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  • Cloud HUGE data storage options?

    - by ToughPal
    Hi, Does anyone have a good suggestion on how to do video recording? We have a camera that can record and then stream live video to a server. So this means we can have 1000's of cameras sending data 24X7 for recording. We will store data for over 7 / 14 / 30 days depending on the package. Per day if a camera is sending data to the server then it will store 1.5GB. So that means there is a traffic of 1.5GB / day / camera Total monthly 45GB / month / camera (Data + bandwidth for one camera) Please let me know the most cost effective way to get this data stored? Thanks!

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  • Getting all pdf files from a domain (for example *.adomain.com)

    - by Zack
    I need to download all pdf files from a certain domain. There are about 6000 pdf on that domain and most of them don't have an html link (either they have removed the link or they never put one in the first place). I know there are about 6000 files because I'm googling: filetype:pdf site:*.adomain.com However, Google lists only the first 1000 results. I believe there are two ways to achieve this: a) Use Google. However, how I can get all 6000 results from Google? Maybe a scraper? (tried scroogle, no luck) b) Skip Google and search directly on domain for pdf files. How do I do that when most them are not linked?

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  • Using Linux C code and header files to compile a Windows DLL

    - by df382
    I would like to know if in general it is possible to create a C++ DLL with Visual C++ 2010 starting from C code and the header files I find in a Linux distribution. Theoretically, if I take a piece of C code (that includes different header files) from Linux and I find in the Linux file system all the header files needed for the linkage of the project, will I be able to successfully compile the project in Windows with Visual C++ 2010? Are there some examples or a tutorial for doing this? After compiling a DLL, I would like to use it in a C# application, which I will run under Linux with Mono.

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  • Copying files from one directory to another in Java

    - by user42155
    Hello, I want to copy files from one directory to another (subdirectory) using Java. I have a directory, dir, with text files. I iterate over the first 20 files in dir, and want to copy them to another directory in the dir directory, which I have created right before the iteration. In the code, I want to copy the review (which represents the ith text file or review) to trainingDir. How can I do this? There seems not to be such a function (or I couldn't find). Thank you. boolean success = false; File[] reviews = dir.listFiles(); String trainingDir = dir.getAbsolutePath() + "/trainingData"; File trDir = new File(trainingDir); success = trDir.mkdir(); for(int i = 1; i <= 20; i++) { File review = reviews[i]; }

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  • Howto disable the emacs site-start files permanently?

    - by elemakil
    When solving this problem I figured out that I need to disable the site-wise init files in order to get my emacs + CEDET running (everything works nicely when starting emacs using emacs --no-site-file but is broken without the additional argument). I'd like to disable the site-wise init files permanently but as I'm using several different approaches/methods when launching emacs (launcher/panel/terminal) I don't think aliasing it in my .zshrc won't work. I require a method to permanently disable all site-start files. Is there any easy way to achieve this? Thanks!

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  • searching within a compressed sorted fixed width file

    - by user275455
    Assume I have a regular compressed fixed width file that is sorted on one of the fields. Given that I know the length of the records, I can use lseek to implement a binary search to records with fields that match a given value without having to read the entire file. Now the difficulty is that the file is gzipped. Is it possible to do this without completely inflating the file? If not with gzip. is there any compression that supports this kind of behavior?

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  • Using C struct without including header file

    - by shams
    My basic problem is that I want to use some structs and functions defined in a header file by not including that header file in my code. The header file is generated by a tool. Since I don't have access to the header file, I can't include it in my program. Here's a simple example of my scenario: first.h #ifndef FIRST_H_GUARD #define FIRST_H_GUARD typedef struct ComplexS { float real; float imag; } Complex; Complex add(Complex a, Complex b); // Other structs and functions #endif first.c #include "first.h" Complex add(Complex a, Complex b) { Complex res; res.real = a.real + b.real; res.imag = a.imag + b.imag; return res; } my_program.c // I cannot/do not want to include the first.h header file here // but I want to use the structs and functions from the first.h #include <stdio.h> int main() { Complex a; a.real = 3; a.imag = 4; Complex b; b.real = 6; b.imag = 2; Complex c = add(a, b); printf("Result (%4.2f, %4.2f)\n", c.real, c.imag); return 0; } My intention is to build an executable for my_program and then use the linker to link up the executables. Is what I want to achieve possible in C?

