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• How to get the playing file total time duration Media player

  - by Geetha

  Hi All, I use media player control to play mp3 files in asp.net application. I want to find When the playing process gets end and the total time require to finish the file using javascript. Code: <object id="mediaPlayer" classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" height="1" standby="Loading Microsoft Windows Media Player components..." type="application/x-oleobject" width="1"> <param name="fileName" value="" /> <param name="animationatStart" value="true" /> <param name="transparentatStart" value="true" /> <param name="autoStart" value="true" /> <param name="showControls" value="true" /> <param name="volume" value="100" /> <param name="loop" value="true" /> </object> Geetha.

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• What is the life cycle of the XNA GraphicsDevice on the Xbox 360?

  - by David Brown

  I'm working on an XNA project that doesn't use the built-in Game class, mostly for learning purposes (so I can mess with different game loop types, etc). It's only designed for the Xbox 360, because the hardware is consistent and I don't have to worry about compatibility among different PC hardware configurations. So far, it's working well and I can clear the screen to a color, but I'd like to make sure I handle the GraphicsDevice correctly before moving on. What exactly is the life cycle for the GraphicsDevice on the Xbox 360? Is it ever lost or reset automatically? I know that on Windows, it's lost when the window loses focus, but the Xbox obviously doesn't manage focus. It appears to even keep the graphics device when the Guide pops up, which is the closest thing I can find to "losing focus" on the Xbox. I'd like to think it's simply a matter of "fire and forget," which would make a lot of other things much easier (only needing to load content once, for instance). But I want to make sure.

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• PLS-00103: Encountered the symbol "end-of-file" in simple update block

  - by rageingnonsense

  Hello, The following Oracle statement: DECLARE ID NUMBER; BEGIN UPDATE myusername.terrainMap SET playerID = :playerID,tileLayout = :tileLayout WHERE ID = :ID END; Gives me the following error: ORA-06550: line 6, column 15: PL/SQL: ORA-00933: SQL command not properly ended ORA-06550: line 3, column 19: PL/SQL: SQL Statement ignored ORA-06550: line 6, column 18: PLS-00103: Encountered the symbol "end-of-file" when expecting one of the following: ( begin case declare end exception exit for goto if loop mod null pragma raise return select update while with <an identifier> <a double-quoted> I am pretty much at a loss. This appears to be a rather simple statement. If it helps any, I had a similar statement that performed an INSERT which used to work, but today has been giving me the same message.

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• Extract paragraphs from Wikipedia API using PHP cURL

  - by Kane

  Here's what I'm trying to do using the Wikipedia (MediaWiki) API - http://en.wikipedia.org/w/api.php Do a GET on http://en.wikipedia.org/w/api.php?format=xml&action=opensearch&search=[keyword] to retrieve a list of suggested pages for the keyword Loop through each suggested page using a GET on http://en.wikipedia.org/w/api.php?format=json&action=query&export&titles=[page title] Extract any paragraphs found on the page into an array Do something with the array I'm stuck on #3. I can see a bunch of JSON data that includes "\n\n" between paragraphs, but for some reason the PHP explode() function doesn't work. Essentially I just want to grab the "meat" of each Wikipedia page (not titles or any formatting, just the content) and break it by paragraph into an array. Any ideas? Thanks!

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• Character Movement Animation

  - by Kartik Kolluri

  Hi Guys! I've read a lot around everywhere, but wasn't able to make a simple character movement animation. What I have is a PNG file and an associated PLIST file with all the frames for a "walking" animation of a character that I want to run when the user touches the screen. I want to loop that animation and also at the same time, move the character to the right or left. I want to use Cocos2D in doing this. Does anyone have any code pieces or suggestions on how to do that? Thanks in advance!

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• How do I ignore set and get when assigning or retrieving a value?

  - by cbsch

  Hello. Is it possible to ignore set and get when I'm assigning to or retrieving a value? In specific, I'm inheriting from a class that has a property declared like this: public Int32 Value { get; set; } What I'd like to do is to override it and do something useful in those set and get's. The problem appears when I override it, I also have to manually assign, or return the value from the property. If I do something like this: override public Int32 Value { get { return this.Value; } set { this.Value = value; // do something useful } Then I'm creating an infinite loop. Is there a way to set or get the value without invoking the code in set and get, or do I have to make a separate name for the actual variable?

