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  • C preprocessor vs. C compiler

    - by Sunny209
    If I tell the C preprocessor to #include a file and use CPPFLAGS to help find the needed file, then the file is included already, right? What, if any, use is telling the C compiler about the same include directory with CFLAGS?

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  • require.js - How can I set a version on required modules as part of the URL?

    - by Ovesh
    I am using require.js to require JS modules in my application. I need a way to bust client cache on new JS modules, by way of a different requested URL. i.e., if the file hello/there.js has already been cached on the client, I can change the file name to force the browser to get the new file. In other words, for the module hello/there, I'd like require.js to request the url hello/there___v1234___.js (the file name can look different, it's just an example), according to a version string which is accessible on the client. What is the best way to achieve that?

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  • setting variables and values in html & js

    - by air
    i have one js file in that js file i have following variables var image_path="images"; var style_path="style"; i want to use these variables in html file(s) like in image statement <img src="path from js/logo.gif"> or in style sheet statement <link rel="stylesheet" href="path from js/constant.css" type="text/css" /> Basic idea behind this is: if we change name of image folder or path of image folder we only do change in one JS file not 1000 html files. same for style sheet. or any other way to do same in java script or Jquery Thanks

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  • SqlCE Flush Interval - Will the default setting lead to corruption?

    - by NormD
    SqlCE has a parameter set on the Connect String called Flush Interval. It is defined as: The interval time (in seconds) before all committed transactions are flushed to disk. If not specified, the default value is 10. I thought that a committed transaction, by definition, is a transaction that has been flushed to disk, specifically the database file. If a transaction is only stored in RAM then cannot the transaction be easily lost? I thought that transactions were first written to a log file and then applied to the database file itself, so perhaps this parameter could mean the time to wait until the transaction log is applied to the database file? I would have thought that this parameter should be 0.

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  • Implement "tail -f" in C++

    - by Hamming
    Hi! I want to create a small code in C++ with the same functionality as "tail-f": watch for new lines in a text file and show them in the standard output. The idea is to have a thread that monitors the file Is there an easy way to do it without opening and closing the file each time?

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  • PHP Inotify Non-blocking way

    - by demic0de
    I am reading a file in linux which is a log file that keeps on updating weather the file has changed and output it to the webpage. i do it using php inotify but my problem is that it is blocking. How can i make php inotify non-blocking so i can do other stuff while it is monitoring the text file?. <?php $fd = inotify_init(); $watch_descriptor = inotify_add_watch($fd, '/tmp/temp.txt', IN_MODIFY); touch('/tmp/temp.txt'); $events = inotify_read($fd); $contents = file_get_contents('/tmp/temp.txt'); echo $contents; inotify_rm_watch($fd, $watch_descriptor); fclose($fd) ?> Or can i do this in java?..Thanks.

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  • List files starting with a specific name using java

    - by user3610075
    i want to list files starting with a name like "Report" from a folder. i found this in google to list all files but i don't how to list file starting with a name. Thank you File directory = new File("C:\\Users\\kiki\\Downloads"); File[] files = directory.listFiles(); for (int index = 0; index < files.length; index++) { //Print out the name of files in the directory System.out.println(files[index].toString()); }

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  • C# matching two text files, case sensitive issue

    - by Mike
    What i have is two files, sourcecolumns.txt and destcolumns.txt. What i need to do is compare source to dest and if the text doesnt match write out to a new file. The code below works except i have case sensitive issues like this: CPI Cpi These say they dont match because of captial letters, any help is always thanked! string[] sourcelinestotal = File.ReadAllLines(@"C:\testdirectory\" + "sourcecolumns.txt"); string[] destlinestotal = File.ReadAllLines(@"C:\testdirectory\" + "destcolumns.txt"); foreach (string sline in sourcelinestotal) { if(destlinestotal.Contains(sline)) { } else { File.AppendAllText(@"C:\testdirectory\" + "missingcolumns.txt", sline); } }

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  • saving an image object in sql server database from action method

    - by user3532152
    [HttpPost] public void Test(HttpPostedFileBase file) { UsersContext db = new UsersContext(); byte[] image = new byte[file.ContentLength]; file.InputStream.Read(image, 0, image.Length); CrimeReport i = new CrimeReport { ImageId=1, ImageName="Anjli",ImageContent = image, Active=true }; db.CrimeReports.Add(i); db.SaveChanges(); } I am getting an exception on db.CrimeReports.Add(i);

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  • How do I find everything between two characters after a word using grep, without outputting the entire line?

    - by Nick Sweeting
    I am downlading the info.0.json file from xkcd and trying to parse just the alt text. I don't care if there are quotes around it or not. The problem it that the info.0.json file is all one line, and the alt text is in quotes after the word "alt=". Trying cat info.0.json | grep alt just returns the whole file (because it's all one line). What is the grep or sed code that will get me the alt text?

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  • How to deploy an application with firewall permissions on Mac?

