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  • Is this a dangerous locking pattern?

    - by Martin
    I have an enumerator written in C#, which looks something like this: try { ReadWriteLock.EnterReadLock(); yield foo; yield bar; yield bash; } finally { ReadWriteLock.ExitReadLock(); } I believe this may be a dangerous locking pattern, as the ReadWriteLock will only be released if the enumeration is complete, otherwise the lock is left hanging and is never released, am I correct? If so, what's the best way to combat this?

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  • How to check in which position (landscape or portrait) os the iPhone now?

    - by Mike Rychev
    I have an app with a tab bar, and nav controllers in each tab. When user shakes the device, a UIImageView appears as a child view in the nav controller. But the UIImageView must contain a special image, depending on the device's current orientation. If I write just - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation) if (interfaceOrientation == UIInterfaceOrientationPortrait|| interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) { //Code } else if (interfaceOrientation == UIInterfaceOrientationLandscapeRight||interfaceOrientation == UIInterfaceOrientationLandscapeLeft) { //Code } } The view just goes crazy if user rotated the device before shaking. Is there a method to get iPhones current orientation?

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  • How to order a window to front if you are not in the Application in Objective-C

    - by ahmet2106
    Hello, Is there a way to make a "makeKeyAndOrderToFront" without beeing in the Application? If I am in Safari and in the Menu Bar there is a MenuItem to my App, after I press this, i want to show a window of my App in the Front (makeKeyAndOrderToFront makes this just if you are in the Application). Which way can I use? And how can I animate this Window (like Tweeties Add new Tweet - atebits.com). Thank you!

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  • About jw player?

    - by Surya sasidhar
    hi, I am using jw player for playing audio. can i remove the screen and can i place the only tool bar of the jw player (with out screen). is it possible if yes what can i do thank you

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  • Ideal way to cancel an executing AsnycTask

    - by Samuh
    I am running remote audio-file-fetching and audio file playback operations in a background thread using AsnycTask. A Cancellable progress bar is shown for the time the fetch operation runs. I want to cancel/abort the AsnycTask run when the user cancels(decides against) the operation. What is the ideal way to handle such a case? Thanks.

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  • In subform of a MS Access form, how to hide/show the vertical scroll bars as needed?

    - by PowerUser
    I have a subform in an MS Access form which is not hiding/showing the vertical scroll bars as needed. In the example picture, the vertical scroll bar is showing even though there aren't enough records to warrant vertical scrolling. How do I get the scroll bars to show only when they are needed? Do I need to add an if-then condition to the on_load event? or is there an easier option?

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  • Having trouble with time.sleep

    - by Waterfox
    When I run, for example: print("[",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("=",end=" ") time.sleep(1) print("]",end=" ") Nothing happens for 10 seconds, then the whole [ = = = = = = = = = = ] appears. How can I prevent that so that it can act as a sort of progress bar?

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  • SQL Server Reporting Services: creating a Pareto chart

    - by william
    I am trying to create a Pareto Chart in SQL Server Reporting Service 2005. I created a chart, but having difficulties in trying to get my cumulative(line) to display. I listed my values below. =SUM(Fields!Total_SR.Value)/MAX(Fields!Total_SR.Value, "SeriesGroup")*0.75 cumulative value: =RunningValue(Fields!Total_SR, Sum, "SeriesGroup") / Sum(Fields!Total_SR, "SeriesGroup") I am able to get the Bar to display. This is the instructions I used: http://msdn.microsoft.com/en-us/library/aa964128(SQL.90).aspx

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  • Msg 10054, Level 20, State 0, Line 0 Error when altering a stored procedure to add a couple of curso

    - by doug_w
    We have a home-rolled backup stored procedure that uses xp_cmdshell to create and clean up database backups. We have an instance that is 2005 sp3 that we are trying to deploy this script to. I am at a bit of a loss for why it is not working. When I execute the create it runs for about 30 seconds and yields the following error: Msg 10054, Level 20, State 0, Line 0 A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.) In my tinkering I discovered that by removing the cursors that actually do the work it will allow me to create the stored procedure (not very helpful for me though). If I add the cursors back in using an alter the error returns. I would be curious if someone has experienced this problem and knows of a solution or work around. I am not opposed to posting the source, it is just lengthy. Things I have checked: Error Logs No dump files in the log directory Thanks in advance for the help.

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  • Grails: URL mapping - how to pass file extension ?