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  • Java- Copy file to either new file or existing file.

    - by jared
    Hi- I would like to write a function copy(File f1, File f2) f1 is always a file. f2 is either a file or a directory. If f2 is a directory I would like to copy f1 to this directory (the file name should stay the same). If f2 is a file I would like to copy the contents of f1 to the end of the file f2. So for example if F2 has the contents: 2222222222222 And F1 has the contents 1111111111111 And I do copy(f1,f2) then f2 should become 2222222222222 1111111111111 Thanks!

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  • Download and replace Android resource files

    - by Casebash
    My application will have some customisation for each company that uses it. Up until now, I have been loading images and strings from resource files. The idea is that the default resources will be distributed with the application and company specific resources will be loaded from our server after they click on a link from an email to launch the initialisation intent. Does anyone know how to replace resource files? I would really like to keep using resource files to avoid rewriting a lot of code/XML. I would distribute the application from our own server, rather than through the app store, so that we could have one version per company, but unfortunately this will give quite nasty security warnings that would concern our customers.

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  • How to change file contents in PHP ?

    - by Misha Moroshko
    I save in a file some info about users (like number of times user passed the login page, last visited time, and so on). I want to read this info from the file, and update it (add 1 to the counter, and change the last visited time). My question is: can I do it without opening the file twice ? I open the first time to read the contents, and then open it again to overwrite the contents with the updated ones. Thanks !

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  • appending text to all files that starts with a string

    - by learner135
    How do I append a string to all the files in a directory that starts with a particular string? I tried, cat mysig >> F* But instead of appending contents of mysig to all files starting with F, it creates a file named "F*". Obviously wildcard doesn't seem to work. Any alternatives? Thanks in advance. Edit: Also how do I delete this newly created file "F*" safely?. Using rm F* would delete all the files starting with F which I wouldn't want.

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  • Plot multiple files

    - by LucaB
    Hi I'd like to make an animation that illustrates the positions of some agents I'm simulating under Linux. Basically, I have some files named file00001.dat, file00002.dat and so on. I have to generate "something" that get files in order, and output an animated gif, a dynamic graph or whatever, that simulates the moving reading data from file. I have control on the files, meaning that I can put identifiers or everything I want. How would you achieve that? What programs would you use?

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  • Using R to open grib files

    - by robin girard
    I am using R to work with meteorological data. I proceed in two steps: 1- convert grib to netcdf using the commande line function ncl_convert2nc from ncar command language 2- use package ncdf in R to import the netcdf data. I have two problems: 1- I would like to do automatic treatment of many files within R. Can I call ncl_convert2nc within R ? 2- For some particular grib files, the convertion with ncar tool does not work. Is there other ways or trick (other than transcription into netcdf) to read grib files in R ?

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  • How can a FILE* (pointer to a struct) be tested (if == NULL)?

    - by m4design
    I was playing around with C, anyways I was thinking how can file pointer (which points to a struct type), be tested if NULL as for instant: FILE *cfPtr; if ( ( cfPtr = fopen( "file.dat", "w" ) ) == NULL ) I tried to do that myself, but an error occurs. struct foo{ int x; }; struct foo bar = {0}; if (bar == NULL) puts("Yay\n"); else puts("Nay"); error C2088: '==' : illegal for struct Here's the FILE deceleration in the stdio.h file: struct _iobuf { char *_ptr; int _cnt; char *_base; int _flag; int _file; int _charbuf; int _bufsiz; char *_tmpfname; }; typedef struct _iobuf FILE;

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  • What files to be included under VSS 6.0

    - by kheat
    For our .net 3.5 web project, what are the files which needs to be included under VSS 6.0? We have a distributed team of three vendors working on separate modules of our .net portal and all of them maintain their own setup and during release they send across the final build. No surprises that this has caused much headache and we have decided that we will keep this environment under our control and checkout the files when required. This is a multi-part questionnaire and to clear some basics first, we would like to know which are the important files to be kept under VSS6.0. Yes we know VSS 6.0 is outdated but we are playing a catchup game and till we move either to TFS or Subversion( atleast six months down the line) we need a VSS strategy. TIA

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  • How does file creation work in Java

    - by Ankur
    I am trying to create a file using File newFile = new File("myFile"); However no file called "myFile" is created. This is within a Web application Project i.e. proper form to be pakaged as a WAR but I am calling it as part of a main method (just to see how this works). How can I make it so that a new file is created at a location relative to the current one i.e not have to put in an absolute path.

