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  • PHP at the root directory using Ngnix on Linode and Ubuntu 12.04

    - by Steve Kinney
    I originally set up my Linode to use it with the Sinatra applications using Phusion Passenger that I was developing and I have it working great for that. However, as time goes on, I find myself needing just a wee bit of PHP to do a server-side thing here or there. My basic set up was based off of this Linode recipe (I copied and pasted the parts that I needed—I did not install Redis and Node). If I go to http://scholarsnyc.com/index.php everything works great. If I just go the base URL however, I get a 403 Forbidden error (I have a vanilla HTML page there for now). I've played with file permissions and the same file will work if I call it directly. I've done my homework and nothing I try seems to work. I'm sure there is an obvious error. I'm also sure that there are some rookie mistakes in my Nginx configuration (some of those mistakes are the artifacts of trying different fixes from my research. user www-data www-data; worker_processes 1; events { worker_connections 1024; } upstream php { server 127.0.0.1:9001; } http { passenger_root /usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.12; passenger_ruby /usr/local/bin/ruby; include mime.types; default_type application/octet-stream; index index.php index.html index.htm; sendfile on; keepalive_timeout 65; server { server_name localhost scholarsnyc.com www.scholarsnyc.com; root /srv/www/scholarsnyc.com/public; location / { index index.php; } location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } } server { server_name data.scholarsnyc.com; root /srv/www/data.scholarsnyc.com/public; passenger_enabled on; } server { server_name tech.scholarsnyc.com; root /srv/www/tech.scholarsnyc.com/public; location / { root /srv/www/tech.scholarsnyc.com/public; index index.php index.html index.htm; } } } Any other optimizations are also appreciated. I literally don't know what to do at this point.

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  • Localhost doesnot work.

    - by Muhammad Sajid
    Hi, I installed wamp server on xp. During the installation it did not show any error/warning message. Then i start it & type http://localhost/ in url bar but it just show a blank page. I also checked notepad C:\WINDOWS\system32\drivers\etc\hosts their is no restriction for localhost. Help. Thanks...

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  • I can't see headers or footers on Word 2007 unless in full screen view

    - by kevyn
    I have a machine on a domain that does not show any headers or footers when viewing documents in word 2007, unless I switch to full screen mode. Other computers can see the headers and footers no problems. here is a video of what is happening: http://showmewhatswrong.com/play/c6fIjBVWT (expires in 6 days - but to summarize, it just shows me flicking between all the view options in word, and only when in full screen view can you see the headers and footers) any help greatly appreciated! Vista Business 32bit Office 2007

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  • Neural Network Always Produces Same/Similar Outputs for Any Input

