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  • Network configuration problem

    - by Musti
    in my dorm I have to change network configuration and then if it is successfull, I have to enter a user name and password for wired internet connection. Anyway, I had many attempts but I couldnt achieve, and please look at my steps and tell me if there is something wrong and at the end there is an error, but I really dont have any idea about this error. (I am a new ubuntu user, and network is far away of my interests) 1) /etc/network/interfaces auto eth0 iface eth0 inet static address 172.030.014.038 netmask 255.255.255.252 network 192.168.2.0 broadcast 192.168.2.255 gateway 172.030.014.038 2) sudo gedit /etc/resolv.conf nameserver 010.050.001.001 nameserver 010.050.001.002 3) /etc/init.d/networking stop Deconfiguring network interfaces... [ OK ] 4) /etc/init.d/networking restart Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces Reconfiguring network interfaces... 172.030.014.038: Unknown host ifconfig: `--help' gives usage information. Failed to bring up eth0 Note: IP-address, netmask, gateway, Preferred DNS server and Alternate DNS server ara given by the management of Dorm. It wad very easy in windows but I couldnt achieve in Ubuntu. I also tried to edit from "edit connections" but the save button is gray and I cannot save it. Thanks in advance. / Musti

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  • how to find 3g modem signal strength with out AT commands?

    - by neckTwi
    when i try to find signal strength of my modem using AT+CSQ, the usb device is locked by the network manager. To find the signal strength with AT+CSQ i have to first disable network connection using #nmcli nm wwan off to unlock the device inode /dev/ttyUSBX. Is there any nmcli option to get signal strength or any other option? EDIT The gdbus object for NetworkManager don't have any method like getSignalStrength. Network manager is locking device file preventing to use AT commands. nm-applet was able to display signal strength in system tray. so there should be a way to get signal strength form network manager! nmcli is command line counter part of nm-applet. Can i get signal strength using nmcli? nothing about signal strength is mentioned in its man pages.

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  • More Than a Map - Ubilabs

    More Than a Map - Ubilabs In Hamburg, Germany we met with certified Google Maps API development partner Ubilabs. Ubilabs founders Michael Pletziger and Martin Kleppe showed us some of the Google Maps API driven projects they have built for Germany's largest brands such as Deutsche Telekom, Blitzer.de, and BMW. Read more on morethanamap.com #morethanamap From: GoogleDevelopers Views: 6 0 ratings Time: 01:48 More in Science & Technology

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  • Neural network input preprocessing

    - by TND
    It's clear that the effectiveness of a neural network depends strongly on the format you give it to work with. You want to preprocess it into the most convenient form you can algorithmically get to, so that the neural network doesn't have to account for that itself. I'm working on a little project that (surprise!) is going to be using neural networks. My future goal is to eventually use NEAT, which I'm really excited about. Anyway, one of my ideas involves moving entities in continuous 2D space, from a top-down perspective (this would be a really cool game AI). Of course, unless these guys are blind, they're going to be able to see the world around them. There's a lot of different ways this information could be fed into the network. One interesting but expensive way is to simply render a top-down "view" of things, with the entities as dots on the picture, and feed that in. I was hoping for something much simpler to use (at least at first), such as a list of the x (maybe 7 or so) nearest entities and their position in relative polar coordinates, orientation, health, etc., but I'm trying to think of the best way to do it. My first instinct was to order them by distance, which would inherently also train the neural network to consider those more "important". However, I was thinking- what if there's two entities that are nearly the same distance away? They could easily alternate indexes in that list, confusing the network. My question is, is there a better way of representing this? Essentially, the issue is the network needs a good way of keeping track of who's who, while knowing (by being inputted) relevant information about the list of entities it can see. Thanks!

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  • map a sub page of a domain to google sites

    - by fred
    I control a subpage of a site: economics.university.edu/summerschool I have access to CNAME, etc. However I want to use Google sites to create the site and then map the URL above to my Google site. In other words, someone on the university site that navigated to the summer school page would be redirected to the Google site transparently. However I keep getting this error from Google: "The format of the web address is unsupported." Is this possible?

