover cluster?

  - by light

  I have a task where I need to build a failover cluster in two cases: first with servers on Red Hat Enterprise 5.1 and second with SUSE Linux Enterprise 11 SP1. Both cases have SAN. I know there are many ways to build failover cluster, but I can’t find out more, so I need next: The ways to build it? I know only virtualization. Any good book or resource to broad my mind? I’ll be glad to hear any suggestion. Thanks! EDIT #1: failover of servers with bussiness application on it. EDIT #2: will be great to hear summary about solutions with SLES servers? EDIT #3: So if I understand correctly, in my cases the main ways are to use internal solutions or virtualization. So now I have additional questions: Does manufacturer of blades provide some solution? For example HP or IBM. (Without virtualization) Do I need additional server to control "heartbeat" between main and redundant servers? (Virtualization) For example I have several physical servers with VMs. Do I need additional server to control availability of VMs and to move VMs to another physical server in the case their physical server failure? Sorry for my poor English. EDIT #4: Failover of VM or OS on physical server. In both cases will be used SAN , it's not specified, but I think with file system image on it. I started to think that my question is stupid and I need to remake it.

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• "Enumeration yielded no results" When using Query Syntax in C#

  - by Shantanu Gupta

  I have created this query to fetch some result from database. Here is my table structure. What exaclty is happening. DtMapGuestDepartment as Table 1 DtDepartment as Table 2 Are being used var dept_list= from map in DtMapGuestDepartment.AsEnumerable() where map.Field<Nullable<long>>("GUEST_ID") == DRowGuestPI.Field<Nullable<long>>("PK_GUEST_ID") join dept in DtDepartment.AsEnumerable() on map.Field<Nullable<long>>("DEPARTMENT_ID") equals dept.Field<Nullable<long>>("DEPARTMENT_ID") select dept.Field<string>("DEPARTMENT_ID"); I am performing this query on DataTables and expect it to return me a datatable. Here I want to select distinct department from Table 1 as well which will be my next quest. Please answer to that also if possible.

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• ASP FPDF, problem with inserting image

  - by Dels

  Hi there, I have some problem with inserting image when i generate pdf using FPDF library (ASP port version) you can get it here ASP FPDF I have tried this code (this was ASP VBScript): pdf.Image Server.MapPath("map.jpg"), 10, 10, 800, 400 pdf.Image "map.jpg", 10, 10, 800, 400 pdf.Image "http://localhost/pdf_test/map.jpg", 10, 10, 800, 400 None of the codes above work... it keeps throw an error: Microsoft JScript runtime error '800a138f' Object expected /pdf/libs/fpdf.asp, line 817 And from fpdf.asp line 817 (This was ASP JScript): type=SupposeImageType(xfile); However, without inserting image(s) a.k.a text-only pdf it works fine. Can someone help me fix this thing? Thanks Dels

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• Google Maps v3, custom control with textbox: can't perform input

  - by Mike Sviridoff

  Hi, I am trying to add a custom control to my google map (v3): want to have search box just near the other map controls. So I add a div with <input type="textbox"> on it, and it's being shown on the map. But the porblem is that the textbox is inaccessible: i can't type anything inside it, or even focus on it. function SearchBox() { var searchTextBox = $('<input type="text" id="txtGeoSearch" />'); var div = $('<div class="geoSearchBox"></div>') .append($('<span>Search:</span>')) .append(searchTextBox); return div.get(0); } // inside init() geoMap.controls[google.maps.ControlPosition.TOP_LEFT].push(new SearchBox()); So what should I do to make my textbox behave like normal one?

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• Automapper use in a MVVM application

  - by Echiban

  I am building a MVVM application. The model / entity (I am using NHibernate) is already done, and I am thinking of using AutoMapper to map between the ViewModel and Model. However this clause scares the jebus out of me: (from http://www.lostechies.com/blogs/jimmy_bogard/archive/2009/01/22/automapper-the-object-object-mapper.aspx) Blockquote AutoMapper enforces that for each type map (source/destination pair), all of the properties on the destination type are matched up with something on the source type To me, the logical choice is to map from model to viewmodel, (and I'll let viewmodel manually assign to model), but the quote basically kills the idea since the viewmodel will definitely have properties that don't exist on the model. How have you been using Automapper in a MVVM app? Please help!

