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• Y560 Lenovo IdeaPad bandwidth issue

  - by Vlakarados

  I have a Y560 Lenovo IdeaPad, my config: i7 740QM, 4GB RAM, RADEON HD 6570m/5700 1024MB and my network adapter is Intel WIFI Link 5150. The laptop is 2 years old and the problem I'm about to describe is present from the first day. As may be seen here, the receive bandwidth should be up to 300 Mbps, but the maximum download speed from LAN and using torrents is about 2.4MB/s. My internet connection is 100Mbps and other laptops in my house have the appropriate download speed - up to 12MB/s, I have tested at my friends house and at my job, the speed remains the same. I have tried all possible configurations I could think of in network settings - nothing helps. I use Windows 7 and I have had installed different versions (Ultimate, Professional, Home, OEM Home, 64 and 32 bit versions). Some time ago I searched for the problem and found one or two threads that had the same problem and there were something said about a limitation in firmware that some experienced users have managed to bypass. Updating drivers didn't help me either. Is there any reliable way to fix this?

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• Why would my VPN connection work better than my direct connection?

  - by tarling

  I have a new Windows 7 64bit laptop, which connects wirelessly to a ASDL router/modem. With my regular connection, page requests often time out - usually with form submissions. When I use the same connection to connect to a VPN (using OpenVPN) the requests seem to work fine. These are not requests to sites that are only available via the VPN - just regular websites I think this is specific to this new laptop (provided and set up by my employer) - other machines work fine. Many thanks for any advice, James

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• having public computers without joining the domain

  - by MCarter

  Good Morning, I would like to know what is the best arrangement for setting up 24 computers at a facility. We do not want these computers to join our domain because of security concerns. We plan on having these public computers connect to our wifi network. If anyone knows of the best way to approach this, that would be great! We also need to add printers to these public computers. We would also like to lock each computer down. Since we are not connecting by network, I assume we would have to configure each group policy.

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• Windows 7: Shared folder over wifi working for ONLY "Guests"

  - by James_Smith

  Hi, I have a desktop and a laptop connected to same wifi router. Desktop is connected with wire and laptop with wifi. Both the system runs windows 7 and are on the same workgroup. I have shared some folders on desktop and can view the shared folder list on laptop under "network places". But when I try to open a folder, a prompt appears for username and password. When I enter BOTH username and password, It does not authenticate when I enter ONLY username, I get:- "Windows cannot access \WIn71\Setups you do not have permission to access ..." Now to get around this message I have to give access to "Guests" group on my desktop shared folder. Cant seem to figure out why It cant authenticate username with password. And giving access to "Guests" does not sounds safe!

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• Ping or accessing WAN IP from LAN results in failure on only one box

  - by ComputerUserGuy

  Morning/evening gents. I purchased a radical domain name today to set up a name for my services and to set up SSL. I configured the SSL fine and all but when I went to my website I couldn't connect. I can connect to the site with any other device in my house and my friend can connect to it as well from outside of the LAN. I am hosting the services with my computer and I can't access the service. Whenever I ping it using the command prompt I get a result of "General Failure.". It saddens me that they couldn't make a better message as it kind of brings me down. I'm not sure what's the deal here as I have all of my firewalls down and my ports are forwarded. Running Windows 7. Thanks for the assistance chaps.

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• How do I connect to a network without SSID?

  - by lobsterman

  How do I connect to a network without SSID? Thanks in advance!

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• The meaning of the first line output in the iwconfig command in Linux

  - by John Smith

  When I'm using the iwconfig command on my current wifi interface , wlan0 , the first line I get as output is wlan0 IEEE 802.11bgn. When I try to do this when I am connected to other WiFi's, I sometimes get other versions, like IEEE 802.11bg or IEEE 802.11abgn. I want to ask, what's the meaning of this output? if the output is IEEE 802.11bgn then it means that this WiFi supports both the b , g and n standards or it means something else? Thnaks :)

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• Is there a way to measure wifi traffic on a network from a client?