    - by l33tnerd
    I have a problem where I am trying to create a neural network for Tic-Tac-Toe. However, for some reason, training the neural network causes it to produce nearly the same output for any given input. I did take a look at Artificial neural networks benchmark, but my network implementation is built for neurons with the same activation function for each neuron, i.e. no constant neurons. To make sure the problem wasn't just due to my choice of training set (1218 board states and moves generated by a genetic algorithm), I tried to train the network to reproduce XOR. The logistic activation function was used. Instead of using the derivative, I multiplied the error by output*(1-output) as some sources suggested that this was equivalent to using the derivative. I can put the Haskell source on HPaste, but it's a little embarrassing to look at. The network has 3 layers: the first layer has 2 inputs and 4 outputs, the second has 4 inputs and 1 output, and the third has 1 output. Increasing to 4 neurons in the second layer didn't help, and neither did increasing to 8 outputs in the first layer. I then calculated errors, network output, bias updates, and the weight updates by hand based on http://hebb.mit.edu/courses/9.641/2002/lectures/lecture04.pdf to make sure there wasn't an error in those parts of the code (there wasn't, but I will probably do it again just to make sure). Because I am using batch training, I did not multiply by x in equation (4) there. I am adding the weight change, though http://www.faqs.org/faqs/ai-faq/neural-nets/part2/section-2.html suggests to subtract it instead. The problem persisted, even in this simplified network. For example, these are the results after 500 epochs of batch training and of incremental training. Input |Target|Output (Batch) |Output(Incremental) [1.0,1.0]|[0.0] |[0.5003781562785173]|[0.5009731800870864] [1.0,0.0]|[1.0] |[0.5003740346965251]|[0.5006347214672715] [0.0,1.0]|[1.0] |[0.5003734471544522]|[0.500589332376345] [0.0,0.0]|[0.0] |[0.5003674110937019]|[0.500095157458231] Subtracting instead of adding produces the same problem, except everything is 0.99 something instead of 0.50 something. 5000 epochs produces the same result, except the batch-trained network returns exactly 0.5 for each case. (Heck, even 10,000 epochs didn't work for batch training.) Is there anything in general that could produce this behavior? Also, I looked at the intermediate errors for incremental training, and the although the inputs of the hidden/input layers varied, the error for the output neuron was always +/-0.12. For batch training, the errors were increasing, but extremely slowly and the errors were all extremely small (x10^-7). Different initial random weights and biases made no difference, either. Note that this is a school project, so hints/guides would be more helpful. Although reinventing the wheel and making my own network (in a language I don't know well!) was a horrible idea, I felt it would be more appropriate for a school project (so I know what's going on...in theory, at least. There doesn't seem to be a computer science teacher at my school). EDIT: Two layers, an input layer of 2 inputs to 8 outputs, and an output layer of 8 inputs to 1 output, produces much the same results: 0.5+/-0.2 (or so) for each training case. I'm also playing around with pyBrain, seeing if any network structure there will work. Edit 2: I am using a learning rate of 0.1. Sorry for forgetting about that. Edit 3: Pybrain's "trainUntilConvergence" doesn't get me a fully trained network, either, but 20000 epochs does, with 16 neurons in the hidden layer. 10000 epochs and 4 neurons, not so much, but close. So, in Haskell, with the input layer having 2 inputs & 2 outputs, hidden layer with 2 inputs and 8 outputs, and output layer with 8 inputs and 1 output...I get the same problem with 10000 epochs. And with 20000 epochs. Edit 4: I ran the network by hand again based on the MIT PDF above, and the values match, so the code should be correct unless I am misunderstanding those equations. Some of my source code is at http://hpaste.org/42453/neural_network__not_working; I'm working on cleaning my code somewhat and putting it in a Github (rather than a private Bitbucket) repository. All of the relevant source code is now at https://github.com/l33tnerd/hsann.

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  • Turn off forcing www.

    - by Kemo
    I have a 'clean' CentOS system with webmin, running Apache2 and BindDNS. When I try accessing the domain without www, I get instantly redirected to www.domain.name, as the Firebug Net console screenshot below displays http://pokit.etf.ba/upload/pokit141661fa46b11782745bb974d5140004.png What I need to know is; which are the most often reasons for this? If you need any more info, cfg or log files, please let me know

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  • Sync Android with iTunes

    - by John Oxley
    I have just bought a shiny new HTC Hero. Is there any way to get it to sync with iTunes. In particular I'm looking at Podcast management. Same question targeted at the Zune http://superuser.com/questions/47136/sync-android-with-zune Update I am running windows, but I feel that Mac users would appreciate this too.

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  • Running a Web Service

    - by Brandon
    I have a web service created in .NET. I thought I had setup everything correctly based on a set of instructions I followed but for some reason I'm getting: "Not Found" when I try to load in my browser http://localhost/myservice/webservice.aspx. Someone said that I have to configure IIS for Aspx files. I don't know how to do that. I need to know how to do that and I need help on setting up this web service

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  • monitor internet bandwidth

    - by enriquev
    Hello, I'm looking for a windows tool that can tell me who is using bandwith. As of now I've setup so that the switch where all pcs are connected, mirrors the router's traffic to my pc, meaning that from my NIC I am able to see all outgoing and incoming internet connections. This works, I have used NIMAS (http://www.vmware.com/appliances/directory/200) and I am able to see internet traffic. Now what I am looking for is something even more simple, where I can see what computers are using what banwidth, live.

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  • How to convert lots of database file from MSSQL 2000 to MSSQL 2005?