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• Java List use through use of JSTL <c:forEach>

  - by Mark Lewis

  Hello If I have a JSF backing bean return an object of type ArrayList, I should be able to use to iterate over the elements in the list. Each element contains a map and although the question of how to access the map content through JSTL has been answered here, if I pass an array of such maps, I can't find how to iterate over them and still access the map content using JSTL. There's documentation which refers to simple iterators but not to those whose items are themselves maps. BalusC, I'm not trying to force the issue, just that I've been looking at this all day, and still cannot seem to be able to output the contents of my data structure through jsp (only on the console). This as a separate question still has merit. If anyone can give me a simple example of how a java List is iterated over in JSP I'd be massively appreciative. Mark

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• How to get markers after calling drive directions in Google Maps API?

  - by Ivan Rocha

  Hi all, I just started working using Google Maps API yesterday, and trying to set up drive directions to my map. My problem is: when I call the function load, [...] gdir = new GDirections(map, directionsPanel); [...] gdir.load("from: " + fromAddress + " to: " + toAddress); it returns a map whose markers are not draggable. So, I need to make them draggable in order to recalculate the directions, but I can't get the markers objects. Someone knows how can I do it? Thanks, Ivan.

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• Google Maps API v3: Can I setZoom after fitBounds?

  - by chris

  I have a set of points I want to plot on an embedded Google Map (API v3). I'd like the bounds to accommodate all points unless the zoom level is too low (i.e., zoomed out too much). My approach has been like this: var bounds = new google.maps.LatLngBounds(); // extend bounds with each point gmap.fitBounds(bounds); gmap.setZoom( Math.max(6, gmap.getZoom()) ); This doesn't work. The last line "gmap.setZoom()" doesn't change the zoom level of the map if called directly after fitBounds. Is there a way to get the zoom level of a bounds without applying it to the map? Other ideas to solve this?

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• Google Maps Api v3 - getBounds is undefined

  - by Via Lactea

  Hi All, I'm switching from v2 to v3 google maps api and got a problem with gMap.getBounds() function. I need to get the bounds of my map after its initialization. Here is my javascript code: var gMap; $(document).ready( function() { var latlng = new google.maps.LatLng(55.755327, 37.622166); var myOptions = { zoom: 12, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; gMap = new google.maps.Map(document.getElementById("GoogleMapControl"), myOptions); alert(gMap.getBounds()); So now it alerts me that gMap.getBounds() is undefined. I've tryed to get getBounds values in click event and it works fine for me, but I cannot get the same results in load map event. Also getBounds works fine while document is loading in Google Maps API v2, but it fails in V3. Could you please help me to solve this problem?

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• Using NHibernate with an EAV data model

  - by devonlazarus

  I'm trying to leverage NH to map to a data model that is a loose interpretation of the EAV/CR data model. I have most of it working but am struggling with mapping the Entity.Attributes collection. Here are the tables in question: -------------------- | Entities | -------------------- | EntityId PK |-| | EntityType | | -------------------- | ------------- | V -------------------- | EntityAttributes | ------------------ --------------------------- -------------------- | Attributes | | StringAttributes | | EntityId PK,FK | ------------------ --------------------------- | AttributeId FK | -> | AttributeId PK | -> | StringAttributeId PK,FK | | AttributeValue | | AttributeType | | AttributeName | -------------------- ------------------ --------------------------- The AttributeValue column is implemented as an sql_variant column and I've implemented an NHibernate.UserTypes.IUserType for it. I can create an EntityAttribute entity and persist it directly so that part of the hierarchy is working. I'm just not sure how to map the EntityAttributes collection to the Entity entity. Note the EntityAttributes table could (and does) contain multiple rows for a given EntityId/AttributeId combination: EntityId AttributeId AttributeValue -------- ----------- -------------- 1 1 Blue 1 1 Green StringAttributes row looks like this for this example: StringAttributeId AttributeName ----------------- -------------- 1 FavoriteColor How can I effectively map this data model to my Entity domain such that Entity.Attributes("FavoriteColors") returns a collection of favorite colors? Typed as System.String?

