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• java best way to transfer images

  - by d.raev

  I have a application that reads a PDF, transform the content to collection of TIF files, and send them to Glass Fish Server for saving. Usually there are 1-5 pages and it works nice, but when I got a input file with 100+ pages... it throws error on the transfer. Java heap space at java.util.Arrays.copyOf(Arrays.java:2786) at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94) Putting more resources is not a good option in my case, so I m looking for a way to optimize it somehow. I store the data in: HashMap<TifProfile, List<byte[]> Is there a better way to store or send them ? EDIT I did some tests and the final collections for PDF with 80 pages has size over 280mb (240 tiffs with different settings inside)

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• How can I request local pages in the background of an ASP.NET MVC app?

  - by flipdoubt

  My ASP.NET MVC app needs to run a set of tasks at startup and in the background at a regular interval. I have implemented each task as a controller action and listed the app-relative path to the action in the database. I implemented a TaskRunner process that gets the urls from the database and requests each one at a regular interval using WebRequest.Create, but this throws a UriFormatException. I cannot use this answer or any code that plucks values from HttpContext.Current.Request without getting an HttpException with the message "Request is not available in this context". The Request object is not available because my code uses System.Threading.Timer to do background processing, as recommended here. Here are my questions: Is there really no way to make local web requests within an ASP.NET web app? Is there really no way to dynamically ascertain the root path to the web app even using static dependencies in ASP.NET? I was trying to avoid storing the app's root path in the database (as FogBugz does with its "Maintenance Path"), but is this best option?

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• Whitespaces in CLASSPATH

  - by Shyam

  I am working on a Windows PC and have cygwin on it! I have organized all my jars under a directory within a few directories! I am writing a bash script to set the CLASSPATH by iterating through the directory that is passed as a parameter as follows: for JAR_FILE in `ls *.jar` do CLASSPATH="$DIRECTORY_TO_LOOK_FOR_JARS"/$JAR_FILE:$CLASSPATH done Whenever there are spaces in the directory that is passed like /cygdrive/c/Documents and Settings/user/My Jars and I run java -cp $CLASSPATH somepackage.someclass, it throws an error stating that the class and is not found, because the CLASSPATH variable is getting split after /cygdrive/c/Documents. Can someone help me to solve this issue?

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• Problem doing SVN Vendor Branch - merge

  - by Gyan

  Hi, I am trying to use the svn vendor branch to upgrade the third party library. (We have modified the source code) I followed all the steps to create the vendor branch:: created the vendor branch for old version (3rd party library) created the vendor branch for latest version (3rd party library) copied the latest version to current folder using (usign svn_load_dirs.pl script) structure of vendor repository in svn URL/vendor/library/3.5.0 URL/vendor/library/3.7.0 URL/vendor/library/current I have the library-3.5.0 used/modified at URL/trunk/library/customized-library I have a problem when I try to merge the difference between URL/vendor/library/3.7.0 and URL/vendor/library/3.5.0 to URL/trunk/library/customized-library I am at the folder where URL/trunk/library/customized-library is checked out and I use following command to do the merge svn merge URL/vendor/library/3.5.0 URL/vendor/library/current . --accept PARAMETERS when I use theirs-conflict for accept parameter, It ignores all of my changes to the old version and copies files from 3.7.0 when I user mine-conflict, it ignores the files in 3.7.0 when I use postpone, it throws exception "tree conflict" Thanks Gyan

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• some logical error in taking up character in java

  - by Himanshu Aggarwal

  This is my code... class info{ public static void main (String[]args) throws IOException{ char gen; while(true) { //problem occurs with this while System.out.print("\nENTER YOUR GENDER (M/F) : "); gen=(char)System.in.read(); if(gen=='M' || gen=='F' || gen=='m' || gen=='f'){ break; } } System.out.println("\nGENDER = "+gen); } } This is my output... ENTER YOUR GENDER (M/F) : h ENTER YOUR GENDER (M/F) : ENTER YOUR GENDER (M/F) : ENTER YOUR GENDER (M/F) : m GENDER = m Could someone please help me understand why it is asking for the gender so many times.

