3d modeller - Page 54 - Developer IT

Why this not working in IE ?

- by ankit vishwakarma

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Attempting to find a formula for tessellating rectangles onto a board, where middle square can't be

- by timemirror

I'm working on a spatial stacking problem... at the moment I'm trying to solve in 2D but will eventually have to make this work in 3D. I divide up space into n x n squares around a central block, therefore n is always odd... and I'm trying to find the number of locations that a rectangle of any dimension less than n x n (eg 1x1, 1x2, 2x2 etc) can be placed, where the middle square is not available. So far I've got this.. total number of rectangles = ((n^2 + n)^2 ) / 4 ..also the total number of squares = (n (n+1) (2n+1)) / 6 However I'm stuck in working out a formula to find how many of those locations are impossible as the middle square would be occupied. So for example: [] [] [] [] [x] [] [] [] [] 3 x 3 board... with 8 possible locations for storing stuff as mid square is in use. I can use 1x1 shapes, 1x2 shapes, 2x1, 3x1, etc... Formula gives me the number of rectangles as: (9+3)^2 / 4 = 144/4 = 36 stacking locations However as the middle square is unoccupiable these can not all be realized. By hand I can see that these are impossible options: 1x1 shapes = 1 impossible (mid square) 2x1 shapes = 4 impossible (anything which uses mid square) 3x1 = 2 impossible 2x2 = 4 impossible etc Total impossible combinations = 16 Therefore the solution I'm after is 36-16 = 20 possible rectangular stacking locations on a 3x3 board. I've coded this in C# to solve it through trial and error, but I'm really after a formula as I want to solve for massive values of n, and also to eventually make this 3D. Can anyone point me to any formulas for these kind of spatial / tessellation problem? Also any idea on how to take the total rectangle formula into 3D very welcome! Thanks!

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Removing an array dimension where the elements sum to zero

- by James

Hi, I am assigning a 3D array, which contains some information for a number of different loadcases. Each row in the array defines a particular loadcase (of which there are 3) and I would like to remove the loadcase (i.e. the row) if ALL the elements of the row (in 3D) are equal to zero. The code I have at the moment is: Array = zeros(3,5) % Initialise array Numloadcases = 3; Array(:,:,1) = [10 10 10 10 10; 0 0 0 0 0; 0 0 0 0 0;]; % Expand to a 3D array Array(:,:,2) = [10 10 10 10 10; 0 0 0 0 0; 0 0 0 0 0;]; Array(:,:,3) = [10 10 10 10 10; 0 0 0 0 0; 0 0 20 0 0;]; Array(:,:,4) = [10 10 10 10 10; 0 0 0 0 0; 0 0 20 0 0;]; % I.e. the second row should be removed. for i = 1:Numloadcases if sum(Array(i,:,:)) == 0; Array(i,:,:) = [] end end At the moment, the for loop I have to remove the rows causes an indexing error, as the size of the array changes in the loop. Can anyone see a work around for this? Thanks

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Creating Mobile Cross-Platform Scripting Solution

- by Aplomb

I am having the dream to design a Mobile cross-platform scripting solution to achieve Developer only need to code once by scripting language(it's possible be Javascript or others need further investigation), then the solution will be able to generate the installation files for multiple mobile platforms like J2me, Android, Symbian, BlackBerry, Palm, Windows Mobile/Phone, iPhone, etc. Using the scripting language, developer can code with unified platform API. And other extension frameworks under scripting language, like, 1. 2D UI framework Most probably using for Mobile Applications, the UI style will compete with native UI framework and no longer every application in particular platform looks similar. 2. 3D UI framework Provide the platforms who has 3D capability can represent their Mobile Application with more fashion 3D style which will be much more abstractive. 3. Variable game engine Developers can can use it for easily and high-quality build games. 4. etc This Mobile solution is providing three points, 1. Cross-Platform 2. Scripting 3. Middleware So guys, what do you think about this idea, is it good for Developers? is it profitable? where is the better direction for this idea?

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Need to calculate rotation-vector from Sensor.TYPE_ORIENTATION data

- by Sponge

I need to calculate a rotation vector out of the data i get from Sensor.TYPE_ORIENTATION. The sensor data is defined like this: the values have to be recalculated to become a correct 3d position: values[0]: Azimuth, angle between the magnetic north direction and the Y axis, around the Z axis (0 to 359). 0=North, 90=East, 180=South, 270=West values[1]: Pitch, rotation around X axis (-180 to 180), with positive values when the z-axis moves toward the y-axis. values[2]: Roll, rotation around Y axis (-90 to 90), with positive values when the x-axis moves away from the z-axis I need all three values like the Z axis value (from 0 to 360 degree). I tried a lot but cant figure out how to do this :/ i also tried to use Sensor.TYPE_ACCELEROMETER and Sensor.TYPE_MAGNETIC_FIELD to calculate this 3d vector on my own. here is the code: final float[] inR = new float[16]; // load inR matrix from current sensor data: SensorManager.getRotationMatrix(inR, null, gravityValues, geomagneticValues); float[] orientation = new float[3]; SensorManager.getOrientation(inR, orientation); mapMagAndAcclDataToVector(orientation); //here i do some *360 stuff orientetionChanged(orientation); //then the correct values are passed (in theorie) But this didn't work and i think it is much to complicated. So i bet there is a simple solution how to recalc the values of ensor.TYPE_ORIENTATION to make them a 3d rotation vector, but i just dont know how to do it. If you know the answer please tell me.

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How do I remove an array dimension where the elements sum to zero?

- by James

I am assigning a 3D array, which contains some information for a number of different loadcases. Each row in the array defines a particular loadcase (of which there are 3) and I would like to remove the loadcase (i.e. the row) if ALL the elements of the row (in 3D) are equal to zero. The code I have at the moment is: Array = zeros(3,5) %# Initialise array Numloadcases = 3; Array(:,:,1) = [10 10 10 10 10; 0 0 0 0 0; 0 0 0 0 0;]; %# Expand to a 3D array Array(:,:,2) = [10 10 10 10 10; 0 0 0 0 0; 0 0 0 0 0;]; Array(:,:,3) = [10 10 10 10 10; 0 0 0 0 0; 0 0 20 0 0;]; Array(:,:,4) = [10 10 10 10 10; 0 0 0 0 0; 0 0 20 0 0;]; %# And to remove the second row: for i = 1:Numloadcases if sum(Array(i,:,:)) == 0 Array(i,:,:) = []; end end At the moment, the for loop I have to remove the rows causes an indexing error, as the size of the array changes in the loop. Can anyone see a work around for this?