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• Problem with UTF-8

  - by Pablo Fernandez

  I'm using castor as an OXM mapper, and I'm having a problem with UTF-8 encoding. The code here shows the issue: //Marshaller configuration ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStreamWriter os = new OutputStreamWriter(baos, UTF_8); Marshaller marshaller = new Marshaller(os); marshaller.setSuppressXSIType(true); //Mappings configuration Mapping map = new Mapping(); map.loadMapping(MarshallingService.class.getResource(MAPPINGS_PATH)); marshaller.setMapping(map); //Example //BEFORE MARSHALLING: This prints correctly the UTF-8 Chars object.getName() ; marshaller.marshal(object); //AFTER MARSHALLING: This returns the characters like \435\235\654\345 return baos.toString(UTF_8);

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• gmaps4rails version 2 build method

  - by BrainLikeADullPencil

  I installed gmaps4rails for my Rails app, ran the generator, and required the two files like this in my application.js file, along with underscore.js //= require underscore //= require gmaps4rails/gmaps4rails.base //= require gmaps4rails/gmaps4rails.googlemaps adding, as instructed on github https://github.com/apneadiving/Google-Maps-for-Rails, these dependencies in layout.html.erb When I tried to create the demo map from the github page with this code, I got an error that the object doesn't have a build method. Uncaught TypeError: Object # has no method 'build' handler = Gmaps.build('Google'); handler.buildMap({ provider: {}, internal: {id: 'map'}}, function(){ markers = handler.addMarkers([ { "lat": 0, "lng": 0, "picture": { "url": "https://addons.cdn.mozilla.net/img/uploads/addon_icons/13/13028-64.png", "width": 36, "height": 36 }, "infowindow": "hello!" } ]); handler.bounds.extendWith(markers); handler.fitMapToBounds(); }); Indeed, when I look inside the base file that I require in the manifest file there is no build method for that object. How does one create a map in the new version for gmaps4rails?

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• Subclass of Subclass fluent nHibernate

  - by Xavier Hayoz

  Hi all My model looks like this: public class SelectionItem : BaseEntity // BaseEntity ==> id, timestamp stuff {//blabla} public class Size : SelectionItem {//blabla} public class Adultsize : Size {//blabla} I would like to use class-hierarchy-per-table-method of fluent nhibernate public class SelectionItemMap : BaseEntityMap<Entities.SelectionItem.SelectionItem> { public SelectionItemMap() { Map(x => x.Name); Map(x => x.Picture); Map(x => x.Code); DiscriminateSubClassesOnColumn("SelectionItemType"); } } and reset a DiscriminateSubClassesOnColumn on the following subclass: public class SizeMap : SubclassMap<Size> { DiscriminateSubClassesOnColumn("SizeType") } public Adultsize : SubclassMap<Adultsize> {} But this doesn't work. I found a solution on the web: link text but this method is depreciated according to resharper. How to solve it? thank you for further informations.

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• Google maps : How to open an InfoWindow for a Polygon by clicking on it?

  - by JB

  Hello ! I have a simple question, but i can't find the answer in the Google Maps API documentation... I have a map with 13 polygons drawed by the API. Here is an exemple of one of these polygons : var zone_up_montblanc = new GPolygon([ new GLatLng(46.21270329318585, 6.134903900311617), new GLatLng(46.20538443787925, 6.136844716370282), new GLatLng(46.20525043957647, 6.141375978638086), new GLatLng(46.20698751554006, 6.148050266912262), new GLatLng(46.21110286985207, 6.153203229026629), new GLatLng(46.21730757985668, 6.151718301267355), new GLatLng(46.22092122197341, 6.153676364285801), new GLatLng(46.22615123408969, 6.149844858907489), new GLatLng(46.22851200024137, 6.149876939987202), new GLatLng(46.22945159836955, 6.142758190170017), new GLatLng(46.21735908463437, 6.141457132705133), new GLatLng(46.21753573755057, 6.138058122426195), new GLatLng(46.21270329318585, 6.134903900311617) ], "#6b1f43", 2, 0.9, "#92c87f", 0.5); then : map.addOverlay(zone_up_montblanc); Polygons appears on my map, no problem. But the thing I have to do now is to open an "InfoWindow" by clicking on each polygons (with a different content for each polygons). Did someone have an idea or an example? Thanks a lot for your help !

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