    - by Olexandr
    Hi. I have some folder with different files. I want to use something like this: http://myserver.com/foo/bar/test.html I'm using this way to obtain path: "/excursion/$path**" (controller:"excursion", action:"sweet") But it doesn't helps with file extensions... How to disable file extensions truncating ?

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  • iphone sdk - segmentedcontrol.tintcolor not working in OS3

    - by ade
    In my app I have a uisegmentedcontrol in the navigation bar, as the right button item. the code: segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar; segmentedControl.tintColor = [UIColor colorWithRed:0.70 green:0.171 blue:0.1 alpha:1.0]; works in OS2 but not OS3...? ade. p.s. my base sdk is 3.0

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  • Postfix "mail-to-script" pipe only delivers empty messages

    - by user68202
    i have a problem here. I want that a incoming email is piped to a php script in the system through postfix. My System is running with ispconfig 3, postfix and dovecot (< virtual mailbox users are saved in mysql). I looked already into this one: How to configure postfix to pipe all incoming email to a script? ... the script is executed, but no "message" is delivered to the script. My setup so far: In ISPConfig 3 i have set up the following email route: Active Server Domain Transport Sort by Yes example.com pipe.example.com piper: 5 excerpt from my postfix master.cf: piper unix - n n - - pipe user=piper:piper directory=/home/piper argv=php -q /home/piper/mail.php so far it is working great (mail sent to [email protected]) (mail.log): Jun 21 16:07:11 example postfix/pipe[10948]: 235CF7613E2: to=<[email protected]>, relay=piper, delay=0.04, delays=0.01/0.01/0/0.02, dsn=2.0.0, status=sent (delivered via piper service) ... and no errors in mail.err the mail.php is sucessfully executed (its chmod 777 and chown'ed to piper), but creates a empty .txt file (normally it should contain the email message): -rw------- 1 piper piper 0 Jun 21 16:07 mailtext_1340287631.txt the mail.php script ive used, is the one from http://www.email2php.com/HowItWorks if i use their (commercial) service to pipe an email to the mail.php (in a apache2 environment) through a provided "pipe-email", the message is saved sucessfully and complete. But as you can see, i dont want to use external services. -rw-r--r-- 1 web2 client0 1959 Jun 21 16:19 mailtext_1340288377.txt So, whats wrong here? I think it has something to do with the "delivering configuration" in my system...

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  • XSLT: How to exclude empty elements from my result?