    - by Tech
    Hi all, I am moving the SQL Server from MSSQL 2000 to MSSQL 2005, and I found the article in the web like this: http://www.aspfree.com/c/a/MS-SQL-Server/Moving-Data-from-SQL-Server-2000-to-SQL-Server-2005/ It works, but the problem is, it only move database one by one. Because I have so many database, is there any easy way to do so? or is there provides any batches / untitlty allow me to do so? thz u.

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  • How to know which program is using the WebClient service?

    - by sork
    Hello, I just found out by using TCPView that one of my svchost.exe had an http connection in "CLOSE_WAIT" to a strange ip address, although no other visible program was running. With the help of Process Explorer I discovered that this svchost was using the WebClient windows service. I'm wondering how I can figure out what program used WebClient to connect to this ip, in order to determine if it's malware.

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  • Adobe Illustrator CS5 quit unexpectedly. Mac OS X 10.8.1

    - by Irishgirl
    Adobe Illustrator CS5 quit unexpectedly. I'm upgraded to Mac OS X 10.8.1. Now I can't open Adobe Illustrator CS5. I've tried by turning off Java 32 and 64 of Java Preferences.app in Utilities. Does anyone know how to solve this? I've included a text of Problem details as below and system configuration: http://www.kerrydeaf.com/x.txt I've also included a screenshot below (click for full-size version):

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  • Getting a NullPointerException at seemingly random intervals, not sure why

    - by Miles
    I'm running an example from a Kinect library for Processing (http://www.shiffman.net/2010/11/14/kinect-and-processing/) and sometimes get a NullPointerException pointing to this line: int rawDepth = depth[offset]; The depth array is created in this line: int[] depth = kinect.getRawDepth(); I'm not exactly sure what a NullPointerException is, and much googling hasn't really helped. It seems odd to me that the code compiles 70% of the time and returns the error unpredictably. Could the hardware itself be affecting it? Here's the whole example if it helps: // Daniel Shiffman // Kinect Point Cloud example // http://www.shiffman.net // https://github.com/shiffman/libfreenect/tree/master/wrappers/java/processing import org.openkinect.*; import org.openkinect.processing.*; // Kinect Library object Kinect kinect; float a = 0; // Size of kinect image int w = 640; int h = 480; // We'll use a lookup table so that we don't have to repeat the math over and over float[] depthLookUp = new float[2048]; void setup() { size(800,600,P3D); kinect = new Kinect(this); kinect.start(); kinect.enableDepth(true); // We don't need the grayscale image in this example // so this makes it more efficient kinect.processDepthImage(false); // Lookup table for all possible depth values (0 - 2047) for (int i = 0; i < depthLookUp.length; i++) { depthLookUp[i] = rawDepthToMeters(i); } } void draw() { background(0); fill(255); textMode(SCREEN); text("Kinect FR: " + (int)kinect.getDepthFPS() + "\nProcessing FR: " + (int)frameRate,10,16); // Get the raw depth as array of integers int[] depth = kinect.getRawDepth(); // We're just going to calculate and draw every 4th pixel (equivalent of 160x120) int skip = 4; // Translate and rotate translate(width/2,height/2,-50); rotateY(a); for(int x=0; x<w; x+=skip) { for(int y=0; y<h; y+=skip) { int offset = x+y*w; // Convert kinect data to world xyz coordinate int rawDepth = depth[offset]; PVector v = depthToWorld(x,y,rawDepth); stroke(255); pushMatrix(); // Scale up by 200 float factor = 200; translate(v.x*factor,v.y*factor,factor-v.z*factor); // Draw a point point(0,0); popMatrix(); } } // Rotate a += 0.015f; } // These functions come from: http://graphics.stanford.edu/~mdfisher/Kinect.html float rawDepthToMeters(int depthValue) { if (depthValue < 2047) { return (float)(1.0 / ((double)(depthValue) * -0.0030711016 + 3.3309495161)); } return 0.0f; } PVector depthToWorld(int x, int y, int depthValue) { final double fx_d = 1.0 / 5.9421434211923247e+02; final double fy_d = 1.0 / 5.9104053696870778e+02; final double cx_d = 3.3930780975300314e+02; final double cy_d = 2.4273913761751615e+02; PVector result = new PVector(); double depth = depthLookUp[depthValue];//rawDepthToMeters(depthValue); result.x = (float)((x - cx_d) * depth * fx_d); result.y = (float)((y - cy_d) * depth * fy_d); result.z = (float)(depth); return result; } void stop() { kinect.quit(); super.stop(); } And here are the errors: processing.app.debug.RunnerException: NullPointerException at processing.app.Sketch.placeException(Sketch.java:1543) at processing.app.debug.Runner.findException(Runner.java:583) at processing.app.debug.Runner.reportException(Runner.java:558) at processing.app.debug.Runner.exception(Runner.java:498) at processing.app.debug.EventThread.exceptionEvent(EventThread.java:367) at processing.app.debug.EventThread.handleEvent(EventThread.java:255) at processing.app.debug.EventThread.run(EventThread.java:89) Exception in thread "Animation Thread" java.lang.NullPointerException at org.openkinect.processing.Kinect.enableDepth(Kinect.java:70) at PointCloud.setup(PointCloud.java:48) at processing.core.PApplet.handleDraw(PApplet.java:1583) at processing.core.PApplet.run(PApplet.java:1503) at java.lang.Thread.run(Thread.java:637)