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  • Gigabit network limited to 25MB/s by CPU. How to make it faster?

    - by netvope
    I have a Acer Aspire R1600-U910H with a nForce gigabit network adapter. The maximum TCP throughput of it is about 25MB/s, and apparently it is limited by the single core Intel Atom 230; when the maximum throughput is reached, the CPU usage is about 50%-60%, which corresponds to full utilization considering this is a Hyper-threading enabled CPU. The same problem occurs on both Windows XP and on Ubuntu 8.04. On Windows, I have installed the latest nForce chipset driver, disabled power saving features, and enabled checksum offload. On Linux, the default driver has checksum offload enabled. There is no Linux driver available on Nvidia's website. ethtool -k eth0 shows that checksum offload is enabled: Offload parameters for eth0: rx-checksumming: on tx-checksumming: on scatter-gather: on tcp segmentation offload: on udp fragmentation offload: off generic segmentation offload: off The following is the output of powertop when the network is idle: Wakeups-from-idle per second : 61.9 interval: 10.0s no ACPI power usage estimate available Top causes for wakeups: 90.9% (101.3) <interrupt> : eth0 4.5% ( 5.0) iftop : schedule_timeout (process_timeout) 1.8% ( 2.0) <kernel core> : clocksource_register (clocksource_watchdog) 0.9% ( 1.0) dhcdbd : schedule_timeout (process_timeout) 0.5% ( 0.6) <kernel core> : neigh_table_init_no_netlink (neigh_periodic_timer) And when the maximum throughput of about 25MB/s is reached: Wakeups-from-idle per second : 11175.5 interval: 10.0s no ACPI power usage estimate available Top causes for wakeups: 99.9% (22097.4) <interrupt> : eth0 0.0% ( 5.0) iftop : schedule_timeout (process_timeout) 0.0% ( 2.0) <kernel core> : clocksource_register (clocksource_watchdog) 0.0% ( 1.0) dhcdbd : schedule_timeout (process_timeout) 0.0% ( 0.6) <kernel core> : neigh_table_init_no_netlink (neigh_periodic_timer) Notice the 20000 interrupts per second. Could this be the cause for the high CPU usage and low throughput? If so, how can I improve the situation? The other computers in the network can usually transfer at 50+MB/s without problems. And a minor question: How can I find out what is the driver in use for eth0?

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  • Connection to openVPN Access Server

    - by Beig
    we are using an openVPN Access Server and I would like to connect to it via the VPN network setting (network-manager-openvpn). I downloaded the client.ovpn and I can connect to the server via the command line: openvpn --script-security 2 --config client.ovpn How can I add the connection to the network manager? Which (key) entry is which? User Cert, CA Cert, Private Key? Here is an example of the client.ovpn http://nopaste.info/c10ec207f2.html Thanks in advance.

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  • Using Single Image for Map in 2D Platformer

    - by Jon
    I'm fairly new to game development, and have been messing around with Slick2D. Currently, my map consists of objects that are represented as rectangles. If I wanted to use am image simlar to: How would I be able to use this image to make a level? That question is a bit vague, but like I said, I'm new to game development and am not familiar with terminology or procedures. But going along with this question, how would I also use non-rectangular objects/platforms? Thanks

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  • More Than a Map - Upande

    More Than a Map - Upande In Nairobi, Kenya, we met with Mark de Blois and Bernadette Ndege. Upande has created a variety of geospatial solutions using Google Maps and Earth for a diverse range of business clients, UN organizations, Government, Non-Governmental Organizations and the public sector. Upande project Virtual Kenya is an online geospatial platform to visualize and share data about Kenya. Read more on morethanamap.com #morethanamap From: GoogleDevelopers Views: 11 0 ratings Time: 02:05 More in Science & Technology

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  • More Than a Map #morethanamap

    More Than a Map #morethanamap Morethanamap.com also features stories from our community of developers who are using the Google Maps API to start businesses, help improve their communities or save the environment. Starting next week we'll showcase these stories weekly on the Geo Developers Blog. And follow us on Google+ to learn more. From: GoogleDevelopers Views: 305 49 ratings Time: 01:48 More in Science & Technology

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  • Silverlight - Creating Image Map with Hotspots

    Recently, I was working on a Silverlight application and one of the pages contained a graphic. One of the requirements was that the graphic should contain clickable regions (Hotspots) and display a dynamic navigation menu when clicked on. An image that contains one or more Hotspots or clickable areas is called an image map. I have put together a simple tutorial on how to get this done.