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Flash doesn't connect to socket even though policy allows it

- by Bart van Heukelom

In my Flash app, I'm connecting to my server like this: Security.loadPolicyFile("xmlsocket://example.com:12860"); socket = new Socket("example.com", 12869); socket.writeByte(...); ... socket.flush(); At port 12860 I'm running a socket policy server, which (according to this document) correctly serves up my policy like this: 00000000 3c 70 6f 6c 69 63 79 2d 66 69 6c 65 2d 72 65 71 <policy- file-req 00000010 75 65 73 74 2f 3e 00 uest/>. 00000000 3c 63 72 6f 73 73 2d 64 6f 6d 61 69 6e 2d 70 6f <cross-d omain-po 00000010 6c 69 63 79 3e 3c 73 69 74 65 2d 63 6f 6e 74 72 licy><si te-contr 00000020 6f 6c 20 70 65 72 6d 69 74 74 65 64 2d 63 72 6f ol permi tted-cro 00000030 73 73 2d 64 6f 6d 61 69 6e 2d 70 6f 6c 69 63 69 ss-domai n-polici 00000040 65 73 3d 22 6d 61 73 74 65 72 2d 6f 6e 6c 79 22 es="mast er-only" 00000050 20 2f 3e 3c 61 6c 6c 6f 77 2d 61 63 63 65 73 73 /><allo w-access 00000060 2d 66 72 6f 6d 20 64 6f 6d 61 69 6e 3d 22 2a 22 -from do main="*" 00000070 20 74 6f 2d 70 6f 72 74 73 3d 22 31 32 38 36 39 to-port s="12869 00000080 22 20 2f 3e 3c 2f 63 72 6f 73 73 2d 64 6f 6d 61 " /></cr oss-doma 00000090 69 6e 2d 70 6f 6c 69 63 79 3e 00 in-polic y>. I get no security warnings, which I used to get before the policy server was in place. Still, the connection to port 12869 doesn't work. It's made (I can see with Wireshark and on the server), but no data is sent by Flash. It might be worth knowing that the SWF itself is served from example.com as well.

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Opengl: fit a quad to screen, given the value of Z.

- by hytparadisee

Short Version of the question: I will put a quad. I know the width and height of the screen in window coordinates, i know the Z-coordinates of the quad in 3D. I know the FOVY, I know the aspect. The quad will be put along Z-axis, My camera doesn't move (placed at 0, 0, 0). I want to find out the width and height of the quad IN 3D COORDINATES that will fit exactly onto my screen. Long Version of the question: I would like to put a quad along the Z-axis at the specified offset Z, I would like to find out the width and height of the quad that will exactly fill the entire screen. I used to have a post on gamedev.net that uses a formula similar to the following: *dist = Z * tan ( FOV / 2 )* Now I can never find the post! Though it's similar, it is still different, because I remembered in that working formula, they do make use of screenWidth and screenHeight, which are the width and height of the screen in window coordinates. I am not really familiar with concepts like frustum, fov and aspect so that's why I can't work out the formula on my own. Besides, I am sure I don't need gluUnproject (I tried it, but the results are way off). It's not some gl calls, it's just a math formula that can find out the width and height in 3D space that can fill the entire screen, IF Z offset, width in window coordinates, and height in window coordinates, are known. Thanks all in advance.

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Why does iOS 5 fail to connect to a server running JDK 1.6, but not JDK 1.5