  - by millimoose

  Is there some way (preferrably one that comes with an existing tool) to measure the traffic going through the whole WiFi network from a computer connected to it? (That is, not from the AP or something between the modem and AP.) My situation is this: a few months back, the internet connection at my parent's place got really sluggish and laggy. (Lag spikes that cause page loads to time out etc, connections plain getting lost and dropping packets forever.) It's impossible to get mom's husband to do anything about this because he brushes this off with something like "just tell your sister to turn off torrents". Unfortunately the WiFi router's firmware doesn't do traffic logging. I'm not going to risk bricking it to put WRT on it; nor am I keen on rewiring the network to add a proxy to analyse the traffic. (I'm one of those people that make computers break just by looking at them, except machines I own.) I'd like to be able to find out roughly how much data is going over the air here while all the LAN wires are out of the router, all the computers accused of torrenting are off, etc. The idea is to either show that: Even if everything but my macbook is turned off, something is congesting the network. The husband is a systems developer and has a whole lot of mysterious hardware that's not to be touched around, one of them might be culprit. There is barely any traffic on the network, but the internet is still sluggish. Meaning this is likely a problem the ISP should solve. (Some hardware of theirs being glitchy, someone on an aggregated line hogging it constantly...) The network is encrypted, but I can temporarily set it to open for the sake of finding this out. So, in conclusion? Can this be done? Or is there some alternative way I could try to diagnose the problem?

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• How can I retrieve "remembered"(stored) wi-fi password from a win. 7 device?

  - by user180880

  I have access to PC, and I am a standard user. Everything(incl. "show charecters" tickbox at wiriless menu) requires admin access. Now, that said machine is actually like a big tv with touch. Type-stuff is handled by virtual keyboard of windows. I can reach to c:\ProgramData\Microsoft\Wlansvc\Profiles\Interfaces and can see-open files there, which is I assume where passwords stored are. Now the problem is that these passwords is encypted. I'm ok with if there is a way with changing/resetting admin password as well. Considering this device has nothing but massive amounts of usb(yep, not even cd-dvd // rw) the only way is from inside or with usb without admin rights.

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• Load-balance with LAN and Wi-Fi

  - by Synox

  I have a Mac, which runs Mac OS X 10.6 or Ubuntu 9.10 or Windows XP (Multiboot). Solution can be for any of the systems, whatever works better. I have two ISPs, one can be accessed via Wi-Fi, one can be accessed via LAN. In Mac OS X I can define the priority, which network to choose first. But what I wish to do is to load-balance with both networks. I don't want to buy extra hardware. I have some unused Wi-Fi routers if this would help. Compiling and configuring programs in Linux is no problem for me. Similar question: Load balancing with multiple gateways

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• Problem with Wi-Fi

  - by unknown (google)

  I am using a Wi-Fi modem to connect to the Internet. I can connect with mobile phone and laptop without problem but when I use a PC with Wi-Fi USB I connect to the network but I don't have data from the Internet. What is the problem?

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• Cannot open /dev/rfcomm1 : Host is down

  - by srj0408

  I am working on raspberry PI and on Bluetooth. I am using old raspberry pi kernel as the new one has got some bugs that were not resolved with respect to the bluez daemon. At present my kernel version is 3.6.11. I am using a USB bluetooth dongle and my sole purpose is to auto connect the bluetooth dongle when ever it is in range. For that i think i have to run a script in the backend on RPI that will keep on checking the existence of usb bluetooth dongle. I started from the very scratch. I installed bluez daemon using apt-get install bluetooth bluez utils blueman and then i used hciconfig which gives me that my bluetooth usb dongle is working fine. But when i did hcitool scan , it give me no device in range even though my Serial bluetooth Device was on. I wasn't able to find any device in vicinity. Also when i unplugged and plug the USB dongle again, i was able to scan the serial device , but when i repeat the process, i find the earlier condition of not finding any deice. I had find another useful link, but that need address of the bluetooth device that need to be connected. I want to automate this using hcitool scan, storing the output to the a file and then comparing it with already paired devices and their name. For that i need to figure out why hcitool scan is sometime working and sometime not. ? Can some one help me in figuring out why this is happening. Is there any problem on hardware side i.e Bluetooth dongle is buggy or i had some problem in bluez utils. Edit 1: While as of now, hcitool scan is giving me my remote device address but still i am getting the same issue of HOUST IS DOWN, '/dev/rfcomm1'. I am really not getting any idea of what to be done.