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  • More Than a Map - Epungo

    More Than a Map - Epungo In Sao Paulo, Brazil we met with Epungo founders André Tannús and Rodrigo Hanashiro. Epungo is real estate startup that is making waves in the Brazilian real estate market with their well designed site. We met up with the founders at their global headquarters (also known as their apartment living room). Read more on morethanamap.com #morethanamap From: GoogleDevelopers Views: 5 0 ratings Time: 02:30 More in Science & Technology

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  • NM applet dropdown options not working

    - by Prarobo
    I recently realized the dropdown options from my nm-applet are no longer working. But I can still control the network configuration by going through the dash. This happened very recently. I only realized this before a week. I guess some recent update screwed it up. I have these related packages installed network-manager-gnome 0.9.4.1-0ubuntu2 libnm-gtk0 0.9.4.1-0ubuntu2 network-manager 0.9.4.0-0ubuntu4.1 Any help would be great.

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  • Spring MVC - Cannot map request parameters as a Map parameter in method?

    - by Ken Chen
    What I want to do is passing a map to the method in Controller using @RequestParam, but it seems not working. While this is working in Struts 2. Below is what I am trying: In JSP using JQuery: var order = {}; order['seq'] = "ASC"; var criteria = {}; criteria['label'] = "Directory"; $.post(context + 'menu/list', {"orders" : order, "criterias" : criteria} The parameters I am trying to post is an 'map' object order and criteria for listing menu. In Java: @RequestMapping("/{collection}/list") public @ResponseBody Map<String, ? extends Object> list(@PathVariable String collection, @RequestParam("criterias") Map<String, String> criteria, @RequestParam("orders") Map<String, String> order) { However, when I print out the map criteria & order in Java, it takes all value as below: Criteria: {criterias[label]=Directory, orders[seq]=ASC} Order: {criterias[label]=Directory, orders[seq]=ASC} Can @RequestParam in Spring be used to init a Map parameter?

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  • Google Maps: How to prevent InfoWindow from shifting the map

    - by TeddyN
    Using Google Maps API v3. I noticed that if I have a map marker near the edge of my map border ... that if I click the marker icon so that the InfoWindow will display, my entire map shifts so that the markers InfoWindow is centered. I don't want my map to shift. Question: How do I prevent the map from shifting when InfoWindows are near the end of the map border (which causes the InfoWindow by default to center & shift the map)?

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  • Can I use vector as index in map structure in c++?

    - by tsubasa
    I attempted to do something like this but it does not compile: class point { public: int x; int y; }; int main() { vector<point> vp1; vector<point> vp2; vector<point> vp3; map < vector<point>, int > m; m[vp1] = 1; m[vp2] = 2; m[vp3] = 3; map < vector<point>, int >::iterator it; for (it=m.begin(); it!=m.end(); it++) { cout<<m[it->first]<<endl; } return 0; }

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  • How taxing would a game map grid be to a web browser?

    - by Vilx-
    Suppose we're making a strategy game (think Civilization) in a web browser. The game has a visible map portion - say 30x30 squares. Each square is 30x30px and has several overlaid images - the terrain, resources, units, roads, etc. The classical way of drawing this would be with a huge <table> where each cell would contain absolutely positioned images. It would probably be rendered in Javascript to reduce traffic. But it's still several thousand images and a huge table. Can the browser take it? Will the performance not drop below any acceptable limits? Alternatively I could keep a pre-rendered map image with as many overlays as possible, but that would be more work, I think.

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