- by KC Baltz

We have a Java Socket Server listening on an SSLSocket (port 443) and an iOS application that connects with it. When running on iOS 5.1, the application stopped working when we upgraded the Java version of the server from JDK 1.5 to 1.6 (or 1.7). The app connects just fine to JDK 5 and 6 when running on iOS 6. The iOS app is reporting an error: -9809 = errSSLCrypto. On the Java side, we get javax.net.ssl.SSLException: Received fatal alert: close_notify. On the Java server side, we have enabled all the available cipher suites. On the client side we have tested enabling several different suites, although we have yet to complete a test involving each one individually enabled. Right now, it is failing when we use TLS_DH_anon_WITH_AES_128_CBC_SHA although it has failed with others and we are starting to think it's not the suite. Here is the debug output. It makes it all the way to ServerHelloDone and then fails shortly thereafter: Is secure renegotiation: false [Raw read]: length = 5 0000: 16 03 03 00 41 ....A [Raw read]: length = 65 0000: 01 00 00 3D 03 03 50 83 1E 0B 56 19 25 65 C8 F2 ...=..P...V.%e.. 0010: AF 02 AD 48 FE E2 92 CF B8 D7 A6 A3 EA C5 FF 5D ...H...........] 0020: 74 0F 1B C1 99 18 00 00 08 00 FF 00 34 00 1B 00 t...........4... 0030: 18 01 00 00 0C 00 0D 00 08 00 06 05 01 04 01 02 ................ 0040: 01 . URT-, READ: Unknown-3.3 Handshake, length = 65 *** ClientHello, Unknown-3.3 RandomCookie: GMT: 1333992971 bytes = { 86, 25, 37, 101, 200, 242, 175, 2, 173, 72, 254, 226, 146, 207, 184, 215, 166, 163, 234, 197, 255, 93, 116, 15, 27, 193, 153, 24 } Session ID: {} Cipher Suites: [TLS_EMPTY_RENEGOTIATION_INFO_SCSV, TLS_DH_anon_WITH_AES_128_CBC_SHA, SSL_DH_anon_WITH_3DES_EDE_CBC_SHA, SSL_DH_anon_WITH_RC4_128_MD5] Compression Methods: { 0 } Unsupported extension signature_algorithms, data: 00:06:05:01:04:01:02:01 *** [read] MD5 and SHA1 hashes: len = 65 0000: 01 00 00 3D 03 03 50 83 1E 0B 56 19 25 65 C8 F2 ...=..P...V.%e.. 0010: AF 02 AD 48 FE E2 92 CF B8 D7 A6 A3 EA C5 FF 5D ...H...........] 0020: 74 0F 1B C1 99 18 00 00 08 00 FF 00 34 00 1B 00 t...........4... 0030: 18 01 00 00 0C 00 0D 00 08 00 06 05 01 04 01 02 ................ 0040: 01 . %% Created: [Session-1, TLS_DH_anon_WITH_AES_128_CBC_SHA] *** ServerHello, TLSv1 RandomCookie: GMT: 1333992972 bytes = { 100, 3, 56, 153, 7, 2, 251, 64, 41, 32, 66, 240, 227, 181, 55, 190, 2, 237, 146, 0, 73, 119, 70, 0, 160, 9, 28, 207 } Session ID: {80, 131, 30, 12, 241, 73, 52, 38, 46, 41, 237, 226, 199, 246, 156, 45, 3, 247, 182, 43, 223, 8, 49, 169, 188, 63, 160, 41, 102, 199, 50, 190} Cipher Suite: TLS_DH_anon_WITH_AES_128_CBC_SHA Compression Method: 0 Extension renegotiation_info, renegotiated_connection: <empty> *** Cipher suite: TLS_DH_anon_WITH_AES_128_CBC_SHA *** Diffie-Hellman ServerKeyExchange DH Modulus: { 233, 230, 66, 89, 157, 53, 95, 55, 201, 127, 253, 53, 103, 18, 11, 142, 37, 201, 205, 67, 233, 39, 179, 169, 103, 15, 190, 197, 216, 144, 20, 25, 34, 210, 195, 179, 173, 36, 128, 9, 55, 153, 134, 157, 30, 132, 106, 171, 73, 250, 176, 173, 38, 210, 206, 106, 34, 33, 157, 71, 11, 206, 125, 119, 125, 74, 33, 251, 233, 194, 112, 181, 127, 96, 112, 2, 243, 206, 248, 57, 54, 148, 207, 69, 238, 54, 136, 193, 26, 140, 86, 171, 18, 122, 61, 175 } DH Base: { 48, 71, 10, 213, 160, 5, 251, 20, 206, 45, 157, 205, 135, 227, 139, 199, 209, 177, 197, 250, 203, 174, 203, 233, 95, 25, 10, 167, 163, 29, 35, 196, 219, 188, 190, 6, 23, 69, 68, 64, 26, 91, 44, 2, 9, 101, 216, 194, 189, 33, 113, 211, 102, 132, 69, 119, 31, 116, 186, 8, 77, 32, 41, 216, 60, 28, 21, 133, 71, 243, 169, 241, 162, 113, 91, 226, 61, 81, 174, 77, 62, 90, 31, 106, 112, 100, 243, 22, 147, 58, 52, 109, 63, 82, 146, 82 } Server DH Public Key: { 8, 60, 59, 13, 224, 110, 32, 168, 116, 139, 246, 146, 15, 12, 216, 107, 82, 182, 140, 80, 193, 237, 159, 189, 87, 34, 18, 197, 181, 252, 26, 27, 94, 160, 188, 162, 30, 29, 165, 165, 68, 152, 11, 204, 251, 187, 14, 233, 239, 103, 134, 168, 181, 173, 206, 151, 197, 128, 65, 239, 233, 191, 29, 196, 93, 80, 217, 55, 81, 240, 101, 31, 119, 98, 188, 211, 52, 146, 168, 127, 127, 66, 63, 111, 198, 134, 70, 213, 31, 162, 146, 25, 178, 79, 56, 116 } Anonymous *** ServerHelloDone [write] MD5 and SHA1 hashes: len = 383 0000: 02 00 00 4D 03 01 50 83 1E 0C 64 03 38 99 07 02 ...M..P...d.8... 0010: FB 40 29 20 42 F0 E3 B5 37 BE 02 ED 92 00 49 77 .@) B...7.....Iw 0020: 46 00 A0 09 1C CF 20 50 83 1E 0C F1 49 34 26 2E F..... P....I4&. 0030: 29 ED E2 C7 F6 9C 2D 03 F7 B6 2B DF 08 31 A9 BC ).....-...+..1.. 0040: 3F A0 29 66 C7 32 BE 00 34 00 00 05 FF 01 00 01 ?.)f.2..4....... 0050: 00 0C 00 01 26 00 60 E9 E6 42 59 9D 35 5F 37 C9 ....&.`..BY.5_7. 0060: 7F FD 35 67 12 0B 8E 25 C9 CD 43 E9 27 B3 A9 67 ..5g...%..C.'..g 0070: 0F BE C5 D8 90 14 19 22 D2 C3 B3 AD 24 80 09 37 ......."....$..7 0080: 99 86 9D 1E 84 6A AB 49 FA B0 AD 26 D2 CE 6A 22 .....j.I...&..j" 0090: 21 9D 47 0B CE 7D 77 7D 4A 21 FB E9 C2 70 B5 7F !.G...w.J!...p.. 00A0: 60 70 02 F3 CE F8 39 36 94 CF 45 EE 36 88 C1 1A `p....96..E.6... 00B0: 8C 56 AB 12 7A 3D AF 00 60 30 47 0A D5 A0 05 FB .V..z=..`0G..... 00C0: 14 CE 2D 9D CD 87 E3 8B C7 D1 B1 C5 FA CB AE CB ..-............. 00D0: E9 5F 19 0A A7 A3 1D 23 C4 DB BC BE 06 17 45 44 ._.....#......ED 00E0: 40 1A 5B 2C 02 09 65 D8 C2 BD 21 71 D3 66 84 45 @.[,..e...!q.f.E 00F0: 77 1F 74 BA 08 4D 20 29 D8 3C 1C 15 85 47 F3 A9 w.t..M ).<...G.. 0100: F1 A2 71 5B E2 3D 51 AE 4D 3E 5A 1F 6A 70 64 F3 ..q[.=Q.M>Z.jpd. 0110: 16 93 3A 34 6D 3F 52 92 52 00 60 08 3C 3B 0D E0 ..:4m?R.R.`.<;.. 0120: 6E 20 A8 74 8B F6 92 0F 0C D8 6B 52 B6 8C 50 C1 n .t......kR..P. 0130: ED 9F BD 57 22 12 C5 B5 FC 1A 1B 5E A0 BC A2 1E ...W"......^.... 0140: 1D A5 A5 44 98 0B CC FB BB 0E E9 EF 67 86 A8 B5 ...D........g... 0150: AD CE 97 C5 80 41 EF E9 BF 1D C4 5D 50 D9 37 51 .....A.....]P.7Q 0160: F0 65 1F 77 62 BC D3 34 92 A8 7F 7F 42 3F 6F C6 .e.wb..4....B?o. 0170: 86 46 D5 1F A2 92 19 B2 4F 38 74 0E 00 00 00 .F......O8t.... URT-, WRITE: TLSv1 Handshake, length = 383 [Raw write]: length = 388 0000: 16 03 01 01 7F 02 00 00 4D 03 01 50 83 1E 0C 64 ........M..P...d 0010: 03 38 99 07 02 FB 40 29 20 42 F0 E3 B5 37 BE 02 .8....@) B...7.. 0020: ED 92 00 49 77 46 00 A0 09 1C CF 20 50 83 1E 0C ...IwF..... P... 0030: F1 49 34 26 2E 29 ED E2 C7 F6 9C 2D 03 F7 B6 2B .I4&.).....-...+ 0040: DF 08 31 A9 BC 3F A0 29 66 C7 32 BE 00 34 00 00 ..1..?.)f.2..4.. 0050: 05 FF 01 00 01 00 0C 00 01 26 00 60 E9 E6 42 59 .........&.`..BY 0060: 9D 35 5F 37 C9 7F FD 35 67 12 0B 8E 25 C9 CD 43 .5_7...5g...%..C 0070: E9 27 B3 A9 67 0F BE C5 D8 90 14 19 22 D2 C3 B3 .'..g......."... 0080: AD 24 80 09 37 99 86 9D 1E 84 6A AB 49 FA B0 AD .$..7.....j.I... 0090: 26 D2 CE 6A 22 21 9D 47 0B CE 7D 77 7D 4A 21 FB &..j"!.G...w.J!. 00A0: E9 C2 70 B5 7F 60 70 02 F3 CE F8 39 36 94 CF 45 ..p..`p....96..E 00B0: EE 36 88 C1 1A 8C 56 AB 12 7A 3D AF 00 60 30 47 .6....V..z=..`0G 00C0: 0A D5 A0 05 FB 14 CE 2D 9D CD 87 E3 8B C7 D1 B1 .......-........ 00D0: C5 FA CB AE CB E9 5F 19 0A A7 A3 1D 23 C4 DB BC ......_.....#... 00E0: BE 06 17 45 44 40 1A 5B 2C 02 09 65 D8 C2 BD 21 ...ED@.[,..e...! 00F0: 71 D3 66 84 45 77 1F 74 BA 08 4D 20 29 D8 3C 1C q.f.Ew.t..M ).<. 0100: 15 85 47 F3 A9 F1 A2 71 5B E2 3D 51 AE 4D 3E 5A ..G....q[.=Q.M>Z 0110: 1F 6A 70 64 F3 16 93 3A 34 6D 3F 52 92 52 00 60 .jpd...:4m?R.R.` 0120: 08 3C 3B 0D E0 6E 20 A8 74 8B F6 92 0F 0C D8 6B .<;..n .t......k 0130: 52 B6 8C 50 C1 ED 9F BD 57 22 12 C5 B5 FC 1A 1B R..P....W"...... 0140: 5E A0 BC A2 1E 1D A5 A5 44 98 0B CC FB BB 0E E9 ^.......D....... 0150: EF 67 86 A8 B5 AD CE 97 C5 80 41 EF E9 BF 1D C4 .g........A..... 0160: 5D 50 D9 37 51 F0 65 1F 77 62 BC D3 34 92 A8 7F ]P.7Q.e.wb..4... 0170: 7F 42 3F 6F C6 86 46 D5 1F A2 92 19 B2 4F 38 74 .B?o..F......O8t 0180: 0E 00 00 00 .... [Raw read]: length = 5 0000: 15 03 01 00 02 ..... [Raw read]: length = 2 0000: 02 00 .. URT-, READ: TLSv1 Alert, length = 2 URT-, RECV TLSv1 ALERT: fatal, close_notify URT-, called closeSocket() URT-, handling exception: javax.net.ssl.SSLException: Received fatal alert: close_notify FYI, this works in iOS 6.0