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• How to share an internet connection? (Peer to Peer Network)

  - by Himjones

  How should I create a network, so that I could share my internet with another computer using Wi-fi. Is there any way to make it password protected. I am using Windows XP.

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• difference between cocos2d-x vs cocos2d-js

  - by MFarooqi

  I'm just moving towards native apps... A friend of mine told me to start with cocos2d, I'm good in javascript. while searching google for cocos2d, and within cocos2d-x.org i found cocos2d-x cocos2d-JSB cocos2d-html5 cocos2d-Javascript I know what cocos2d-x is for.. and what cocos2d-html5 is for.. but what is cocos2d-JSB and cocos2d-Javascript.. Can somebody please tell me.. what exactly these 2 things are.. My questions are.. Can we developer 100%pure native apps/games in cocos2d-JSB and or cocos2d-javascrpoit. I also know cocos2d-JSB is javascript bindings.. but what does that exactly mean?.. Last but not least question.. what is cocos2d-Javascript for?.. does that work alone or we need cocos2d-html5 to make it previewable in IOS/Anroid/windowsPhone.. Please give me Details.. because i'm so confused... I want to develop native apps for IOS/Android and Windows. Thank you

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• Fast Society Creates Mini and Mobile Temporary Social Networks

  - by ETC

  You’re out on the town or at a convention with a bunch of friends. How do you keep in touch with the entire group simultaneously? Fast Society offers a smartphone-based solution: a temporary social network for group talking, texting, and more. Fast Society was originally an iPhone only application and has recently updated to include and Android app too. The premise is simple: You set up a Fast Society group, link your friends into it, and for that night (or convention weekend) you’re all part of the same mini group. You can text the entire group, share pictures, set up sub-groups (let’s say that half your group is going to stay up late and party while half need to hit the rack to get up early for presentations, you can create a new group for the night owls to communicate), share your location, and send in-app and SMS messages to the entire group. Check out the video above to see it in action or hit up the link below to read more and grab a copy. Face Society [via Mashable] Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks Page Zipper Unpacks Multi-Page Articles for Single-Page Display Minty Bug: Build an FM Bug Inside a Mint Container Get the MakeUseOf eBook Guide to Hacker Proofing Your PC Sync Your Windows Computer with Your Ubuntu One Account [Desktop Client]

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• Growing mobile developers inside a web development org

  - by Arkaaito

  I work for a "mature web startup" as a web developer (mainly using PHP). Our main site has about 8 million registered members at the moment. However, the site is basically impossible to use on anything that's not a real computer. One of our most-requested features, if not the most requested, is a mobile app or mobile version of the site. I think we need to do it. Management thinks we need to do it. In fact, everyone in the company thinks we need to do it. But it's nigh impossible to hire someone with iPhone/Android skills in the present market. I'm the only person at the company with any level of mobile development experience currently, and I'm not that good (yet), so I'm seeking comments on how to bootstrap a capacity for mobile development. Anything from general tips (should I focus on developing my personal skills first or try to pick up a more experienced mobile dev?) to specific recommendations on training, etc., may be helpful, as long as it doesn't reduce to "sucks to be you." :-)

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• Load different levels in XML

  - by Anearion

  my question is more about a theoretical gener than a pratical way to make things happen. I'm about start developing a game for android, text based so i won't need sprites or animation, nor a game engine. Let's say is similar to a sudoku game, where each level is an harder version of sudoku and each level has some question to be asnwered over the sudoku itself. I was wondering if the better way is to have only one XML and then inside all the different levels, each one with his meta-tags, or if the different approach of making n xml files where each one is a level is preferred. At the moment a level should have those tags: <level> <question>Question_1</question> <hint1>what does it do?</hint1> <hint2>where...</hint2> .... <hintN>how...</hintN> </level> So each level could have some items to read and that's what made me think that maybe different files are better cuz if i have to load lvl 10 i can read only the 10.xml file. I hope my question isn't too stupind. Thanks in advance