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• capistrano deployment with use_sudo=true - permissions problem

  - by Pavel K.

  i am trying to do a deployment with capistrano to newly installed Ubuntu server i am deploying to directory /var/www, owned by root, so i need to set use_sudo to true while i execute commands with run "#{try_sudo} command" without problem, svn checkout doesn't work with sudo prefix i try set :deploy_via, :export and it throws Can't make directory '/var/www/pr_name/releases/20091217171253': Permission denied during checkout i imagine adding "try_sudo" prefix to "svn export" would help, but where can i edit the one it uses in deploy_via? -- if on other hand i don't use use_sudo, and set /var/www/ directory ownership to myuser, i still cannot deploy - some of my deployment commands set folders ownership to apache user www-data and then i get something like: changing ownership of `/var/www/pr_name/current/specificdirectory': Operation not permitted which, if i understand correctly, has to be done with sudo

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• JUnit4 + Eclipse "An internal error occured during Launching"

  - by Mike

  Hello I'm trying to run JUnit4 test cases on Eclipse 3.4.2 but it's not even starting for me. I am sure that I properly have junit-4.7.jar in my build path and the test application. Here is a simple example that illustrates my problem package test; import org.junit.Before; import org.junit.Test; public class UTest { @Test public void test() { } @Before public void setUp() throws Exception { } } This compiles fine Then I do "Run JUnit Test case" from Eclipse and I get an error dialog with this message "Launching UTest' has encountered a problem An internal error occurred during: "Launching UTest". java.lang.NullPointerException I'm not sure how to figure out what exactly generating this NullPointerException. Some pointers would be appreciated

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• Send javax.mail.internet.MimeMessage to a recipient with non-ASCII name?

  - by phyzome

  I am writing a piece of Java code that needs to send mail to users with non-ASCII names. I have figured out how to use UTF-8 for the body, subject line, and generic headers, but I am still stuck on the recipients. Here's what I'd like in the "To:" field: "????????????" <[email protected]>. This lives (for our purposes today) in a String called recip. msg.addRecipients(MimeMessage.RecipientType.TO, recip) gives "?????S]" <[email protected]> msg.addHeader("To", MimeUtility.encodeText(recip, "utf-8", "B")) throws AddressException: Local address contains control or whitespace in string ``=?utf-8?B?IuOCpuOCo+OCreODmuODh+OCo+OCouOBq+OCiOOBhuOBk+OBnSIgPA==?= =?utf-8?B?Zm9vQGV4YW1wbGUuY29tPg==?='' How the heck am I supposed to send this message?

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• Java class Class<T> and static method Class.forName() drive me crazy.

  - by matt

  Hi, this code doesn't compile. i'm wandering what i am doing wrong: private static Importable getRightInstance(String s) throws Exception { Class<Importable> c = Class.forName(s); Importable i = c.newInstance(); return i; } where Importable is an interface and the string s is the name of an implementing class. The compiler says: ./Importer.java:33: incompatible types found : java.lang.Class<capture#964 of ?> required: java.lang.Class<Importable> Class<Importable> c = Class.forName(format(s)); thanks for any help!

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• Google Maps Api v2 error

  - by Harry

    var mymarkers= []; //array function createMarker(point,html,ref){ var marker = new GMarker(point); mymarkers[ref] = marker; GEvent.addListener(newmarker,'click',function(){newmarker.openInfoWindowHtml(html);}); map.addOverlay(newmarker); } This function works well, it adds a marker to the map no problem, but when trying to use mymarkers[] array of markers they have not been stored? Is there a validator to check the GMarker is nice and clean? google maps main.js throws a wobbly: Uncaught TypeError: Cannot read property '__e_' of undefined

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• How does one declare the type of an Android preference?

  - by David R.

  I have a preferences.xml that looks like this: <?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <EditTextPreference android:name="Sample" android:enabled="true" android:persistent="true" android:summary="Sample" android:defaultValue="3.0" android:title="Sample" android:key="sample" /> </PreferenceScreen> When I do sp.getString("sample", "3.0"), it works fine and returns a string, but it shouldn't be a string, it should be a float. Running sp.getFloat("sample", 3.0f) throws a ClassCastException because it is a string. What should I put in the XML so that the preference is stored as a float?

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• How to read log4j output to a web page?

  - by Ran

  I have a web page, used for admin purposes, which runs a task (image fetching from a remote site). In order to be able to debug the task using the browser only, no ssh etc, I'd like to be able to read all log output from the executing thread and spit it out to the web page. The task boils down to: Changing log level for current thread at the beginning of the call and restore when the call is done. Reading all log output by current thread and storing it in a string. So in pseudocode my execute() method would look like this: (I'm using struts2) public String execute() throws Exception { turnLoggingLevelToDebugOnlyForThisThread() ... do stuff... restoreLoggingLevelForThisThread() String logs = readAllLogsByThisThread(); } Can this be done with log4j? I'm using tomcat, struts2, log4j and slf4j.

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• How to get at ResourceDictionary style when it is loaded from external xap and assemblies are MEF-fe

  - by user158503

  I've got the following setup: The main application loads a XAP with an IPlugin implementation. The Plugin contains a 'DisplayPanel' that contains a referenced Control with other controls. The DisplayPanel here is simply a container control to show referenced Control. This referenced Control, from an assembly, uses a Style from a ResourceDictionary xaml in this assembly. At least that's what I want to have. The problem is that the referenced Control throws an error: Cannot find a Resource with the Name/Key PlayerPanelGrad [Line: 1500 Position: 127] I've tried to get at the style by referencing the ResourceDictionary through a Merged Resource dictionary reference: <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="TableControls;component/ControlsStyle.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> But that doesn't work. How would you approch this?