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youtube video downloaed succesfully on local, but on server(online) only 0 byte flv is downloading

- by I Like PHP

i m using php tube class to download youtube video. Video is automatically downloaded in a folder by submitting youtube video url. everything is working fine on local (XAMPP), but when i upload this to server(online), THEN ONLY 0 byte flv file is saved. i also debug the code both side( local and global ). i get the url like this( on local) http://www.youtube.com/get_video?video_id=1jNWCFwqPvM&=vjVQa1PpcFMyYCECyfmYENWklpwXGyhVgJpSFPgNAEc%3D whereas on server i got link like this http://www.youtube.com/ get_video?video_id=1jNWCFwqPvM&t=vjVQa1PpcFNS3SPxIXi8hy-NF4qZFFrScDXCjGLLrLc%3D when i copy the link getting from local and paste on browser then a download box appear on browser, whereas when i copy the link getting from server and paste on browser then only a blank page appears please solve my problem, where is the error??? how to know that pear is installed or not on server? on server side sometimes i get link like http://www.youtube.com/get_video?video_id=1jNWCFwqPvM&t=vjVQa1PpcFNS3SPxIXi8hy-NF4qZFFrScDXCjGLLrLc%3D but sometimes i get only http://www.youtube.com/get_video?video_id=&t= please guide me how to solve these? Thanks in advance to all my seniors

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Maintaining Mouse Control in Embedded swfs (i.e. parent / child ) Flash cs4 AS3

- by garydev

Hello to all, I have an issue that is driving me nuts. I have an AS3 application that performs a calculation based upon user's input to determine a result. The purpose is to predict the results of a horse's coat color based on the genetics. The results are given in a 3d model swfs that are loaded into the "shell's" UILoader Component and they rotate. I have an example of this here: http://www.provideoshow.com/coatcalculator/coat_calculator.html As you can see this works fine with an "auto-rotate" feature. The problem is that my client wants the 3d models to be rotated by the user's mouse. I have the 3d models rotating with the mouse but they only work when they are stand alone swfs. They break when they are loaded into the shell. Some research informs me that the issue is in the stage properties and the parent not receiving them from the child. I've gotten some advice that I need to pass a reference to the shell's stage and preferably in the init function. This is the code I have in the child which is loaded as a class public function Main_master_withmouse() { if(stage) { _stage = stage; init(stage); } } protected function init(rootStage:Stage):void { if(rootStage) { _stage = rootStage; } else { _stage = this.stage; } sceneWidth = _stage.stageWidth createChildren(); startRendering(); } I can't figure out what to put in the parent to pass the reference to its stage. Any help is greatly appreciated. Thank you in advance

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Projecting an object into a scene based on world coordinates only

- by user354862

I want to place a 3D image into a scene base on world/global coordinates. I have an image of a scene. The image was captures at some global coordinate (x1, y1, z1). I am given an object that needs to be placed into this scene based on its global coordinate (x2, y2, y3). This object needs to be projected into the scene accurately similarly to perspective projection. An example may help to make this clear. Imagine there is a parking lot with some set of global coordinates. A picture is taken of a portion of the parking lot. The coordinates from the spot where the image was taken is recorded. The goal is to place a virtual vehicle into this image using the global coordinates for that vehicle. Because the global cooridnates for the vehicle may not be in the fov of the global coordinates for the image I am assuming that I will need the image coordinates, angle and possibly fov. 3D graphics is not my area so I have been looking at http://en.wikipedia.org/wiki/Perspective_projection#Perspective_projection. I have also been looking at Matrix3DProjection which seems to possibly be what I am looking for but it only works in Silverlight and I am trying to do this in WPF. In my mind it appears I need to determine the (X,Y,Z) coordinates that are in the fov of the image, determine the world coordinate to pixel conversion and then accurately project the vehicle into the image giving it the correct perspective such that is looks 3D i.e smaller the further away bigger closer Is there a function within WPF that can help with this or will I need to re-learn matrices and do this by hand?

