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  • renderInContext creating memory that is not promptly released

    - by iworkinprogress
    While debugging in instruments using 'ObjectAlloc' I'm noticing 7megs of memory being allocated for the renderInContext call, but it never is released. When I comment out the renderInContext call this doesn't happen, and future renderInContext calls does not continue to increase the memory allotment. UIGraphicsBeginImageContext(contentHolder.bounds.size); [contentHolder.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); Is there a way to force this memory to be released?

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  • php upload file function

    - by Jacksta
    I am trying to write a script which uploads a file via a html form. When I click submit nothing happens. file: upload_form.html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> </head> <body> <form action="do_upload.php" method="post" enctype="multipart/form-data"></form> <p><strong>File to upload</strong></p> <p><input name="img1" type="file" size="30" /></p> <p><input name="submit" type="submit" value="Upolad File" /></p> </body> </html> file: do_upload.php <?php if ($_FILES[img1] != "" { @copy($_FILES[img1] [tm_name], "/tmp" .$_FILES[img1][name]) or die("couldnt copy the file"); } else { die("no file specified"); } ?> <HTML> <head> <title>Successfull File Upload</title> </head> <body> <h1>Success</h1> <p>You sent: <? echo $_FILES[img1][name]; ?>, a <? echo $_FILES[img1][size]; ?>byte filw with a mime type of <? echo $_FILES[img1][type]; ?></p> </body> </HTML>

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  • In Java What is the guaranteed way to get a FileLock from FileChannel while accessing a RandomAcces

    - by narasimha.bhat
    I am trying to use FileLock lock(long position, long size,boolean shared) in FileChannel object As per the javadoc it can throw OverlappingFileLockException. When I create a test program with 2 threads lock method seems to be waiting to acquire the lock (both exclusive and non exclusive) But when the number threads increases in the acutal scenario over lapping file lock exception is thrown and processing slows down due the block at File lock table. What is the best way to acquire lock avoiding the OverlappingFileLockException ?

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  • Large Image in .net

    - by Modir
    I want to create large image by C#. (i have some photos with large size (4800 * 4800). i want to merge these photos.) I use Bitmap but don't support. (Error : Invalid Parameter)

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  • Reduce EBS volume

    - by Martin
    I know about increasing, but is there a way reduce the size of an EBS volume? Like I've put effort into my AMI but soon realized it's way to big for my needs.

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  • How to get a CSS Layout like at elkaniho.com/

    - by Enatom
    Hi, This website http://www.elkaniho.com/ has a CSS layout which is what i want, you see, the divs stack on top of each other, not on a precise grid, but just at the bottom and on the side. And when you re-size the browser, they all re-adjust perfectly? anyone know how i can get the same layout like at elkaniho.com or what type of layout this is called?

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  • C++ Array Initialization in Function Call or Constructor Call

    - by david
    This question is related to the post here. Is it possible to initialize an array in a function call or constructor call? For example, class foo's constructor wants an array of size 3, so I want to call foo( { 0, 0, 0 } ). I've tried this, and it does not work. I'd like to be able to initialize objects of type foo in other objects' constructor initialization lists, or initialize foo's without first creating a separate array. Is this possible?

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  • What causes memory fragmentation in .NET

    - by Matt
    I am using Red Gates ANTS memory profiler to debug a memory leak. It keeps warning me that: Memory Fragmentation may be causing .NET to reserver too much free memory. or Memory Fragmentation is affecting the size of the largest object that can be allocated Because I have OCD, this problem must be resolved. What are some standard coding practices that help avoid memory fragmentation. Can you defragment it through some .NET methods? Would it even help?

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  • Automatically resize TableLayoutPanel

    - by Armagan
    I have a programmatically created TableLayoutPanel. It works fine but I couldn't find something: how can I make it size columns automatically when the form is resized? The panel is set to Dock.Top and when I resize the form instead of sizing every column as percents, only last column grows. What can I do for this? Here's how I add ColumnStyle for each column: this.tablePanelFilter.ColumnStyles.Add( new ColumnStyle(SizeType.Percent,Convert.ToSingle( Math.Ceiling((decimal)100 / (decimal)columnCount))));

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  • Android problem: BufferedReader wont read whole stream into a string

    - by Levara
    Hi all! I'm making an android program that retrieves content of a webpage using HttpURLConnection. I'm new to both Java and Android. Problem is: Reader reads whole page source, but in the last while iteration it doesn't append to stringBuffer that last part. Using debbuger I have determined that, in the last loop iteration, string buff is created, but stringBuffer just doesnt append it. I need to parse retrieved content. Is there any better way to handle the content for parsing than using strings. I've read on numerous other sites that string size in Java is limited only by available heap size. Anyone know what could be the problem. Btw feel free to suggest any improvements to the code. Thanks! URL u; try { u = new URL("http://feeds.timesonline.co.uk/c/32313/f/440134/index.rss"); HttpURLConnection c = (HttpURLConnection) u.openConnection(); c.setRequestProperty("User-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)"); c.setRequestMethod("GET"); c.setDoOutput(true); c.setReadTimeout(3000); c.connect(); StringBuffer stringBuffer = new StringBuffer(""); InputStream in = c.getInputStream(); InputStreamReader inp = new InputStreamReader(in); BufferedReader reader = new BufferedReader(inp); char[] buffer = new char[3072]; int len1 = 0; while ( (len1 = reader.read(buffer)) != -1 ) { String buff = new String(buffer,0,len1); stringBuffer.append(buff); } String stranica = new String(stringBuffer); c.disconnect(); reader.close(); inp.close(); in.close();

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  • Which component should i use?