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• How do I implement this public accesible enum

  - by Psytronic

  Hey guys, I'm trying to access my class's private enum. But I don't understand the difference needed to get it working compared to other members; If this works: private double dblDbl = 2; //misc code public double getDblDbl{ get{ return dblDbl; } } Why can I not do it with enum? private enum myEnum{ Alpha, Beta}; //misc code public Enum getMyEnum{ get{ return myEnum; } } //throws "Window1.myEnum" is a "type" but is used like a variable

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• How do I redirect to the current page in Servlet Filter?

  - by JeffJak

  I have a page say: /myapp/test.jsp?queryString=Y. The filter needs to redirect to current page. It should go to /myapp/test.jsp (without the query string). The below seems to bring it to to the context root: /myapp. I am running in WAS6.1. public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpReq = (HttpServletRequest) req; HttpServletResponse httpResp = (HttpServletResponse) resp; { boolean blnNeedToRedirect = true; if (blnNeedToRedirect) { httpResp.sendRedirect("."); return; } chain.doFilter(req, resp); }

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• JDBC THIN Oracle with Java6

  - by Sopolin

  Hi all, I have a problem with JDBC Thin in Oracle 11g with NetBeans V6.7.1. I don't know how to configure it. I have already set classpath of ojdbc6.jar and orai18n.jar. But I still can't run this example in NetBeans: import java.sql.*; import oracle.jdbc.*; import oracle.jdbc.pool.OracleDataSource; class JDBCVersion { public static void main (String args[]) throws SQLException { OracleDataSource ods = new OracleDataSource(); ods.setURL("jdbc:oracle:thin:easycash/oracle@oracle:1521/validus"); Connection conn = ods.getConnection(); // Create Oracle DatabaseMetaData object DatabaseMetaData meta = conn.getMetaData(); // gets driver info: System.out.println("JDBC driver version is " + meta.getDriverVersion()); } } Could anyone help finish my work? Thanks, Sopolin

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• HTML form submits and the hostname changes to IP address

  - by Shamik

  I am facing a peculiar problem. The problem is, my webapp is being installed behind a proxy. The request gets submitted to the proxy which forwards the request to the original host that is running the websphere web application. The problem I am facing is, when I access the webapp, its URL looks like the below http://www.myproxy.com Lets say I get a form on this URL, when I submit the form, it is getting submitted to another URL - http://10.1.2.87 Since the URL is changing, application server thinks it is a different session and throws the login page again. The login page comes thru a filter which checks whether user is already authenticated in the session or not. I do not have much knowledge on proxy settings .. where do you think is the problem?

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• Why does php show error for my SQL query

  - by ZincX

  UPDATE: My mistake - I made a typo. Nevermind this question. I'm using php to update a mysql database. The resultant query I'm using when i print it out on my webpage before executing is as follows: INSERT INTO perch2_content_items (itemOrder, regionID, pageID, itemRev, itemID, itemJSON, itemSearch ) SELECT MAX(itemOrder)+1, 105, 81, 11, 118, 'json', 'search' FROM perch2_content_items WHERE regionID=105 When I copy and paste this query directly into the phpmyadmin SQL interface, it works fine. The table gets updated. However, when I try to execute it using my php code as follows, it throws an error. $insertToPerch = "INSERT INTO perch2_content_items (itemOrder, regionID, pageID, itemRev, itemID, itemJSON, itemSearch ) SELECT MAX(itemOrder)+1, $regionID, $pageID, $regionRev, $newItemID, 'json', 'search' FROM perch2_content_items WHERE regionID=$regionID"; mysql_query(insertToPerch) or die(mysql_error()); The error I'm getting is: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'insertToPerch' at line 1 Can anybody help me figure out why it is failing.

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• Dashcode Web App: How to programmatically manipulate bound array in dataSource?

  - by Kross

  Hi Everyone, I've started using Dashcode to write an interface for presenting the report data for some of our Cocoa tools. I am using a Dashcode data source and bindings to populate the elements in the WebView, and it all seems to be working well so far. One of the objects in my dataSource is an array of objects that I would like to manipulate programmatically. I can change the object values in the array just fine but if I want to replace the array, or any objects in the array, my bound table isn't able to observe the added objects. Here is the code that I thought would let me easily replace the bound array with new content: var dataSource = dashcode.getDataSource("reportData"); var newDetailArray = testArray(); dataSource.setValueForKeyPath(newDetailArray, "content.detailArray"); But this throws the exception: Exception while binding "content" to keypath "arrangedObjects " TypeError: Result of expression 'this.object.valueForKeyPath' [undefined] is not a function. Is there something I'm missing that will let me easily manipulate the array's contents programmatically?