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  • How to fix yum install not valid release error on Centos 5

    - by Tomaszs
    When I try to yum install anything I get: -bash-3.2# yum install strace Loading "fastestmirror" plugin Determining fastest mirrors * dag: apt.sw.be * lxlabsupdate: download.lxlabs.com * rpmforge: fr2.rpmfind.net * lxlabslxupdate: download.lxlabs.com YumRepo Warning: not using ftp, http[s], or file for repos, skipping - 5.2 is not a valid release or hasnt been released yet removing mirrorlist with no valid mirrors: //var/cache/yum/base/mirrorlist.txt Error: Cannot find a valid baseurl for repo: base How to fix it?

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  • Purpose of the postfix.sendmail -n option

    - by DoesNotCompute
    I'm using a PHP librairy to send email through postfix. But i'm keep getting this message in the logs when i try to send emails : postfix/sendmail[15782]: fatal: -n option not supported I will remove this flag from my code but i'm curious about the purpose of this flag which seems to be useless (http://linux.die.net/man/1/sendmail.postfix). I can't find any information about it on google, any idea about the purpose of this option?

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  • good way of changing all pixels of one particular color to another particular color in a jpeg/png?

    - by gojira666
    I have an image which looks like this: http://img21.imageshack.us/i/64054053.jpg/ However the yellow line needs to be red and the cyan line needs to be green. I have MS Paint and IrfanView. How can I change the colors of the yellow and cyan line without individually selecting all pixels manually? I.e. what is a good way of changing all pixels of one color to another color?

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  • kvm:vga driver vbempg cause blue screen in guest os Windows XP

    - by hellolwq
    I don't know if the problem was well know,I searched the google,but didn't get anything useful. I configed the KVM guest vga mode as vga std and got a yellow exclamation sign with the vga in the XP guest OS. so I found the vbempg.zip in the follow address: http://forum.ubuntu.org.cn/download/file.php?id=45928&sid=b394b9ca338fdca59a4174c5ee4dee26 Some often,I could get a blue screen crash.Any one could give some further information?

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  • Good OS (gOS) instalation from USB key

    - by Peter Stegnar
    I would like to install Good OS from USB key. I have found a nice instructions http://www.pendrivelinux.com/usb-gos-install-from-windows/. Everything is OK while USB key is being prepared. But when I am trying to boot from that USB key I get the following error: "no bootable partition in table" It seems like USB key is not prepared properly ... How can I install gOS from USB key?

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  • Merge Replication with Geometry data type

    - by Puneet Jain
    The Merge Agent failed because the schema of the article at the Publisher does not match the schema of the article at the Subscriber. This can occur when there are pending DDL changes waiting to be applied at the Subscriber. Restart the Merge Agent to apply the DDL changes and synchronize the subscription. (Source: MSSQL_REPL, Error number: MSSQL_REPL-2147199398) Error converting data type varchar to geometry. (Source: MSSQLServer, Error number: 8114) Get help: http://help/8114

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