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GRUB doesn't recognize partitions on one harddisk

- by knizz

I have a dualboot computer with Windows Vista (on hd0) and Ubuntu 9.10. The bootloader is GRUB and the windows bootloader lets me decide between Vista and Ubuntu-Installation (broken WuBi). But now (i don't know why that changed) I can't use start the windows-bootloader anymore. I tried "ls" on the grub-prompt and it gave me a list like: (hd0) (hd1) (hd1,0) (hd1,1) (hd1,2) ... (fd0) It recognizes all partitions of hd1 (the ubuntu-harddisk) but not of hd0(the win-disk). .. WHY? Here is the result of the "boot info script" for the technical details: Boot Info Script 0.55 dated February 15th, 2010 ============================= Boot Info Summary: ============================== => Grub 2 is installed in the MBR of /dev/sda and looks for (UUID=a7c510e3-2399-437b-ab92-fa609e48d63f)/boot/grub. => No boot loader is installed in the MBR of /dev/sdb sda1: _________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista/7 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Windows Vista Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe /wubildr.mbr /wubildr sda2: _________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista/7 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files/dirs: sdb1: _________________________________________________________________________ File system: Boot sector type: Unknown Boot sector info: Mounting failed: mount: unbekannter Dateisystemtyp „“ sdb2: _________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista/7 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files/dirs: sdb3: _________________________________________________________________________ File system: Bios Boot Partition Boot sector type: - Boot sector info: sdb4: _________________________________________________________________________ File system: ext4 Boot sector type: - Boot sector info: Operating System: Ubuntu 9.10 Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img sdb5: _________________________________________________________________________ File system: swap Boot sector type: - Boot sector info: =========================== Drive/Partition Info: ============================= Drive: sda ___________________ _____________________________________________________ Platte /dev/sda: 640.1 GByte, 640135028736 Byte 255 Köpfe, 63 Sektoren/Spuren, 77825 Zylinder, zusammen 1250263728 Sektoren Einheiten = Sektoren von 1 × 512 = 512 Bytes Disk identifier: 0x52554d66 Partition Boot Start End Size Id System /dev/sda1 * 2,048 307,202,047 307,200,000 7 HPFS/NTFS /dev/sda2 307,202,048 1,250,258,943 943,056,896 7 HPFS/NTFS Drive: sdb ___________________ _____________________________________________________ Platte /dev/sdb: 640.1 GByte, 640135028736 Byte 255 Köpfe, 63 Sektoren/Spuren, 77825 Zylinder, zusammen 1250263728 Sektoren Einheiten = Sektoren von 1 × 512 = 512 Bytes Disk identifier: 0x00000000 Partition Boot Start End Size Id System /dev/sdb1 1 1,250,263,727 1,250,263,727 ee GPT GUID Partition Table detected. Partition Start End Size System /dev/sdb1 34 262,177 262,144 Microsoft Windows /dev/sdb2 262,178 1,131,253,933 1,130,991,756 Linux or Data /dev/sdb3 1,131,253,934 1,131,255,887 1,954 Bios Boot Partition /dev/sdb4 1,131,255,888 1,245,312,528 114,056,641 Linux or Data /dev/sdb5 1,245,312,529 1,250,263,694 4,951,166 Linux Swap blkid -c /dev/null: ____________________________________________________________ Device UUID TYPE LABEL /dev/sda1 AE1440441440122F ntfs /dev/sda2 3AE66E4DE66E0A09 ntfs data /dev/sdb2 5419D16119DAA4DE ntfs LaufwerkD /dev/sdb4 a7c510e3-2399-437b-ab92-fa609e48d63f ext4 /dev/sdb5 60a0143a-e01b-450a-bbd1-f22059e47b65 swap ============================ "mount | grep ^/dev output: =========================== Device Mount_Point Type Options /dev/sdb4 / ext4 (rw,errors=remount-ro) =========================== sdb4/boot/grub/grub.cfg: =========================== # # DO NOT EDIT THIS FILE # # It is automatically generated by /usr/sbin/grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s /boot/grub/grubenv ]; then have_grubenv=true load_env fi set default="0" if [ ${prev_saved_entry} ]; then saved_entry=${prev_saved_entry} save_env saved_entry prev_saved_entry= save_env prev_saved_entry fi insmod ext2 set root=(hd1,4) search --no-floppy --fs-uuid --set a7c510e3-2399-437b-ab92-fa609e48d63f if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=640x480 insmod gfxterm insmod vbe if terminal_output gfxterm ; then true ; else # For backward compatibility with versions of terminal.mod that don't # understand terminal_output terminal gfxterm fi fi if [ ${recordfail} = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/white ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### menuentry "Ubuntu, Linux 2.6.31-20-generic" { recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi set quiet=1 insmod ext2 set root=(hd1,4) search --no-floppy --fs-uuid --set a7c510e3-2399-437b-ab92-fa609e48d63f linux /boot/vmlinuz-2.6.31-20-generic root=UUID=a7c510e3-2399-437b-ab92-fa609e48d63f ro quiet splash initrd /boot/initrd.img-2.6.31-20-generic } menuentry "Ubuntu, Linux 2.6.31-20-generic (recovery mode)" { recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi insmod ext2 set root=(hd1,4) search --no-floppy --fs-uuid --set a7c510e3-2399-437b-ab92-fa609e48d63f linux /boot/vmlinuz-2.6.31-20-generic root=UUID=a7c510e3-2399-437b-ab92-fa609e48d63f ro single initrd /boot/initrd.img-2.6.31-20-generic } menuentry "Ubuntu, Linux 2.6.31-14-generic" { recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi set quiet=1 insmod ext2 set root=(hd1,4) search --no-floppy --fs-uuid --set a7c510e3-2399-437b-ab92-fa609e48d63f linux /boot/vmlinuz-2.6.31-14-generic root=UUID=a7c510e3-2399-437b-ab92-fa609e48d63f ro quiet splash initrd /boot/initrd.img-2.6.31-14-generic } menuentry "Ubuntu, Linux 2.6.31-14-generic (recovery mode)" { recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi insmod ext2 set root=(hd1,4) search --no-floppy --fs-uuid --set a7c510e3-2399-437b-ab92-fa609e48d63f linux /boot/vmlinuz-2.6.31-14-generic root=UUID=a7c510e3-2399-437b-ab92-fa609e48d63f ro single initrd /boot/initrd.img-2.6.31-14-generic } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### menuentry "Windows Vista (loader) (on /dev/sda1)" { insmod ntfs set root=(hd0,1) search --no-floppy --fs-uuid --set ae1440441440122f chainloader +1 } ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### =============================== sdb4/etc/fstab: =============================== # /etc/fstab: static file system information. # # Use 'blkid -o value -s UUID' to print the universally unique identifier # for a device; this may be used with UUID= as a more robust way to name # devices that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc defaults 0 0 # / was on /dev/sdb4 during installation UUID=a7c510e3-2399-437b-ab92-fa609e48d63f / ext4 errors=remount-ro 0 1 # swap was on /dev/sdb5 during installation UUID=60a0143a-e01b-450a-bbd1-f22059e47b65 none swap sw 0 0 /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0 /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0 =================== sdb4: Location of files loaded by Grub: =================== 583.8GB: boot/grub/core.img 583.8GB: boot/grub/grub.cfg 579.7GB: boot/initrd.img-2.6.31-14-generic 580.0GB: boot/initrd.img-2.6.31-20-generic 579.7GB: boot/vmlinuz-2.6.31-14-generic 579.8GB: boot/vmlinuz-2.6.31-20-generic 580.0GB: initrd.img 579.7GB: initrd.img.old 579.8GB: vmlinuz 579.7GB: vmlinuz.old =========================== Unknown MBRs/Boot Sectors/etc ======================= Unknown BootLoader on sdb1 00000000 54 34 dc 3b 8b ff 6c fa 3e 59 3d 24 25 af 5f 9b |T4.;..l.>Y=$%._.| 00000010 72 f8 36 3d 56 30 22 fd c6 08 5e 39 7f dc 29 48 |r.6=V0"...^9..)H| 00000020 48 e5 24 52 77 b0 fc 64 b6 ce 48 c3 07 ce b5 81 |H.$Rw..d..H.....| 00000030 06 68 60 4f 6e fb 83 92 df 3a 54 b9 df 21 2a cd |.h`On....:T..!*.| 00000040 1e 2f e2 49 fe cf 81 2d 52 17 1a 4e 66 b4 f3 f0 |./.I...-R..Nf...| 00000050 41 25 e3 96 26 28 fe 19 61 72 75 f8 40 a3 b7 ef |A%..&(..aru.@...| 00000060 5f 79 dc cb 28 44 44 7c 9b 9a 7b 6c 4b 4b 60 0f |_y..(DD|..{lKK`.| 00000070 a9 97 87 bc 85 9f db bb d2 1a 88 9f aa 49 18 d5 |.............I..| 00000080 92 2d db 7e fe f7 8d 7a 18 c0 33 c5 bd 7a 46 07 |.-.~...z..3..zF.| 00000090 c8 27 13 66 94 49 62 9f bc 99 56 55 25 fb 94 a9 |.'.f.Ib...VU%...| 000000a0 3f b2 a7 0a 87 d0 a4 4e 51 f1 09 02 c4 29 eb ff |?......NQ....)..| 000000b0 26 3b 51 3e 5a 0c db ee a6 57 a7 c3 ba a1 74 90 |&;Q>Z....W....t.| 000000c0 ee 70 08 18 cc b8 d0 22 ce 96 c7 cb 68 40 98 20 |.p....."....h@. | 000000d0 49 3d 07 ec df d1 8d cf 19 bc 42 90 70 24 01 b4 |I=........B.p$..| 000000e0 28 cf c6 50 d3 95 5a 1b 18 15 33 c7 b2 a8 95 92 |(..P..Z...3.....| 000000f0 bb 93 fe 18 2b 81 c1 6b 9c 30 f1 65 50 6a 80 3d |....+..k.0.ePj.=| 00000100 74 37 a8 59 a6 51 8a 63 b6 d8 16 9f a9 47 2a 7c |t7.Y.Q.c.....G*|| 00000110 04 a7 fe 69 47 02 bf e9 b7 1b 7a ea 60 5c 3c 53 |...iG.....z.`\<S| 00000120 5b 10 78 dc 4d d2 a8 22 30 45 37 fb 56 06 9f 06 |[.x.M.."0E7.V...| 00000130 aa df cf 87 3a 3e cf 72 f2 e5 a6 c6 aa e2 7c 1c |....:>.r......|.| 00000140 64 c2 fc 80 ce 02 fc 7f 0f c6 60 81 bf cd 3b 5a |d.........`...;Z| 00000150 37 a5 38 1b 0c 1b 39 2e d6 f6 3d a2 36 e5 87 c3 |7.8...9...=.6...| 00000160 17 b5 fd ee 33 c7 ce a3 d9 c2 57 dc ee 85 48 9d |....3.....W...H.| 00000170 33 60 02 cd c5 83 44 44 ea b6 07 25 0a 4b a6 6e |3`....DD...%.K.n| 00000180 fc 51 42 cd 84 0b 65 b6 19 a1 e5 b2 eb 14 0c fa |.QB...e.........| 00000190 24 77 f5 44 6e 5d 39 dd b6 8e cc f8 30 fe 21 46 |$w.Dn]9.....0.!F| 000001a0 9c ff 95 c6 c7 b5 0a df 54 ca d2 ac bc 64 d0 97 |........T....d..| 000001b0 94 54 d9 29 0f 91 60 20 c3 e4 53 c2 b0 e4 40 72 |.T.)..` ..S...@r| 000001c0 7e 25 bc 81 06 ad 05 46 14 a7 e6 71 6b 5c db 9c |~%.....F...qk\..| 000001d0 0a 5e 76 23 ae 06 01 36 98 21 65 2c 90 e7 4b 1a |.^v#...6.!e,..K.| 000001e0 2a 2d 80 a5 48 db 9e 14 e0 9f e9 aa 00 e3 77 32 |*-..H.........w2| 000001f0 0f fd 94 db 55 a6 64 46 be ae ca de da ee 89 68 |....U.dF.......h| 00000200 =======Devices which don't seem to have a corresponding hard drive============== sdc sdd sde

