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Search found 233 results on 10 pages for 'mat e'.

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• Validating IPv4 string in Java

  - by Mat Banik

  Bellow method is validating if string is correct IPv4 address it returns true if it is valid. Any improvements in regex and elegance would be very appreciated: public static boolean validIP(String ip) { if (ip == null || ip.isEmpty()) return false; ip = ip.trim(); if ((ip.length() < 8) & (ip.length() > 15)) return false; …

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• Can a JPEG compressed image be rotated without a loss in quality?

  - by Mat

  JPEG is a lossy compression scheme, so decompression-manipulation-recompression normally reduces the image quality further for each step. Is it possible to rotate a JPEG image without incurring further loss? From what little I know of the JPEG algorithm, it naively seems possible to avoid further loss with a bit of effort. Which common image…

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• Recommended lightweight jQuery lightbox plug-in?

  - by Mat Harden

  I need a lightbox plugin that is styled similar to FancyBox but will allow me to add text to the same white background as the image. Lightweight because I don't want many features as it's going to be added to an already heavy JS page. Preferably without Ajax features as I'll be handling this myself. Therefore I'm ruling out the use of…

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• Count the number of emails each day in Outlook 2003?

  - by Mat Nadrofsky

  This is for a little pet project of mine. I want to write a program that does some email analytics and tells you the number of emails coming in and out each day, as well as your percentages. Really, all I need to do to kick this off is write a .Net app that can talk with Outlook and count the number of messages received and sent for…

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• Batch & log files

  - by Mat

  Hi All, Please help!!! ;) I have a problem with this code in a batch file (Linux): Mil=`date +"%Y%m%d%H%M%S"` batch=`echo "${DatMusic}"` TabimportEnteteMusic="importentetemusic.dat" { grep '^ENTETE' ${IMPORT}/${DatMusic} > ${IMPORT}/$TabimportEnteteMusic mysql -u basemine --password="basemine" -D basemine -e…

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• C++ difference of keywords 'typename' and 'class' in templates

  - by Mat

  For templates I have seen both declarations: template < typename T > And: template < class T > What's the difference? And what exactly do those keywords mean in the following example (taken from the German Wikipedia article about templates)? template < template < typename, typename > class Container,…

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• One row is skipped each time the program scans a matrix from file !

  - by ZaZu

  Hello there, I had this code working yesterday, but it seems like I edited it a bit and lost the working version. I cant get this to work anymore. I basically want to scan a matrix from a .txt file. But each time it scans the first row, the second one is skipped, and it reads the third instead :( Here is my code : …

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• Transposing a matrix

  - by ZaZu

  Hello, I want to transpose a matrix, its a very easy task but its not working with me : int testtranspose(testing *test,testing *test2){ int i,j; (*test2).colsmat2=(*test).rowsmat1; (*test2).rowsmat2=(*test).colsmat1 for(i=0;i<(*test).rowsmat1;i++){ for(j=0;j<(*test).colsmat1;j++){ …

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• regex and javascript, some matches disappear !

  - by dader51

  Here is the code : > var reg = new RegExp(" hel.lo ", 'g'); > > var str = " helalo helblo helclo heldlo "; > > var mat = str.match(reg); > > alert(mat); It alerts "helalo, helclo", but i expect it to be "helalo, helblo, helclo, heldlo" . Only the half of them matches, I guess…

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• Memory leaks getting sub-images from video (cvGetSubRect)

  - by dnul

  Hi, i'm trying to do video windowing that is: show all frames from a video and also some sub-image from each frame. This sub-image can change size and be taken from a different position of the original frame. So , the code i've written does basically this: cvQueryFrame to get a new image from the…

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• Parenting Opengl with Groups in LibGDX

  - by Rudy_TM

  I am trying to make an object child of a Group, but this object has a draw method that calls opengl to draw in the screen. Its class its this public class OpenGLSquare extends Actor { private static final ImmediateModeRenderer renderer = new ImmediateModeRenderer10(); private static…

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• Parrallels lance son Desktop Upgrade to Windows 7, pour migrer simplement vers le nouvel OS de Micro