    - by Fedor Steeman
    I have a rather complicated xslt sheet transforming one xml format to another using templates. However, in the resulting xml, I need to have all the empty elements excluded. How is that done? This is how the base xslt looks like: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:far="http://www.itella.com/fargo/fargogate/" xmlns:a="http://tempuri.org/XMLSchema.xsd" xmlns:p="http://tempuri.org/XMLSchema.xsd"> <xsl:import href="TransportCDMtoFDM_V0.6.xsl"/> <xsl:import href="ConsignmentCDMtoFDM_V0.6.xsl"/> <xsl:template match="/"> <InboundFargoMessage> <EdiSender> <xsl:value-of select="TransportInformationMessage/SenderId"/> </EdiSender> <EdiReceiver> <xsl:value-of select="TransportInformationMessage/RecipientId"/> </EdiReceiver> <EdiSource> <xsl:value-of select="TransportInformationMessage/Waybill/Parties/Consignor/Id"/> </EdiSource> <EdiDestination>FARGO</EdiDestination> <Transportations> <xsl:for-each select="TransportInformationMessage/TransportUnits/TransportUnit"> <xsl:call-template name="transport"/> </xsl:for-each> <xsl:for-each select="TransportInformationMessage/Waybill/TransportUnits/TransportUnit"> <xsl:call-template name="transport"/> </xsl:for-each> <xsl:for-each select="TransportInformationMessage/Waybill"> <EdiImportTransportationDTO> <Consignments> <xsl:for-each select="Shipments/Shipment"> <xsl:call-template name="consignment"/> </xsl:for-each> </Consignments> <EdiTerminalDepartureTime> <xsl:value-of select="DatesAndTimes/EstimatedDepartureDateTime"/> <xsl:value-of select="DatesAndTimes/DepartureDateTime"/> </EdiTerminalDepartureTime> <EdiAgentTerminalArrivalDate> <xsl:value-of select="DatesAndTimes/EstimatedArrivalDateTime"/> <xsl:value-of select="DatesAndTimes/ArrivalDateTime"/> </EdiAgentTerminalArrivalDate> <EdiActivevehicle> <xsl:value-of select="Vehicle/TransportShiftNumber"/> </EdiActivevehicle> <EdiConveyerZipCodeTown><xsl:text> </xsl:text></EdiConveyerZipCodeTown> </EdiImportTransportationDTO> </xsl:for-each> </Transportations> </InboundFargoMessage> </xsl:template> </xsl:stylesheet> What needs to be added, so that empty elements are left out? For example, a snippet from the resulting xml: <?xml version="1.0" encoding="UTF-8"?> <InboundFargoMessage xmlns:p="http://tempuri.org/XMLSchema.xsd" xmlns:far="http://www.itella.com/fargo/fargogate/" xmlns:a="http://tempuri.org/XMLSchema.xsd"> <EdiSender>XXXX</EdiSender> <EdiReceiver>YYYY</EdiReceiver> <EdiSource>TR/BAL/IST</EdiSource> <EdiDestination>FARGO</EdiDestination> <Transportations> <EdiImportTransportationDTO> <Consignments> <EdiImportConsignmentDTO> <ConsignmentLines> <EdiImportConsignmentLineDTO> <DangerousGoodsItems> <EdiImportDangerGoodsItemDTO> <EdiKolliTypeOuter/> <EdiKolliTypeInner/> <EdiTechnicalDescription/> <EdiUNno/> <EdiClass/> <EdiDangerFactor/> <EdiEmergencyTemperature/> </EdiImportDangerGoodsItemDTO> </DangerousGoodsItems> <BarCodes> <EdiImportConsignmentLineBarcodeDTO/> </BarCodes> <EdiNumberOfPieces>00000002</EdiNumberOfPieces> <EdiGrossWeight>0.000</EdiGrossWeight> <EdiHeight/> <EdiWidth/> <EdiLength/> <EdiGoodsDescription/> <EdiMarkingAndNumber/> <EdiKolliType>road</EdiKolliType> <EdiCbm/> <EdiLdm/> </EdiImportConsignmentLineDTO> That really needs to be: <?xml version="1.0" encoding="UTF-8"?> <InboundFargoMessage xmlns:p="http://tempuri.org/XMLSchema.xsd" xmlns:far="http://www.itella.com/fargo/fargogate/" xmlns:a="http://tempuri.org/XMLSchema.xsd"> <EdiSender>XXXX</EdiSender> <EdiReceiver>YYYY</EdiReceiver> <EdiSource>TR/BAL/IST</EdiSource> <EdiDestination>FARGO</EdiDestination> <Transportations> <EdiImportTransportationDTO> <Consignments> <EdiImportConsignmentDTO> <ConsignmentLines> <EdiImportConsignmentLineDTO> <DangerousGoodsItems/> <BarCodes/> <EdiNumberOfPieces>00000002</EdiNumberOfPieces> <EdiGrossWeight>0.000</EdiGrossWeight> <EdiKolliType>road</EdiKolliType> </EdiImportConsignmentLineDTO> In other words: Empty elements should be left out.

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  • PTR record not valid for all domains

    - by charnley
    We have an issue sending emails to certain domains, namely Time Warner and Cox. Last week, we decommissioned our Exchange 2003 server and now our Exchange 2010 server is doing all of the transport for our domain. We run our own authoritative name servers, so we are in charge of the DNS and have modified our PTR record to reflect the new server. All mailflow is working except for these 2 domains. When I telnet on port 25 to the mail servers for Cox and Time Warner I am receiving errors. For Cox the error is: 554... rejected - no rDNS And when I telnet to port 25 to the Time Warner mail server we get this: 554 5.7.1 - Connection refused. IP name lookup failed for x.x.x.x I have run through the outbound SMTP test on Microsoft Remote Connectivity Analyzer and get 100% completely successful results. MXToolbox comes up with all successful tests on SMTP as well, showing correct reverse banner check, and no blacklisting. DNSQueries.com shows a valid reverse DNS entry as well for us. Outbound emails to these 2 domains continue to sit in the queue. Any ideas or advice would be greatly appreciated. Thanks!

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  • how to use thickbox image gallery in Codeignitor?

    - by Chirag
    Hi, I have integrate jQuery thick box in Codeignitor, when i am using this thick box for the singe image then it will work,but when i am using the same thickbox for image gallery by applying the "rel" attributes to anchor tag then it wont work it shows only loading bar. can anyone help me out?

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  • Using JLabels as pseudo buttons.

    - by FreeThinker
    Currently I am developing a small todo list manager and would like to use labels in place of buttons on the 'context' bar. If any one could provide me with information on how I could go about doing this I would appreciate it greatly.