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• Modelling boost::Lockable with semaphore rather than mutex (previously titled: Unlocking a mutex fr

  - by dan

  I'm using the C++ boost::thread library, which in my case means I'm using pthreads. Officially, a mutex must be unlocked from the same thread which locks it, and I want the effect of being able to lock in one thread and then unlock in another. There are many ways to accomplish this. One possibility would be to write a new mutex class which allows this behavior. For example: class inter_thread_mutex{ bool locked; boost::mutex mx; boost::condition_variable cv; public: void lock(){ boost::unique_lock<boost::mutex> lck(mx); while(locked) cv.wait(lck); locked=true; } void unlock(){ { boost::lock_guard<boost::mutex> lck(mx); if(!locked) error(); locked=false; } cv.notify_one(); } // bool try_lock(); void error(); etc. } I should point out that the above code doesn't guarantee FIFO access, since if one thread calls lock() while another calls unlock(), this first thread may acquire the lock ahead of other threads which are waiting. (Come to think of it, the boost::thread documentation doesn't appear to make any explicit scheduling guarantees for either mutexes or condition variables). But let's just ignore that (and any other bugs) for now. My question is, if I decide to go this route, would I be able to use such a mutex as a model for the boost Lockable concept. For example, would anything go wrong if I use a boost::unique_lock< inter_thread_mutex for RAII-style access, and then pass this lock to boost::condition_variable_any.wait(), etc. On one hand I don't see why not. On the other hand, "I don't see why not" is usually a very bad way of determining whether something will work. The reason I ask is that if it turns out that I have to write wrapper classes for RAII locks and condition variables and whatever else, then I'd rather just find some other way to achieve the same effect. EDIT: The kind of behavior I want is basically as follows. I have an object, and it needs to be locked whenever it is modified. I want to lock the object from one thread, and do some work on it. Then I want to keep the object locked while I tell another worker thread to complete the work. So the first thread can go on and do something else while the worker thread finishes up. When the worker thread gets done, it unlocks the mutex. And I want the transition to be seemless so nobody else can get the mutex lock in between when thread 1 starts the work and thread 2 completes it. Something like inter_thread_mutex seems like it would work, and it would also allow the program to interact with it as if it were an ordinary mutex. So it seems like a clean solution. If there's a better solution, I'd be happy to hear that also. EDIT AGAIN: The reason I need locks to begin with is that there are multiple master threads, and the locks are there to prevent them from accessing shared objects concurrently in invalid ways. So the code already uses loop-level lock-free sequencing of operations at the master thread level. Also, in the original implementation, there were no worker threads, and the mutexes were ordinary kosher mutexes. The inter_thread_thingy came up as an optimization, primarily to improve response time. In many cases, it was sufficient to guarantee that the "first part" of operation A, occurs before the "first part" of operation B. As a dumb example, say I punch object 1 and give it a black eye. Then I tell object 1 to change it's internal structure to reflect all the tissue damage. I don't want to wait around for the tissue damage before I move on to punch object 2. However, I do want the tissue damage to occur as part of the same operation; for example, in the interim, I don't want any other thread to reconfigure the object in such a way that would make tissue damage an invalid operation. (yes, this example is imperfect in many ways, and no I'm not working on a game) So we made the change to a model where ownership of an object can be passed to a worker thread to complete an operation, and it actually works quite nicely; each master thread is able to get a lot more operations done because it doesn't need to wait for them all to complete. And, since the event sequencing at the master thread level is still loop-based, it is easy to write high-level master-thread operations, as they can be based on the assumption that an operation is complete when the corresponding function call returns. Finally, I thought it would be nice to use inter_thread mutex/semaphore thingies using RAII with boost locks to encapsulate the necessary synchronization that is required to make the whole thing work.