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• Convert an XML object back into a string in ColdFusion

  - by jpmyob

  In ColdFusion, I can parse a string of XML formatted data into an XML Object using xmlParse(). How can I convert it back into a string? When I tried using toString() it throws an error that "it can't convert complex object to simple objects....", which is ironic because that's what it's supposed to do. I need to use XMLTransform() which requires the first argument to be an xml string. But I also need to use xmlSearch() to get a node to pass into my transform, and xmlSearch returns an xmlObject. So now I need to put that object back into xml string format to pass into xmlTransform.

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• Get annotations of return type in Java

  - by Apropos

  I'm using Spring MVC and am using aspects to advise my controllers. I'm running into one issue: controllers that return a value annotated with the @ResponseBody type. How are you able to find the annotations applied to the return type? @Around("myPointcut()") private Object checkAnnotations(ProceedingJoinPoint pjp) throws Throwable { Object result = pjp.proceed(); Method method = ((MethodSignature)pjp.getSignature()).getMethod(); System.out.println("Checking return type annotations."); for(Annotation annotation : method.getReturnType().getAnnotations()){ System.out.println(annotation.toString()); } System.out.println("Checking annotations on returned object."); for(Annotation annotation : result.getClass().getAnnotations()){ System.out.println(annotation.toString()); } return result; } Unfortunately, neither of these methods seem to have the desired effect. I can retrieve annotations on the type of object being returned, but not the ones being added at return time.

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• .NET 4.0 Debugging Behavior

  - by Jason

  We recently migrated to VS 2010. We installed .NET 4.0 on our test machine. When we execute a console application that throws an exception, we no longer see the exception message and stack trace printed to the console but instead see the message An unhandled win32 exception occurred in something.exe [PID]. Just-In-Time debugging this exception failed with the following error: No installed debugger has Just-In-Time debugging enabled. In Visual Studio, Just-In-Time debugging can be enabled from Tools/Options/Debugging/Just-In-Time. We do have the above setting enabled. What do we need to do to return to the behavior we had previously?

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• I'm an idiot/blind and I can't find why I'm getting a list index error. Care to take a look at these 20 or so lines?

  - by Meff

  Basically it's supposed to take a set of coordinates and return a list of coordinates of it's neighbors. However, when it hits here:if result[i][0] < 0 or result[i][0] >= board.dimensions: result.pop(i) when i is 2, it gives me an out of index error. I can manage to have it print result[2][0] but at the if statement it throws the errors. I have no clue how this is happening and if anyone could shed any light on this problem I'd be forever in debt. def neighborGen(row,col,board): """ returns lists of coords of neighbors, in order of up, down, left, right """ result = [] result.append([row-1 , col]) result.append([row+1 , col]) result.append([row , col-1]) result.append([row , col+1]) #prune off invalid neighbors (such as (0,-1), etc etc) for i in range(len(result)): if result[i][0] < 0 or result[i][0] >= board.dimensions: result.pop(i) if result[i][1] < 0 or result[i][1] >= board.dimensions: result.pop(i) return result

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• Writing Java code in Matlab?

  - by scooziexp

  Hi, I'm trying to use the Java commands pw.println() and br.readLine() in Matlab because I have set up a socket (input_socket2) between Matlab and a command-line program I want to control using Java classes BufferedReader and PrintWriter. Before the following snippet of code, I implemented another socket that goes between 2 computers. This works great and I also know that the following snippet of code successfully opens up a communication line between Matlab and the other program. However, Matlab throws an error at pw.println('noop'). I think it has something to do with syntax, but I'm not sure how to write the command in Matlab syntax then: try input_socket2 = Socket(host2,port2); input_stream2 = input_socket2.getInputStream; d_input_stream2 = DataInputStream(input_stream2); br = BufferedReader(InputStreamReader(input_stream2)); pw = PrintWriter(input_socket2.getOutputStream,true); pw.println('noop') br.read end Any ideas?

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• passing paramters to component in flex

  - by dubbeat

  Hi, I've got 2 files, my Application and a custom component. In my component I have a httpservice and a string named _requestUrl that is bindable. The httpservice uses this. <mx:HTTPService id="srv" url="{_requestUrl}" result="parseHttpResult(event)" resultFormat="xml" method="GET" useProxy="false"> </mx:HTTPService> In my application file I make an instance of my component in the onCreationComplete function. In this function if I say mycomponent._urlRequest ="http://mysite.com" the httpservice throws a null url error but if I say mycomponent.srv.url="http://mysite.com" it works fine. Why is this?

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