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Unable to resolve hostname on a proxy network

- by ali

I can browse sites using firefox configured with proxy 172.1.6.0.6:3128 resolv.conf domain pudhcp.ac.in search pudhcp.ac.in nameserver 172.16.0.7 I checked with Windows and I found the same DNS server settings 127.0.0.1 bt 127.0.1.1 bt Above is the hosts file I modified the top line from localhost to bt still not working bt is the hostname Still I can't ping to google.com - it is showing unable to resolv hostname I tried all solutions,I guess proxy is used even for DNS resolution root@bt:~# dhclient There is already a pid file /var/run/dhclient.pid with pid 7157 killed old client process, removed PID file Internet Systems Consortium DHCP Client V3.1.1 Copyright 2004-2008 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/sw/dhcp/ Listening on LPF/eth1/5c:ac:4c:b1:0c:7c Sending on LPF/eth1/5c:ac:4c:b1:0c:7c Listening on LPF/eth0/60:eb:69:18:4d:3d Sending on LPF/eth0/60:eb:69:18:4d:3d Sending on Socket/fallback DHCPREQUEST of 172.16.6.87 on eth0 to 255.255.255.255 port 67 DHCPACK of 172.16.6.87 from 172.16.6.1 bound to 172.16.6.87 -- renewal in 79432 seconds.