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• Can't get Xdebug to work on Windows 7

  - by Derek

  I installed the latest XAMPP package which includes PHP 5.3.0. I am trying to enable Xdebug, but it just won't work. Here's what I changed in the php.ini shipped with XAMPP: ; uncommented zend_extension = "X:\xampp\php\ext\php_xdebug.dll" ; added the following lines: xdebug.remote_enable=true xdebug.remote_host=localhost xdebug.remote_port=9000 xdebug.remote_handler=dbgp Apache starts fine, but when I open http://localhost/ in my browser, I get the following error If I click the Close the program button, the error message will reappear in a second as if it was in an infinite loop. I'd greatly appreciate any help in getting this to work. I am running a fresh install of Windows 7 Ultimate 64-bit. EDIT: From the result of phpinfo(): Zend Extension Build API220090626,TS,VC6 PHP Extension Build API20090626,TS,VC6 Debug Build no Thread Safety enabled

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• do while is breaking. How to skip rows PHP

  - by Victor

  Hello all. I have a question probably lame but it made me stuck I have the a db query $query_Recordset10 = "SELECT * FROM products WHERE razdel='mix' AND ID='$ID+1' AND litraj='$litri' ORDER BY ID ASC"; $Recordset10 = mysql_query($query_Recordset10, $victor) or die(mysql_error()); $row_Recordset10 = mysql_fetch_array($Recordset10); $totalRows_Recordset10 = mysql_num_rows($Recordset10); I have do while loop in my page and the idea i to show products matching this criteria. But if the next product is 2 or more ID's ahead my cycle breaks. So is there a way for skipping this row and get the next ID matching the criteria. Thank you very much.

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• Java: how to initialize private final int value with if-else in constructor?

  - by HH

  $ javac InitInt.java InitInt.java:7: variable right might not have been initialized InitInt(){} ^ 1 error $ cat InitInt.java import java.util.*; import java.io.*; public class InitInt { private final int right; InitInt(){} public static void main(String[] args) { // I don't want to assign any value. // just initialize it, how? InitInt test = new InitInt(); System.out.println(test.getRight()); // later assiging a value } public int getRight(){return right;} } Initialization problem with Constructor, due to if-else -loop InitInt{ // Still the error, "may not be initialized" // How to initialise it, without removing if-else? if(snippetBuilder.length()>(charwisePos+25)){ right=charwisePos+25; }else{ right=snippetBuilder.length()-1; } }

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• How to copy or duplicate gtk widgets?

  - by PP

  Hi, How to copy or duplicate gtk widgets? In my application I have one huge GtkComboBox created with one long for loop which eats up so much of time and I am using this combo at two places in one single screen. So, what I want to do is create this combo for one time and duplicate/copy it in another one so it will save my time. If I try to add same combo box pointer two times, gtk gives me error "child-paren != NULL" cause in gtk widget can have only single parent. So what to do? Thanks, PP.

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• MySQL top count({column}) with a limit

  - by Josh K

  I have a table with an ip address column. I would like to find the top five addresses which are listed. Right now I'm planning it out the following: Select all distinct ip addresses Loop through them all saying count(id) where IP='{ip}' and storing the count List the top five counts. Downsides include what if I have 500 ip addresses. That's 500 queries I have to run to figure out what are the top five. I'd like to build a query like so select ip from table where 1 order by count({distinct ip}) asc limit 5

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• How do I perform a batch insert in Django?

  - by Thierry Lam

  In mysql, you can insert multiple rows to a table in one query for n 0: INSERT INTO tbl_name (a,b,c) VALUES(1,2,3),(4,5,6),(7,8,9), ..., (n-2, n-1, n); Is there a way to achieve the above with Django queryset methods? Here's an example: values = [(1, 2, 3), (4, 5, 6), ...] for value in values: SomeModel.objects.create(first=value[0], second=value[1], third=value[2]) I believe the above is calling an insert query for each iteration of the for loop. I'm looking for a single query, is that possible in Django?

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• Java: startingPath as "public static final" exception

  - by HH

  [Updated] Thanks to polygenelubricants's reply, the real problem is the exception from the method getCanonicalPath() because I cannot include try-catch-loop there. $ cat StartingPath.java import java.util.*; import java.io.*; public class StartingPath { public static final String startingPath = (new File(".")).getCanonicalPath(); public static void main(String[] args){ System.out.println(startingPath); } } $ javac StartingPath.java StartingPath.java:5: unreported exception java.io.IOException; must be caught or declared to be thrown public static final String startingPath = (new File(".")).getCanonicalPath(); ^ 1 error

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• How do I check out Eclipse projects from CVS using the command line