    - by user264878
    I've bundled a jar file as a mac application using jar bundler. I'm now trying to create an installer for this app so that: 1) The application will be placed in the applications folder 2) The application is added to the list of permissible apps in Mac Application Level Firewall Also, I have several example files I would like to include with this application - what is the best way to make these available to the user. Someone suggested I have the mpkg file launch a dmg file which would contain these files, but this seems circuitous. Thanks

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  • hibernate.properties classpath conflict

    - by Adam B
    I have a jar on the classpath which contains a hibernate.properties. This causes problems when my app starts because hibernate tries to use the settings from this file. Is there a way to explicitly specify the file that hibernate should look for, or tell it to ignore the properties file in the dependency jar?

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  • increasing speed and efficiency of ajax call

    - by user1048824
    I'm not the most disciplined dev, dont know standards and am self-taught so bear with me. I create stuff very logically and fast but not always using 'programming standards'. I have a mobile app using geolocation API. it gets thousands of places from my db and makes gmaps v3 markers for the ones around the user's current location. there is an ajax call from my JS to an aspx page that calls the database, makes a json string, and sends the json string to the javascript that then creates the google map markers. would i save time if the json string was in a flat file? im not sure if, generally speaking, accessing a sql db from an aspx page is faster than c# file i/o on a flat file with pre-rendered JSON. (of course, using the flat file, it would update everytime the db is updated)

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  • php parsing csv with ftell

    - by Robert82
    I have a 500mb csv file with over 500,000 lines, each with 80 fields. I am using fget to process the file line by line. $col1 = array(); while (($row = fgetcsv($handle, 1000, ",")) !== FALSE) { $col1[] = $row[0]; } Because of an execution time limit on the PHP file by my hosting provider (120 seconds), I can't process the whole file in one run. I tried using ftell() and fseek() to remember the last position for restart. The trouble is, sometimes the ftell() position is in the middle of a row, and resuming means missing the first half of the row. Is there an elegant way to know the last line successfully processed, and resume from the one after it? I realize I can do a simple counter, and then loop through to that point again, but that would produce diminishing returns on the rows I can process towards the end of the file. Is there something like ftell() and fseek() that would work in my case? Or a way to limit ftell() to return the pointer for the end of the previous line?

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  • Can you write files in Chrome 8?

    - by greggory.hz
    I'm wondering if, with the new File API exposed in Chrome (I'm not concerned with cross-browser support at this time), it would be possible to write back to files opened via a file input. You can see an example of what I'm trying to accomplish here: http://www.grehz.com/ide. I know I can use server side scripts to dynamically create the files and allow the user to download them normally. I'm hoping that there's a way to accomplish this purely client side. I had read somewhere that you can write to files opened via a file input. I haven't been able to find any examples of this, though I have seen passing references to a FileWriter class. I would be completely not surprised if this wasn't possible though (it seems likely that there are security issues with this). Just looking for some guidance or resources. UPDATE: I was reading here: http://dev.w3.org/2009/dap/file-system/file-writer.html As I was playing around in Chrome, it looks like FileSaver and FileWriter are not implemented, but BlobBuilder is. I can call getBlob() on the BB object, is there any way I can then save that without FileSave or FileWriter?

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  • Should it be in a namespace?

    - by Knowing me knowing you
    Do I have to put code from .cpp in a namespace from corresponding .h or it's enough to just write using declaration? //file .h namespace a { /*interface*/ class my { }; } //file .cpp using a::my; // Can I just write in this file this declaration and // after that start to write implementation, or // should I write: namespace a //everything in a namespace now { //Implementation goes here } Thanks.

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  • While remote deubgging how are the pdb located (VS 2008)

    - by Saar
    When the deubgger is attached to a process on remote server - What locations are searched for the pdb? In what order? (e.g. is it searched on the remote server (debuggee) or on the local client (deubger)) When I use the deubgger to manually load pdb file from specific location - is the deubbger looking for the file locally or is it the remote debugger monitor looking for the file on the? Is there any article that describes that process?

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  • Reading/Writing/Modifying a struct in C

    - by user1016401
    I am taking some information from a user (name, address, contact number) and store it in a struct. I then store this in a file which is opened in "r+" mode. I try reading it line by line and see if the entry I am trying to enter already exists, in which case I exit. Otherwise I append this entry at the end of the file. The problem is that when I open the file in "r+" mode, it gives me Segmentation fault! Here is the code: struct cust{ char *frstnam; char *lastnam; char *cntact; char *add; }; Now consider this function. I am passing a struct of information in this function. Its job is to check if this struct already exists else append it to end of file. void check(struct cust c) { struct cust cpy; FILE *f; f=fopen("Customer.txt","r+"); int num=0; if (f!= NULL){ while (!feof(f)) { num++; fread(&cpy,sizeof(struct cust),1,f); if ((cpy.frstnam==c.frstnam)&(cpy.lastnam==c.lastnam)&(cpy.cntact==c.cntact)&(cpy.add==c.add)) { printf("Hi %s %s. Nice to meet you again. You live at %s and your contact number is %s\n", cpy.frstnam,cpy.lastnam,cpy.add,cpy.cntact); return; } } fwrite(&c,sizeof(struct cust),1,f); fclose (f); } printf("number of lines read is %d\n",num); }

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