    - by strakastroukas
    I am using the <a> element to increase the font size in my webpage. <a href="javascript:increaseFontSize();">+</a> The problem with it is that i cannot set a background image. So what component should i choose from the VS2008 toolbox that has OnClientClick property and does not post-back? For examaple, i set the OnClientClick property in a ImageButton, but the postback is executed after the ClientSide click

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  • Playback of opus-codec on Android

    - by qdot
    I'm looking for a way to integrate opus-codec (the decoder part) with my Android application. Do you know of any implementations that have done so? We are currently using ogg-vorbis for spoken prompts, considering going with either speex (deprecated, but with few documented attempts) or opus (currently no documented attempts). If we would have to go the NDK route, do you think it should provide us with a application size improvement? OggVorbis is supported by the platform, neither speex nor opus are.

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  • OpenGL Video RAM Limits

    - by Tamir
    I have been trying to make a Cross-platform 2D Online Game, and my maps are made of tiles. My tileset, which I render the tiles from, is quite huge. I wanted to know how can I disable hardware rendering, or at least making it more capable. Hence, I wanted to know what are the basic limits of the video ram, as far as I know, Direct3D has a texture size limits (by that I don't mean the power-of-two texture sizes).

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  • Memory limit for running external executables within Asp.net

    - by itsbalur
    I am using WkhtmltoPdf in my C# web application running in .NET 4.0 to generate PDFs from HTML files. In general everything works fine except when the size of the HTML file is below 250KB. Once the HTML file size increases beyond that, the process which runs the wkhtmltopdf.exe gives an exception as below. On the Task Manager, I have seen that the Memory value for the wkhtmltopdf.exe process does not increase beyond a value of 40,096 K, which I believe is the reason why the process is abandoned in between. How can we configure such that the memory limit for external exes can be increased? Is there any other way of solving this issue? More info: When I run the conversion from the command line directly, the PDF is generated fine. So, its unlikely to be a problem with WkhtmlToPdf. The error is from localhost. I have tried the same on the DEV server, with the same result. Exception: > [Exception: Loading pages (1/6) [> > ] 0% [======> ] > 10% [======> ] 11% > [=======> ] 13% > [=========> ] 15% > [==========> ] 18% > [============> ] 20% > [=============> ] 22% > [==============> ] 24% > [===============> ] 26% > [=================> ] 29% > [==================> ] 31% > [===================> ] 33% > [=====================> ] 35% > [======================> ] 37% > [========================> ] 40% > [=========================> ] 42% > [==========================> ] 44% > [============================> ] 47% > [=============================> ] 49% > [==============================> ] 51% > [============================================================] 100% > Counting pages (2/6) > [============================================================] Object > 1 of 1 Resolving links (4/6) > [============================================================] Object > 1 of 1 Loading headers and footers (5/6) > Printing pages (6/6) [> > ] Preparing [=> > ] Page 1 of 49 [==> > ] Page 2 of 49 [===> > ] Page 3 of 49 [====> > ] Page 4 of 49 [======> > ] Page 5 of 49 [=======> > ] Page 6 of 49 [========> > ] Page 7 of 49 [=========> > ] Page 8 of 49 [==========> > ] Page 9 of 49 [============> > ] Page 10 of 49 [=============> > ] Page 11 of 49 [==============> > ] Page 12 of 49 [===============> > ] Page 13 of 49 [================> > ] Page 14 of 49 [==================> > ] Page 15 of 49 [===================> > ] Page 16 of 49 [====================> > ] Page 17 of 49 [=====================> > ] Page 18 of 49 [======================> > ] Page 19 of 49 [========================> > ] Page 20 of 49 [=========================> > ] Page 21 of 49 [==========================> > ] Page 22 of 49 [===========================> > ] Page 23 of 49 [============================> > ] Page 24 of 49 [==============================> > ] Page 25 of 49 [===============================> > ] Page 26 of 49 [=================================> > ] Page 27 of 49 [==================================> > ] Code that I use: var fileName = " - "; var wkhtmlDir = ConfigurationManager.AppSettings[Constants.AppSettings.ExportToPdfExecutablePath]; var wkhtml = ConfigurationManager.AppSettings[Constants.AppSettings.ExportToPdfExecutablePath] + "\\wkhtmltopdf.exe"; var p = new Process(); string switches = ""; switches += "--print-media-type "; switches += "--margin-top 10mm --margin-bottom 10mm --margin-right 5mm --margin-left 5mm "; switches += "--page-size A4 "; switches += "--disable-smart-shrinking "; var startInfo = new ProcessStartInfo { CreateNoWindow = true, FileName = wkhtml, Arguments = switches + " " + url + " " + fileName, UseShellExecute = false, RedirectStandardOutput = true, RedirectStandardError = true, RedirectStandardInput=true, WorkingDirectory=wkhtmlDir }; p.StartInfo = startInfo; p.Start();