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Server 2008 R2 How to Change Windows 7 Basic Theme Color

- by Wes Sayeed

We're deploying thin clients connecting to a terminal server farm. The computers have high visibility to the public and I would like them to at least look presentable and not like something out of 1995. So I installed the Desktop Experience feature and enabled the Theme service. The server will not support Aero because it has no 3D graphics, but we can enable the Windows 7 Basic theme, which has the Aero look without the 3D effects. The problem with that theme is that you can select any window color you want, as long as it's baby boy blue. Is there a way to make those windows another color? The window color controls do nothing.

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Xen on bare metal, Mac OS X 10.6, Vista, Debian as guest OSes

- by Mischa Arefiev

I have: a desktop PC (Athlon 64, 2 cores) ...that came with Windows Vista, and a retail DVD of Mac OS X 10.6 I want: to install Mac OS X through Hackintosh (I believe my hardware is suitable), to also run Windows Vista with full 3D support for video games and Youtube, to also run Debian GNU/Linux with optional 3D for work. I don't think my CPU supports VT-x, but it should have AMD-V. So the question is: Can all of this be done with Xen (Xen on bare metal, all three OSes as guests)? Or should I just try to install OS X first and then run Vista and Debian in Parallels?

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Remote Desktop not following display settings

- by John

I have my RDP client set up to use highest settings for connecting to another PC on my LAN, which has display settings 1280x1024x32bit. RDP is specifically set to use 32bit depth, but when I connect it drops to 16bit. The PC I connect to is (amongst other things) used to do some 3D graphics. I don't expect great performance, just to check it works... but it doesn't over RDP, the 3D app doesn't think the hardware is the same. Does RDP's integration with Windows mean it is providing some virtualised rendering system? Should I use something less 'clever' like VNC, to literally screen-grab the contents of the screen without altering the settings?

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How can I get my Sapphire Radeon 7850 to output in "1080p"?

- by Fr33dan

I have a Radeon 7850 connected to a Vizio 3D compatible TV. The TV has a function to parse and display SBS encoded content. On my old graphics card (a Radeon 5770) I just had to select the 1080p option in the catalyst control center. In this mode my TV reported the output mode as "1080p", with the new card the TV reports "1920x1080". I cannot figure out what the difference in between the 2 signals but the "1920x1080" cannot be switched into 3D mode by the TV. Weirdly, before windows starts the (in the Bios and so forth) the computer outputs in "1080p" so I know the card is capable of it. As soon as the blue login screen comes up though it changes back to the "1920x1080". I've tried everthing I can think of. Updated my drivers from 13.3b3 to 13.4, then even tried the 13.5 beta (Which I'm still on this moment). Tried all the "optimized" HD settings in catalyst, even the 720p modes show the resolution from the TV and not the "720p" (which it used to do on the old card when I had to lower the resolution of games)

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What are my X client options for MS Windows?

- by Nick Bolton

I need to connect to a headless X Windows server (running on Ubuntu) from my MS Windows 7 computer over a 100 Mbit network. I could use VNC (or any other remote viewer) but the 3D graphics performance would be lousy I imagine. I used to have it hooked up to a monitor, but that's broken now and I can't afford a new one. A friend advised that I could try and use an X client, and that the 3D graphics wont suffer too much over 100 Mbit. Cygwin seems to be an option, but I was wondering if there were any more lightweight options.

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nginx connection reset

- by Steve

When first visiting my site after not visiting it for a few minutes, the connection is "reset" 100% of the time. I get this message when debug is turned on, along with a 400 bad request status message: client prematurely closed connection while reading client request line I've read that this could be caused by large_client_header_buffers setting. I have google analytics on my site. Using live http headers, I get this as the request: `GET /__utm.gif?utmwv=5.3.7&utms=35&utmn=745612186&utmhn=domain.com&utmcs=UTF-8&utmsr=1920x1080&utmvp=1841x903&utmsc=24-bit&utmul=en-us&utmje=1&utmfl=11.4%20r402&utmdt=2006Scape%20Forums%20-%20General&utmhid=2004697163&utmr=0&utmp=%2Fservices%2Fforums%2Fboard.ws%3F3%2C4&utmac=UA-25674897-2&utmcc=__utma%3D68455186.1647889527.1351640625.1352446442.1352451659.100%3B%2B__utmz%3D68455186.1352097329.64.2.utmcsr%3Ddomain.com%7Cutmccn%3D(referral)%7Cutmcmd%3Dreferral%7Cutmcct%3D%2Fservices%2Fforums%2Fboard.ws%3B&utmu=q~ HTTP/1.1 my large_client_header_buffers in nginx is set to 4 8k, so I don't know if this is the problem. Immediate requests have the first "reset" request are all successful.

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wget-ing protected content with exported cookies

- by XXL

i have exported a pair of cookies from firefox that are valid for the URL in question and tried accessing/downloading the protected content off that addr., but the end result is a return to the login page. i have tried doing about the same thing for 3 other websites with similiar outcome. any clues as to what might i be doing wrong? the syntax i'm using: wget --load--cokies=FILE URL DEBUG output created by Wget 1.12 on linux-gnu. Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_login lz8xZQ%3D%3D Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_pass 2fd4e1c67a2d28fced849ee1bb76e74a Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_uid GZX4TDA%3D --2011-01-14 13:57:02-- www.x.org/download.php?id=397003 Resolving www.x.org... 1.1.1.1 Caching www.x.org = 1.1.1.1 Connecting to www.x.org|1.1.1.1|:80... connected. Created socket 5. Releasing 0x0943ef20 (new refcount 1). ---request begin--- GET /download.php?id=397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: / Host: www.x.org Connection: Keep-Alive ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 302 Found Date: Fri, 14 Jan 2011 11:26:19 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Set-Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 Vary: Accept-Encoding Content-Length: 0 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: text/html ---response end--- 302 Found Stored cookie www.x.org -1 (ANY) / [expiry none] PHPSESSID 5f2fd97103f8988554394f23c5897765 Registered socket 5 for persistent reuse. Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 [following] Skipping 0 bytes of body: [] done. --2011-01-14 13:57:02-- www.x.org/login.php?returnto=download.php%3Fid%3D397003 Reusing existing connection to www.x.org:80. Reusing fd 5. ---request begin--- GET /login.php?returnto=download.php%3Fid%3D397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: / Host: www.x.org Connection: Keep-Alive Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765 ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 200 OK Date: Fri, 14 Jan 2011 11:26:20 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Vary: Accept-Encoding Content-Length: 2171 Keep-Alive: timeout=15, max=99 Connection: Keep-Alive Content-Type: text/html ---response end--- 200 OK Length: 2171 (2.1K) [text/html] Saving to: `x.out' 0K .. 100% 18.7M=0s 2011-01-14 13:57:02 (18.7 MB/s) - `x.out' saved [2171/2171]