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• Textures quality issues with Libgdx

  - by user1876708

  I have drawn several vector objets and characters ( in Adobe Illustrator ) for my game on Android. They are all scalable at any size without any quality losses ( of course it's vector ^^ ). I have tried to simulate my gameboard directly on Illustrator just before setting my assests on libdgx to implement them in my game. I set all the objects at the good size, so that they fit perfectly on my XHDPI device I am running my test on. As you can see it works great ( for me at least ^^ ), the PNG quality is good for me, as expected ! So I have edited all my PNG at this size, set my assets on libgdx and build my game apk. And here is a screenshot of my gameboard ( don't pay attention at the differences of placing and objects, but check at the objets presents on both screenshot ). As you can see, I have a loss of my PNG quality in the game. It can be seen clealry on the hedgehog PNG, but also ( but not as obvious ) on the mushroom ( check at the outline ) and the hole PNG. If you really pay attention, on every objects, you can see pixels that are not visible on my first screenshot. And I just can't figure out why this is happening Oo If you have any ideas, you are very welcome ! Thanks. PS : You can check more clearly the 2 gameboard on this two links ( look at them at 100%, display at high resolution ) : Good quality link, from Illustrator Poor quality link, from the game Second phase of tests : We display an object ( the hedgehog ) on our main menu screen to see how it looks like. The things is that it looks like he is suppose to, which means, high quality with no pixels. The hedgehog PNG is coming from an atlas : layer.addActor(hedgehog); No loss of quality with this method So we think the problem is comming from the method we are using to display it on our gameboard : blocks[9][3] = new Block(TextureUtils.hedgehog, new Vector2(9, 3)); the block is getting the size from the vector we are associating to it, but we have a loss of quality with this method.

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• Combine Two Shader Program

  - by Siddharth

  For my android application, I want to apply brightness and contrast shader on same image. At present I am using gpuimage plugin. In that I found two separate program for brightness and contrast as per the following. Contrast shader: varying highp vec2 textureCoordinate; uniform sampler2D inputImageTexture; uniform lowp float contrast; void main() { lowp vec4 textureColor = texture2D(inputImageTexture, textureCoordinate); gl_FragColor = vec4(((textureColor.rgb - vec3(0.5)) * contrast + vec3(0.5)), textureColor.w); } Brightness shader: varying highp vec2 textureCoordinate; uniform sampler2D inputImageTexture; uniform lowp float brightness; void main() { lowp vec4 textureColor = texture2D(inputImageTexture, textureCoordinate); gl_FragColor = vec4((textureColor.rgb + vec3(brightness)), textureColor.w); } Now applying both of the effects I write following code varying highp vec2 textureCoordinate; uniform sampler2D inputImageTexture; varying highp vec2 textureCoordinate2; uniform sampler2D inputImageTexture2; uniform lowp float contrast; uniform lowp float brightness; void main() { lowp vec4 textureColorForContrast = texture2D(inputImageTexture, textureCoordinate); lowp vec4 contastVec4 = vec4(((textureColorForContrast.rgb - vec3(0.5)) * contrast + vec3(0.5)), textureColorForContrast.w); lowp vec4 textureColorForBrightness = texture2D(inputImageTexture2, textureCoordinate2); lowp vec4 brightnessVec4 = vec4((textureColorForBrightness.rgb + vec3(brightness)), textureColorForBrightness.w); gl_FragColor = contastVec4 + brightnessVec4; } Doesn't able to get desire result. I can't able to figure out what I have to do next? So please friends help me in this. What program I have to write?