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  • Opening a huge .csv file with Excel Interop using C#

    - by user262102
    Hi, I have an application that write huge .csv files about the size ranging from 1 GB to 2 GB. I need to color code the file and save it as .xlsx. So I have tried using Excel Interop and it works great for small files, but when I try to open a 1.3 GB .csv file with Excel, I get an Hresult error. Any ideas as to how I could accomplish this task either with using Excel, or if there is any other way of doing it. Thanks!

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  • Finding key Solr performance metrics

    - by Mike Malloy
    To improve performance of Solr find your slowest searches, monitor query results, cache hit rate and cache size, document cache and filter cache; find problems with Solr update handlers by tracking index operations and document operations. There is a tool from New Relic which may help. http://www.newrelic.com/solr.html

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  • How to increment counters based on a printed array

    - by Sam Liew
    I managed to developed a simple board of 5x5 using random numbers and array. Big achievement for someone like me! :) Now I have to increment the counters depending on the frequency of the numbers. If the value within 0-49 is printed..then nCounter++ If the value within 50-75 is printed..then pCounter++ something like that. The problem is that I don't know how to increase the counters based on the printed board. Here is the code: #include <stdio.h> #include <stdlib.h> #include <time.h> int main() { //Initialize Variables int randomNumber; int rows; int columns; int hdCounter =0; int hCounter = 0; int cCounter = 0; int pCounter = 0; int nCounter = 0; //Declare board size int board[5][5]; //size of board is 5 x 5 //Create the random number generator seed srand(time(NULL)); //Assign the random numbers from 1 - 25 into variable randomNumber //Create the rows for the board for ( rows = 1; rows <= 5 ; rows++ ) { //Create the colimns for the board for ( columns = 1; columns <= 5 ; columns++ ) { //Assign variable randomNumber into variable board randomNumber = rand() %100 + 1; board[rows][columns] = randomNumber; //print the board printf("%d\t", board[rows][columns]); //calculate the frequency of numbers on the printed board if (randomNumber >= 85 && randomNumber <= 100 ) hdCounter++; else if ( randomNumber >= 75 ) hCounter++; else if ( randomNumber >= 65 ) cCounter++; else if ( randomNumber >= 50 ) pCounter++; else if ( randomNumber >= 1 ) nCounter++; else continue; } //Newline after the end of 5th column. printf("\n\n"); } printf( "N \t P \t C \t H \t HD\n\n" ); printf("%d \t %d \t %d \t %d \t %d \t", nCounter, pCounter, cCounter, hCounter, hdCounter); }//end main I tried replacing randomNumber in the if-statement with board[rows][columns] but I seem to get the same undesired results.

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  • Providing updating suggestions list with javascript, php and ajax

    - by user1104854
    I'm trying to modify this example on making a live updating list to integrate it with my API. So, instead of using GET on the page with the form, I'd like to send it to that page via a function call. So, here's my form // message.php //function to display the hint sent from gethint.php function message_hint($hint){ echo $hint; } //displays the form for sending messages function send_message_form($to_user,$title,$message){ include 'gethint.php'; ?> <table> <form name = "send_message" method="post"> <td>Send A Message</td> <tr><td>To:</td><td><input type = "text" size="50" name="to_user" id = "to_user" value ="<? echo $to_user; ?>" onkeyup="showHint(this.value)"></td></tr> <tr><td>Title:</td><td><input type = "text" size="50" name="message_title"></td></tr> <tr><td>Message:</td><td><textarea rows="4" cols="50" name="message_details"></textarea></td></tr> <tr><td><input type="submit" name="submit_message"></td></tr> </table> </form> <? } Here's the head of message.php <head> <script> function showHint(str){ var to_user = document.getElementById("to_user").value //to_user is the id of the textbox if (str.length==0){ to_user.innerHTML=""; return; } if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); }else{// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function(){ if (xmlhttp.readyState==4 && xmlhttp.status==200){ alert(to_user) //properly displays the name via alert box to_user.innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","gethint.php?q="+to_user,true); xmlhttp.send(); } </script> </head> The page gethint.php is exactly the same, aside from this at the bottom. //echo $response //this was the original output $message = new messages; $message->message_hint($response);

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