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wget-ing protected content with exported cookies

- by XXL

I have exported a pair of cookies from Firefox that are valid for the URL in question and tried accessing/downloading the protected content off that address, but the end result is a return to the login page. I have tried doing the same thing for 3 other websites with similar outcome. Any clues as to what I might be doing wrong? The syntax I'm using: wget --load--cookies=FILE URL ----------------------------------------------- DEBUG output created by Wget 1.12 on linux-gnu. Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_login lz8xZQ%3D%3D Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_pass 2fd4e1c67a2d28fced849ee1bb76e74a Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_uid GZX4TDA%3D --2011-01-14 13:57:02-- www.x.org/download.php?id=397003 Resolving www.x.org... 1.1.1.1 Caching www.x.org => 1.1.1.1 Connecting to www.x.org|1.1.1.1|:80... connected. Created socket 5. Releasing 0x0943ef20 (new refcount 1). ---request begin--- GET /download.php?id=397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: */* Host: www.x.org Connection: Keep-Alive ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 302 Found Date: Fri, 14 Jan 2011 11:26:19 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Set-Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 Vary: Accept-Encoding Content-Length: 0 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: text/html ---response end--- 302 Found Stored cookie www.x.org -1 (ANY) / <session> <insecure> [expiry none] PHPSESSID 5f2fd97103f8988554394f23c5897765 Registered socket 5 for persistent reuse. Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 [following] Skipping 0 bytes of body: [] done. --2011-01-14 13:57:02-- www.x.org/login.php?returnto=download.php%3Fid%3D397003 Reusing existing connection to www.x.org:80. Reusing fd 5. ---request begin--- GET /login.php?returnto=download.php%3Fid%3D397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: */* Host: www.x.org Connection: Keep-Alive Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765 ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 200 OK Date: Fri, 14 Jan 2011 11:26:20 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Vary: Accept-Encoding Content-Length: 2171 Keep-Alive: timeout=15, max=99 Connection: Keep-Alive Content-Type: text/html ---response end--- 200 OK Length: 2171 (2.1K) [text/html] Saving to: `x.out' 0K .. 100% 18.7M=0s 2011-01-14 13:57:02 (18.7 MB/s) - `x.out' saved [2171/2171]

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Someone try to hack my site, want to understand the log

- by garconcn

I have a wordpress site hosted on CentOS 6. After see the following access log, I checked the server, it seems ok. Can anyone explain what does this guy trying to do? Did they get what they want? I have disabled allow_url_include, and restricted open_basedir to web dir and tmp(/etc is not in the path). 190.26.208.130 - - [05/Sep/2012:21:24:42 -0700] "POST http://my_ip/?-d%20allow_url_include%3DOn+-d%20auto_prepend_file%3D../../../../../../../../../../../../etc/passwd%00%20-n/?-d%20allow_url_include%3DOn+-d%20auto_prepend_file%3D../../../../../../../../../../../../etc/passwd%00%20-n HTTP/1.1" 200 32656 "-" "Mozilla/5.0"

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Low end dedicated GPU vs. integrated Intel graphics (for light CAD work)

- by PaulJ

I have been asked to spec a PC for an interior design business. They are going to do some AutoCAD work (but they won't be using massive datasets or anything), and also use Kitchen Draw, a program that has 3D visualization features and says, in its requirements, that "a recent NVidia or ATI card might be enough". Since they are very limited budget-wise, I had originally picked a GeForce GT 610 card, but this card is so low end that I'm left wondering whether it will be an improvement at all over the dedicated Intel HD2500 graphics chip that comes with the CPU (I will be using an Ivy-Bridge Intel i5). Most of the information I see around is for gaming, which isn't really relevant in my case. Basically, for the use case I've described (light 3D work), can one get away with a current Intel HD graphics chipset? And will a low end GPU like the GT 610 provide a noticeable improvement?

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Launching Intent.ACTION_VIEW intent not working on saved image file

- by Savvas Dalkitsis

First of all let me say that this questions is slightly connected to another question by me. Actually it was created because of that. I have the following code to write a bitmap downloaded from the net to a file in the sd card: // Get image from url URL u = new URL(url); HttpGet httpRequest = new HttpGet(u.toURI()); HttpClient httpclient = new DefaultHttpClient(); HttpResponse response = (HttpResponse) httpclient.execute(httpRequest); HttpEntity entity = response.getEntity(); BufferedHttpEntity bufHttpEntity = new BufferedHttpEntity(entity); InputStream instream = bufHttpEntity.getContent(); Bitmap bmImg = BitmapFactory.decodeStream(instream); instream.close(); // Write image to a file in sd card File posterFile = new File(Environment.getExternalStorageDirectory().getAbsolutePath()+"/Android/data/com.myapp/files/image.jpg"); posterFile.createNewFile(); BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(posterFile)); Bitmap mutable = Bitmap.createScaledBitmap(bmImg,bmImg.getWidth(),bmImg.getHeight(),true); mutable.compress(Bitmap.CompressFormat.JPEG, 100, out); out.flush(); out.close(); // Launch default viewer for the file Intent intent = new Intent(); intent.setAction(android.content.Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse(posterFile.getAbsolutePath()),"image/*"); ((Activity) getContext()).startActivity(intent); A few notes. I am creating the "mutable" bitmap after seeing someone using it and it seems to work better than without it. And i am using the parse method on the Uri class and not the fromFile because in my code i am calling these in different places and when i am creating the intent i have a string path instead of a file. Now for my problem. The file gets created. The intent launches a dialog asking me to select a viewer. I have 3 viewers installed. The Astro image viewer, the default media gallery (i have a milstone on 2.1 but on the milestone the 2.1 update did not include the 3d gallery so it's the old one) and the 3d gallery from the nexus one (i found the apk in the wild). Now when i launch the 3 viewers the following happen: Astro image viewer: The activity launches but i see nothing but a black screen. Media Gallery: i get an exception dialog shown "The application Media Gallery (process com.motorola.gallery) has stopped unexpectedly. Please try again" with a force close option. 3D gallery: Everything works as it should. When i try to simply open the file using the Astro file manager (browse to it and simply click) i get the same option dialog but this time things are different: Astro image viewer: Everything works as it should. Media Gallery: Everything works as it should. 3D gallery: The activity launches but i see nothing but a black screen. As you can see everything is a complete mess. I have no idea why this happens but it happens like this every single time. It's not a random bug. Am i missing something when i am creating the intent? Or when i am creating the image file? Any ideas?

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