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• Strict Pomodoro and other time management Chrome extensions

  - by kerry

  I have recently begun using the Pomodoro Technique to increase my productivity. However, I still find myself getting sucked in to the vortex of useless information that is the internet. With that in mind I began searching for a useful chrome extension to replace the Android Pomodoro app I have been using to manage my ‘doros. I even considered writing it myself. Luckily, I stumbled on one that had a similar featureset to what I was looking for. Strict Pomodoro is an excellent Chrome extension for practicing Pomodoro. Though lacking a few key features, such as the ability to set the duration of your pomodoros and breaks, it still has a key feature that helps me stay on task. It blocks time sucking websites. You can set filter lists and it will keep you from accessing them during a Pomodoro. Effectively reminding you to stay on task. Also, the author readily admits that it was quickly put together and new features may be added down the road. For now, it is still an excellent option. For those of you who do not practice Pomodoro but are trying to stay on task. The StayFocusd extension will effectively manage the amount of time you spend on useless (non-productive) sites. It also has a rich feature set that may be better for your work habits. OK, breaks over. Time to get back to work. 25 minutes at a time.

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• 2D map/plane with nodes overlayed that supports panning, scaling and clicking on nodes

  - by garlicman

  I'm trying my hand at Android development and seem to be running into an invisible ceiling in trying to get what I want accomplished. Basically I'm trying to create an app that renders a 2D surface map that I can (pinch) zoom and pan. I'll have to place nodes on the surface of the map that will scale/zoom and pan in relation to the surface. I started out with a 2D ImageView approach and got as far as pinch zoom, pan and laying nodes as relative ImageViews, but all the methods I tried to get X,Y,W,H for the 2D surface were always off for some reason. Additionally, I was never able to scale the node ImageViews correctly, and as a result never got far enough to try and work out their X,Y scaled offset. So I decided to get back to 3D rendering. Conceptually pan/zoom is camera manipulation, so I don't have to mess with how to scale the 2D map or the nodes. But I need a starting point or sample to get me going that's close to what I'm trying to achieve. A sample on a translucent spinning cube isn't helping as much as I need it to. Any tips? Links, insults and sympathy are all welcome!

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• GetData() error creating framebuffer

  - by Lelezeus

  I'm currently porting a game written in C# with XNA library to Android with Monogame. I have a Texture2D and i'm trying to get an array of uint in this way: Texture2d textureDeform = game.Content.Load<Texture2D>("Texture/terrain"); uint[] pixelDeformData = new uint[textureDeform.Width * textureDeform.Height]; textureDeform.GetData(pixelDeformData, 0, textureDeform.Width * textureDeform.Height); I get the following exception: System.Exception: Error creating framebuffer: Zero at Microsoft.Xna.Framework.Graphics.Texture2D.GetTextureData (Int32 ThreadPriorityLevel) [0x00000] in :0 I found that the problem is in private byte[] GetTextureData(int ThreadPriorityLevel) creating the framebuffer: private byte[] GetTextureData(int ThreadPriorityLevel) { int framebufferId = -1; int renderBufferID = -1; GL.GenFramebuffers(1, ref framebufferId); // framebufferId is still -1 , why can't be created? GraphicsExtensions.CheckGLError(); GL.BindFramebuffer(All.Framebuffer, framebufferId); GraphicsExtensions.CheckGLError(); //renderBufferIDs = new int[currentRenderTargets]; GL.GenRenderbuffers(1, ref renderBufferID); GraphicsExtensions.CheckGLError(); // attach the texture to FBO color attachment point GL.FramebufferTexture2D(All.Framebuffer, All.ColorAttachment0, All.Texture2D, this.glTexture, 0); GraphicsExtensions.CheckGLError(); // create a renderbuffer object to store depth info GL.BindRenderbuffer(All.Renderbuffer, renderBufferID); GraphicsExtensions.CheckGLError(); GL.RenderbufferStorage(All.Renderbuffer, All.DepthComponent24Oes, Width, Height); GraphicsExtensions.CheckGLError(); // attach the renderbuffer to depth attachment point GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment, All.Renderbuffer, renderBufferID); GraphicsExtensions.CheckGLError(); All status = GL.CheckFramebufferStatus(All.Framebuffer); if (status != All.FramebufferComplete) throw new Exception("Error creating framebuffer: " + status); ... } The frameBufferId is still -1, seems that framebuffer could not be generated and I don't know why. Any help would be appreciated, thank you in advance.