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  • PHP Zip Archive sporadically creating multiple files

    - by user516558
    I have a PHP script (running PHP 5.2 on Apache 2.2) that creates a zip archive of files for a user to download. Everything seems to work just fine; the only issue I have is that periodically multiple files will be created before the ZIP archive is successfully finished. Example: archive-name.zip archive-name.zip.a09600 archive-name.zip.b09600 archive-name.zip.c09600 This does not happen every single time; only periodically - the file is still created but sometimes these extra 'files' are left on the server after it finishes. The code that creates the ZIP archive is as follows: $zip_archive = new ZipArchive(); $zip_archive->open($archiveFullName,ZIPARCHIVE::CREATE); if(!file_exists($archiveFullName)) { foreach ($completed_file_arr as $zip_file) { $isFiller = substr($zip_file,-8) == "_err.txt"; if(!$isFiller) { $zip_archive->addFile($zip_file,$localname); } else $zip_archive->addFromString ($zip_file, "The requested source file could not be found."); } } while(!$zip_archive->close()) sleep(1); //ensure that the ZIP file finishes closing

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  • Is there an easier way to reconcile a list of files and a directory with subfolders/files to find ch

    - by rwmnau
    I have a SQL Server table with a list of files (path + filename), and a folder with multiple layers and files in each layer. I'm looking for a way to reconcile the two without having to process the list twice. Currently, I'm doing this: For Each f as FileInfo In FileListFromDatabase If f.Exists is False, mark it as deleted in the database Next For Each f as FileInfo In RecursiveListOFFilesOnDisk If Not FileExistsInDatabase, then add it Next Is there a better way to do this? I'd like to avoid converting all the matching files (of which most will be) to FileInfo objects twice. Since I'm a T-SQL developer first, I'm picturing something like an OUTER JOIN of the two lists where they don't match. Something LINQ-ish?

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  • C++: Is windows.h generally an efficient code library?

    - by Alerty
    I heard some people complaining about including the windows header file in a C++ application. They mentioned that it is inefficient. Is this just some urban legend or are there really some real hard facts behind it? In other words, if you believe it is efficient or inefficient please explain how this can be with facts. I am no C++ Windows programmer guru. It would really be appreciated to have detailed explanations.

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  • In a pre-commit hook - how to access/compare current and previous versions of files

    - by EthanML
    I'm trying to add to our existing pre-commit SVN hook so that it will check for and block an increase in file size for files in specific directory/s. I've written a python script to compare two file sizes, which takes two files as arguments and uses sys.exit(0) or (1) to return the result, this part seems to work fine. My problem is in calling the python script from the batch file, how to reference the newly committed and previous versions of each file? The existing code is new to me and a mess of %REPOS%, %TXN%s etc and I'm not sure how to go about using them. Is there a simple, standard way of doing this? It also already contains code to loop through the changed files using svnlook changed, so that part shouldn't be an issue. Thanks very much

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  • Reading different data from a textfile delimited with semicolons in C.

    - by Chris_45
    How do one read different records of data that are separated with semicolons into an array in C? from textfile: Text One; 12.25; Text Two; 5; Text Three; 1.253 fopen ... for(i = 0; i < nrRecords; i++) { fscanf(myFile, " %[^;];", myRecords[i].firstText); /* Ok first text*/ fscanf(myFile, "%lf", &myRecords[i].myDouble1); /* But goes wrong with first double */ fscanf(myFile, " %[^;];", myRecords[i].secondText); fscanf(myFile, "%d", &myRecords[i].myInt1); fscanf(myFile, " %[^;];", myRecords[i].thirdText); fscanf(myFile, "%lf",&myRecords[i].myDouble2); } fclose...

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