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  • How to retrieve Directories size including all sub-directories?

    - by vikingosegundo
    I have stored images from the net like this Documents/imagecache/domain1/original/path/inURI/foo.png Documents/imagecache/domain2/original/path/inURI/bar.png Documents/imagecache/... Documents/imagecache/... Now I'd like to check the size of imagecache including all it sub-directories. Is there a convenient way of doing it — preferable without crawling through all the data manually?

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  • Berkeley DB: btree prefix comparison for directory-like keys?

    - by Mark Harrison
    I'm going to index a BDB with keys that look a lot like directory paths ('/foo/bar', '/foo/baz', etc, with levels of slashes generally < 10). Does anybody have any experience with using a Btree prefix comparison routine[1] for this? Are the savings worthwhile? Any references to experience papers on this subject? [1] http://www.stanford.edu/class/cs276a/projects/docs/berkeleydb/ref/am_conf/bt_prefix.html

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  • Recursively add files by pattern

    - by Michel Krämer
    How do I recursively add files by a pattern (or glob) located in different directories? For example, I'd like to add A/B/C/foo.java and D/E/F/bar.java (and several other java files) with one command: git add '*.java' Unfortunately, that doesn't work as expected.

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  • Too many concurrent connections Exchange 2010. What else is there to check?

    - by hydroparadise
    I thought that I had this under control before. But for some reason during our last email marketing promo, I start receiving from our mass email client (built in house).. The message could not be sent to the SMTP server. The transport error code is 0x800ccc67. The server repsonse was 421 4.3.2 The maximum number of concurrent connections has exceeded a limit, closing transmission channel again. There's several places I've checked to make sure that wouldn't be an issue. First I checked that receive connector was set to receive an adequate number of connections on our relay connector (1000 connections). Then, I would later find out about Throttling Policies. I created one and set all the properties I knew to set in terms of the policy following properties to 1000; EWSMaxConcurrency, OWAMaxConcurrency, CPAMaxConcurrency, and CPAMaxConcurrency. Still, the email client starts receiving the error shortly after 100 has been sent and takes about 15-30 seconds. The process is then repeatable, but still the error gets received at the same spot everytime. Is there a rate setting that I am missing? Was there a windows update that I missed looking at? Should the software have it's own throttling feature?

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  • Adding NavigationControl to a TabBar Application containing UITableViews

    - by kungfuslippers
    Hi, I'm new to iPhone dev and wanted to get advice on the general design pattern / guide for putting a certain kind of app together. I'm trying to build a TabBar type application. One of the tabs needs to display a TableView and selecting a cell from within the table view will do something else - maybe show another table view or a web page. I need a Navigation Bar to be able to take me back from the table view/web page. The approach I've taken so far is to: Create an app based around UITabBarController as the rootcontroller i.e. @interface MyAppDelegate : NSObject <UIApplicationDelegate> { IBOutlet UIWindow *window; IBOutlet UITabBarController *rootController; } Create a load of UIViewController derived classes and associated NIBs and wire everything up in IB so when I run the app I get the basic tabs working. I then take the UIViewController derived class and modify it to the following: @interface MyViewController : UIViewController<UITableViewDataSource, UITableViewDelegate> { } and I add the delegate methods to the implementation of MyViewController - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 2; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } if (indexPath.row == 0) { cell.textLabel.text = @"Mummy"; } else { cell.textLabel.text = @"Daddy"; } return cell; } Go back to IB , open MyViewController.xib and drop a UITableView onto it. Set the Files Owner to be MyViewController and then set the delegate and datasource of the UITableView to be MyViewController. If I run the app now, I get the table view appearing with mummy and daddy working nicely. So far so good. The question is how do I go about incorporating a Navigation Bar into my current code for when I implement: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath() { // get row selected NSUInteger row = [indexPath row]; if (row == 0) { // Show another table } else if (row == 1) { // Show a web view } } Do I drop a NavigationBar UI control onto MyControllerView.xib ? Should I create it programmatically? Should I be using a UINavigationController somewhere ? I've tried dropping a NavigationBar onto my MyControllerView.xib in IB but its not shown when I run the app, only the TableView is displayed.

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  • django internationalisation

    - by ha22109
    Hello , I am doing django admin internationalization .I am able to do it perfectly.But my concern is that in the address bar it is showing the app label in tranlated form which is not in us acii .Is this the problem with django or i m doing something wrong.

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