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• Feasability of mobile 2D multiplayer RPG game with interactive bitmap background

  - by user2827214

  I'm looking to develop a 2D multiplayer RPG game for Android, with a bird's eye view similar to that of zelda/pokemon. The game is very simple in all ways since my intent is for thousands of players to occupy the same world which I imagine requires good performance. However, I am unsure about the performance requirements of two properties: the tile map that is used as a background is dynamic (interactive). For example, a player steps in the water, and the water turns black. Every tile in the game does this. the tile map is the same object used for all players, but it is displayed differently on each user's mobile device, even though the players exist in the same world. For example, the water that turned black is displayed as red on all other players' screens. I have knowledge of java, but almost none regarding game dev. tools. Is there a best process for these requirements? Should I develop in pure java, or use some tool like Slick2D etc.? How performance intensive are these properties, if even possible? Edit: There are no collisions in the game or difficult animations, I am imagining simply changing the colors of the tiles (like in the examples), and a client-server architecture

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• What methods should save/load a game state

  - by vedi

  There are a lot of articles about how to save a state of a game and they are pretty good. But I have one conceptual misunderstanding where should I save the state? My game has number of screens and pair of them are MainMenuScreen and MainSceneScreen these are inherited from Screen class. MainMenuScreen is shown at start of the game the MainSceneScreen little later. What is the problem? I navigated to MainSceneScreen, forced Android to stop the application (I change a language settings on the device to achieve it, please let me know if I'm wrong). After that I select the application again and I can see MainMenuScreen is shown. But I want MainSceneScreen to be shown. I suppose I should override resume method. But what class I should override? I have class PsGame that extends Game class of libgdx. I put breakpoints to its resume method and it turned out that method was not called. I investigated the problem and I've found little strange code in onResume method of AndroidApplication class of libgdx: if (!firstResume) graphics.resume(); else firstResume = false; My debugger said firstResume was true and didn't go to *graphics.resume()*line. Sorry for a lot of words but could you answer following question: What did I do wrong? What methods should I override? Thank you in advance.

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• How to translate formulas into form of natural language?

  - by Ricky

  I am recently working on a project aiming at evaluating whether an android app crashes or not. The evaluation process is 1.Collect the logs(which record the execution process of an app). 2.Generate formulas to predict the result (formulas is generated by GP) 3.Evaluate the logs by formulas Now I can produce formulas, but for convenience for users, I want to translate formulas into form of natural language and tell users why crash happened.(I think it looks like "inverse natural language processing".) To explain the idea more clearly, imagine you got a formula like this: 155 - count(onKeyDown) >= 148 It's obvious that if count(onKeyDown) 7, the result of "155 - count(onKeyDown) = 148" is false, so the log contains more than 7 onKeyDown event would be predicted "Failed". I want to show users that if onKeyDown event appears more than 7 times(155-148=7), this app will crash. However, the real formula is much more complicated, such as: (< !( ( SUM( {Att[17]}, Event[5]) <= MAX( {Att[7]}, Att[0] >= Att[11]) OR SUM( {Att[17]}, Event[5]) > MIN( {Att[12]}, 734 > Att[19]) ) OR count(Event[5]) != 1 ) > (< count(Att[4] = Att[3]) >= count(702 != Att[8]) + 348 / SUM( {Att[13]}, 641 < Att[12]) mod 587 - SUM( {Att[13]}, Att[10] < Att[15]) mod MAX( {Att[13]}, Event[2]) + 384 > count(Event[10]) != 1)) I tried to implement this function by C++, but it's quite difficult, here's the snippet of code I am working right now. Does anyone knows how to implement this function quickly?(maybe by some tools or research findings?)Any idea is welcomed: ) Thanks in advance.

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