  - by Jeff James

  Hi. I'm trying to check out the Mylyn project from Eclipse. However, I can't use Eclipse to check out the projects and am having to do it via the command line. I'm behind a firewall so am basing my attempt on http://wiki.eclipse.org/CVS_Howto#CVS_and_firewalls. I'm not very familiar with CVS. When I run my CVS command, it fails to connect: cvs -td :pserver:[email protected]:443/cvsroot/tools checkout mylyn -> main: Session ID is w4PO5KiMwQmaD6uu -> main loop with CVSROOT=/cvsroot/tools -> safe_location( where=(null) ) -> open_connection_to_server (:pserver:[email protected]:443/cvsroot/tools) -> Connecting to proxy.eclipse.org(206.191.52.48):443. cvs [checkout aborted]: unrecognized auth response from proxy.eclipse.org: SSH-1.99-OpenSSH_4.2 Can anyone tell me what I'm doing wrong? Thanks

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• XML creation using DOM and MYSQL

  - by dbomb101

  I am trying to create a XML document from information extracted from a mysql table. I am using a tutorial to accomplish this http://www.tonymarston.net/php-mysql/dom.html#a5 what I want to do is to create each element separately, instead of creating them all at once as shown in the tutorial. In order to do that I am trying to place the specific field name into the foreach loop below, any help would be greatly appreciated. foreach ($row as where fieldname should go => $row['artistname']) { $artval = $doc->createTextNode($row['artistname']); $artval = $chil->appendChild($val); }

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• Import xml to database with high end performance and Audit log- A best Practice

  - by karthik

  Hi, I have to import big xml files to Ms SQL 2005 Database by using C# with high end Performance. Even if any record fails in middle, i have to take next record for process and failed record need to log for audit. I don't want to put insert query with in for loop. Could you please suggest a best way to do this. If I can use bulkcopy methods or Data Adapter update methods- Its very nice, But if any record fails, execution of that statement breaks and rolled back totally, right? Any alternatives and Best practices with example please..? Is Multi-threading works for me to improve performance..? Give me example please. Thanks Karthikeyan

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• python socket.recv/sendall call blocking

  - by fsm

  Hi everyone. This post is incorrectly tagged 'send' since I cannot create new tags. I have a very basic question about this simple echo server. Here are some code snippets. client while True: data = raw_input("Enter data: ") mySock.sendall(data) echoedData = mySock.recv(1024) if not echoedData: break print echoedData server while True: print "Waiting for connection" (clientSock, address) = serverSock.accept() print "Entering read loop" while True: print "Waiting for data" data = clientSock.recv(1024) if not data: break clientSock.send(data) clientSock.close() Now this works alright, except when the client sends an empty string (by hitting the return key in response to "enter data: "), in which case I see some deadlock-ish behavior. Now, what exactly happens when the user presses return on the client side? I can only imagine that the sendall call blocks waiting for some data to be added to the send buffer, causing the recv call to block in turn. What's going on here? Thanks for reading!

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• w3wp.exe in ASP.NET production app is using 100% CPU. How to find the problem ?

  - by Tucker

  Hi, we have an asp.net app in production where w3wp.exe is taking 100% CPU ( 4 cores - 4 threads at 25% ) and cpu load never goes down until we recycle the application pool ( the app is alone in the application pool ). Our error log has nothing, there is no exceptions being emitted ( or at least we don't catch them ) so we suspect it's code problem ( infinite loop / deadlock ). The problem only arises after some hours running with high load ( several thousand users ). There is any way to profile one of the EXISTING threads that is causing cpu load ? After taking a look to JetBrains's DotTrace Profiler seems like it's not possible for limitations of Profiling API and man, we haven't get to reproduce the problem in our testing environment. The app uses SQL Server 2005, LINQ2SQL and System.Transactions API. Any suggestion to find the problem ?

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• Does a System.Collection.Collection<T> wrap a IList<T> or enumerate over the IList<T> or simply wra

  - by Brian Triplett

  If I am exposing a internal member via a Collection property via: public Collection<T> Entries { get { return new Collection<T>(this.fieldImplimentingIList<T>); } } When this property is called what happens? For example what happens when the following lines of code are called: T test = instanceOfAbove.Entries[i]; instanceOfAbove[i] = valueOfTypeT; It's clear that each time this property is called a new reference type is created but what acctually happens? Does it simply wrap the IList<T> underneath, does it enumerate over the IList<T> and to create a new Collection<T> instance? I'm concerned about performance if this property is used in a for loop.