  Parrallels lance son Desktop Upgrade to Windows 7, pour migrer simplement vers le nouvel OS de Microsoft Lors de la conférence de presse bilan d'hier matin, retraçant les résultats des six premiers mois de commercialisation de Windows 7, l'éditeur Parallels a annoncé la sortie de la solution…

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• Bitmap font rendering, UV generation and vertex placement

  - by jack

  I am generating a bitmap, however, I am not sure on how to render the UV's and placement. I had a thread like this once before, but it was too loosely worded as to what I was looking to do. What I am doing right now is creating a large 1024x1024 image with characters evenly placed every 64…

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• ?????Java EE??????????(?2?)????

  - by Masa Sasaki

  WebLogic Server?????????????WebLogic Server???????? 2014?6?24?? ??48?WebLogic Server???@??????????? ?????????Java EE???????????????(?4?)??2???? 5?27?????????1? Java EE&WebLogic Server??? ?Web ?????????????Java??????????????????????????? Java EE????????????????WebLogic…

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• scipy.io typeerror:buffer too small for requested array

  - by kartiku

  I have a problem in python. I'm using scipy, where i use scipy.io to load a .mat file. The .mat file was created using MATLAB. listOfFiles = os.listdir(loadpathTrain) for f in listOfFiles: fullPath = loadpathTrain + '/' + f mat_contents =…

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• openCV Won't copy to image after changed color ( opencv and c++ )

  - by user1656647

  I am a beginner at opencv. I have this task: Make a new image Put a certain image in it at 0,0 Convert the certain image to gray scale put the grayscaled image next to it ( at 300, 0 ) This is what I did. I have a class imagehandler that has constructor and…

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• Functional way to get a matrix from text

  - by Elazar Leibovich

  I'm trying to solve some Google Code Jam problems, where an input matrix is typically given in this form: 2 3 #matrix dimensions 1 2 3 4 5 6 7 8 9 # all 3 elements in the first row 2 3 4 5 6 7 8 9 0 # each element is composed of three integers where each…

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• Using pthread to perform matrix multiplication

  - by shadyabhi

  I have both matrices containing only ones and each array has 500 rows and columns. So, the resulting matrix should be a matrix of all elements having value 500. But, I am getting res_mat[0][0]=5000. Even other elements are also 5000. Why? …

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• How to determine the data type of a CvMat

  - by Chris

  When using the CvMat type, the type of data is crucial to keeping your program running. For example, depending on whether your data is type float or unsigned char, you would choose one of these two commands: cvmGet(mat, row, col);…

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• Trouble using latex in Matplotlib / Scipy etc.

  - by ajhall

  I'm having some issues with my first attempts at using matplotlib and scipy to make some scatter plots of my data (too many variables, trying to see many things at once). Here's some code of mine that is working fairly well... …

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• help with javamail api

  - by bobby

  import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import javax.mail.*; import javax.mail.internet.*; import javax.mail.event.*; import java.net.*; import java.util.*; public class servletmail extends…

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• Out-of-memory algorithms for addressing large arrays

  - by reve_etrange

  I am trying to deal with a very large dataset. I have k = ~4200 matrices (varying sizes) which must be compared combinatorially, skipping non-unique and self comparisons. Each of k(k-1)/2 comparisons produces a matrix,…

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• Why won't this work; opencv Mat_<float>

  - by user1371674

  I can't seem to get this to work. I'm trying to get the pixel value of an image but first need to change the color of the image, but since I cannot use int or just Mat because the values are not whole numbers, I have to…

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• Powering-down USB Powered Devices on laptop sleep

  - by Carl

  I recently purchased a Targus Lap Chill Mat, which is a USB powered device, but doesn't have any interface/storage/etc function. I'd like it to power-down when my (macbook) laptop sleeps (since the fan obviously…

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• Server Config on Github Security Considerations?

  - by Alan Griffith

  What are the security considerations of having my server configs in a repo on Github with world read-only access. I know to not include /etc/shadow and other password files. I'd like to share any of my good…

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