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• Socket Bind Error

  - by rantravee

  Hi, I have a test application that opens a socket , sends something through this socket and then closes it . This is done in a loop for 5-10.000 times. The thing is that after 3,4000 iterations I get an error of this type : enter code here java.net.BindException: Address already in use: connect I even set the socket to be used immediattly, but the error persists enter code here try { out_server.write(m.ToByteArray()); socket_server.setReuseAddress(true); socket_server.close(); } catch(Exception e) { e.printStackTrace(); System.out.println(i+" unable to register with the server"); } What could I do to fix this ?

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• Need a mysql query to extract data from mm-forms

  - by Kirill

  http://cl.ly/201a11b430bf60ef9e97 is what the rows look like, after I clean them up a bit: SELECT fk_form_joiner_id,form_key,value FROM wp_contactform_submit_data WHERE form_key!='page_post_id' AND form_key!='captcha-802' AND form_key!='page_post_title' AND form_key!='user_ID' What I need is a query where it would transform this into a structure like: id | First-name | Surname-name | your-email | dob | address-1 | address-2 | county | postcode | phone ------------------------------------------------------------------------------------------------------- 88 | jack | Somethin | [email protected] | dob | (etc) I think I know a way to do this through php, but I think there must be a way to do it as a mysql query. Ultimately, I need to export this (into a csv), but if you could give me a query that would output this into a mysql table (or at least a workable select query, that I could then turn into an insert query loop, to create a table), I'd do it form there. Thank you.

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• Invert bitmap colors

  - by Alex Orlov

  I have the following problem. I have a charting program, and it's design is black, but the charts (that I get from the server as images) are light (it actually uses only 5 colors: red, green, white, black and gray). To fit with the design inversion does a good job, the only problem is that red and green are inverted also (green - pink, red - green). Is there a way to invert everything except those 2 colors, or a way to repaint those colors after inversion? And how costly are those operations (since I get the chart updates pretty often)? Thanks in advance :) UPDATE I tried replacing colors with setPixel method in a loop for(int x = 0 ;x < chart.getWidth();x++) { for(int y = 0;y < chart.getHeight();y++) { final int replacement = getColorReplacement(chart.getPixel(x, y)); if(replacement != 0) { chart.setPixel(x, y, replacement); } } } Unfortunetely, the method takes too long (~650ms), is there a faster way to do it, and will setPixels() method work faster?

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• How to get video file details eg. duration in Android?

  - by spirytus

  I struggle to get specific video file details so duration etc. from the file the files recorded earlier. All I can currently do is to get cursor with all the files, then loop one by one. Cursor cursor = MediaStore.Video.query(getContext().getContentResolver(), MediaStore.Video.Media.EXTERNAL_CONTENT_URI, new String[]{MediaStore.Video.VideoColumns.DURATION,MediaStore.Video.VideoColumns.DATE_TAKEN,MediaStore.Video.VideoColumns.RESOLUTION,MediaStore.Video.VideoColumns.DISPLAY_NAME}); if(cursor.moveToFirst()) while(!cursor.isLast()){ if(cursor.getString(3)==fight.filename) { // do something here } cursor.moveToNext(); } I need however to access details of specific files so I tried to create URI but no luck as cursor returned is always null. Where do I go wrong? Uri uri = Uri.parse(Environment.DIRECTORY_DCIM+"/FightAll_BJJ_Scoring/"+(fight.filename)); Cursor cursor = MediaStore.Video.query(getContext().getContentResolver(), uri, new String[]{MediaStore.Video.VideoColumns.DURATION,MediaStore.Video.VideoColumns.DATE_TAKEN,MediaStore.Video.VideoColumns.RESOLUTION,MediaStore.Video.VideoColumns.DISPLAY_NAME}); // cursor is always null here

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• problem with iterate over java.util.Map using "JSF" OR JSTL TAGS

  - by New-To-Java

  I'm using Richfaces jsf and I want to iterate over an Map<Object,Object>. I see many examples on sun forums and other sites but in my case it doesn't work ! here is my xhtml code : <c:forEach items="#{order.customOptions}" var="option"> <h:outputText value="this text does not print"/> <h:outputText value="#{option.value.name}" /> <h:outputText value="#{option.value.key}" /> </c:forEach> and the "order" object is of type "Order". "customOptios" is of type Map<CustomOption,CustomOptionValue> and when I create an javascript alert on to print '#{order.customeOptions}' it's content is true. but it's not even enter in c:forEach loop. please heeeeelp me :(

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