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• What is the best practise to create MSI with some other child MSI as prerequisite?

  - by sankar

  Currently we are using Innosetup as a bootstrapper to install the MSI prerequisites. It makes bit complex to maintain the setup. I found that burn tool which may help us to resolve this issue by having a single setup to install whatever we need. I could not find either documentation or sample for this tool. Is anyone have idea about this? or you can give me the alternate solution if you have. Looking for the alternate soltuion for the actions that we do with ISS bootstrapper now: Extract the files (Main setup, Prerequisite setup) Need to ensure prerequisites status and install on demand. Start main install.

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• Paypal - DoExpressCheckoutPayment null pointer

  - by user969894

  String nvpstr = "&TOKEN=" + token + "&PAYERID=" + payerID + "&PAYMENTREQUEST_0_PAYMENTACTION=" + paymentType + "&PAYMENTREQUEST_0_AMT=" + finalPaymentAmount + "&PAYMENTREQUEST_0_CURRENCYCODE=" + currencyCodeType + "&IPADDRESS=" + serverName; Having done an earlier call to SetExpressCheckout, I had to change a few parameter names because Paypal had changed it in the documentation but not in the code from the integration wizard. Now for DoExpressCheckoutPayment I've modified a few but I get a null pointer at strAck: HashMap nvp = httpcall("DoExpressCheckoutPayment", nvpstr); String strAck = nvp.get("ACK").toString(); if (strAck.equalsIgnoreCase("Success")) { return nvp; } Not sure what is wrong, any suggestions for debugging this or possible solutions?

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• How are binding specified for Interface Builder plugins?

  - by Benedict Cohen

  I'm creating an Interface Builder plugin for an NSView subclass. I've been following the Interface Builder Plug-in Programming Guide but it's not answer all my questions. My class has one NSString property and 4 NSColor properties which I want to create bindings for at design time. I can't figure out where the bindings are specified in the plugin project. The documentation states that the Inspector Object is only for creating the Attribute Inspector. The class description file (.classdescription) lists outlets and actions but not bindings. Where do I specify the bindings for my class?

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• How can I set the minDate/maxDate for jQueryUI Datepicker using a string?

  - by leo

  jQueryUI Datepicker documentation states that the minDate option can be set using "a string in the current dateFormat". So I've tried the following to initialize datepickers: $("input.date").datepicker({ minDate: "01/01/2010", maxDate: "12/31/2010" }); However, this results in my datepicker having a selectable date range that goes from 11/06/2015 to 12/17/2015. I've checked the current dateformat and its mm/dd/yy, which is supposed to mean 2 digits for the month, 2 for the day, and 4 for the year, separated by slashes. I've also tried including dateFormat: "mm/dd/yy" in the inizialization statement. I've also checked the values for minDate and maxDate afterwards and they ARE being set to the values I want: 01/01/2010 and 12/31/2010. I want to be able to set min/maxDate with strings because I'm being passed these values as strings from somewhere else. Maybe someone knows why this happens and how to solve this, or a workaround to achieve this, perphaps changing the format of the date strings or something? Thanks EDIT: Using: jQuery v1.3.2 and jQuery UI v1.7.2

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• Spring 3 - Custom Security

  - by Eqbal

  I am in the process of converting a legacy application from proprietary technology to a Spring based web app, leaving the backend system as is. The login service is provided by the backend system through a function call that takes in some parameter (username, password plus some others) and provides an output that includes the authroizations for the user and other properties like firstname, lastname etc. What do I need to do to weave this into Spring 3.0 security module. Looks like I need to provide a custom AuthenticationProvider implementation (is this where I call the backend function?). Do I also need a custom User and UserDetailsService implementation which needs loadUserByName(String userName)? Any pointers on good documentation for this? The reference that came with the download is okay, but doesn't help too much in terms of implementing custom security.

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• How to do a Postgresql subquery in select clause with join in from clause like SQL Server?

  - by Ricardo

  I am trying to write the following query on postgresql: select name, author_id, count(1), (select count(1) from names as n2 where n2.id = n1.id and t2.author_id = t1.author_id ) from names as n1 group by name, author_id This would certainly work on Microsft SQL Server but it does not at all on postegresql. I read its documentation a bit and it seems I could rewrite it as: select name, author_id, count(1), total from names as n1, (select count(1) as total from names as n2 where n2.id = n1.id and n2.author_id = t1.author_id ) as total group by name, author_id But that returns the following error on postegresql: "subquery in FROM cannot refer to other relations of same query level". So I'm stuck. Does anyone know how I can achieve that? Thanks

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• How do I format positional argument help using Python's optparse?

  - by cdleary

  As mentioned in the docs the optparse.OptionParser uses an IndentedHelpFormatter to output the formatted option help, for which which I found some API documentation. I want to display a similarly formatted help text for the required, positional arguments in the usage text. Is there an adapter or a simple usage pattern that can be used for similar positional argument formatting? Clarification Preferably only using the stdlib. Optparse does great except for this one formatting nuance, which I feel like we should be able to fix without importing whole other packages. :-)

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• Open Source Log Aggregators?

  - by Dean J

  I have sixteen servers using Log4J logs, accessible by ssh. I want to see the output of all logs on my desktop machine. Apache Chainsaw can presumably do this, but the documentation isn't getting me there. "Put all the jars into your ~/.chainsaw directory", got that. "Chainsaw will automatically use the functionality in those JARs"? Nope. Chainsaw isn't picking up log4j-chainsaw-vfs.jar, by the look of it, so sftp is out. Any suggestions other than Chainsaw?

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• Incongruity between Eclipse Outline/Package perspective and source code being displayed - Java error generated at runtime

  - by David Daedalus

  I've been debugging a Java application and have encountered something odd. When a particular method is called, Java throws a ClassNotFoundException. Unfortunately, the methods in question (the invoking and the 'missing' one) are inside a JAR file for which I have no documentation or source. To get at the source, I used JD-GUI (a Java JAR reverse engineer-er) and the JD plugin for Eclipse. As far as I can tell, the class in question exists inside the JAR file. This because JD-GUI displays it inside the JAR, and from within Eclipse I can see it listed along with the constructors and methods. My question is why the source being displayed in Eclipse is for a different class (that also exists)? This program was built with Ant - is it possible the problem lies there? Screenshot below for your viewing pleasure - and thanks in advance for your help!

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• OSMF - add an actionscript cuepoint to a video?

  - by redconservatory

  I'm trying to add a cuepoint to a video using OSMF. I built an OSMF video player, and I'd like to use this instead of the FLVPlayback component, which seems like the only way to add an actionscript cuepoint? Anyhow, I created a cuepoint by writing this: var cuePoint:CuePoint = new CuePoint(CuePointType.ACTIONSCRIPT, 1, "good point", null); videoElement.addEventListener(MediaElementEvent.METADATA_ADD, onMetadataAdd); trace(cuePoint.time); The cuepoint time traced out to "1" (successful). I then took this code from the documentation, thinking it would help trace the cuepoint when I published my movie (to test the video) private function onMetadataAdd(event:MediaElementEvent):void { if (event.namespaceURL == CuePoint.DYNAMIC_CUEPOINTS_NAMESPACE) { var timelineMetadata:TimelineMetadata = videoElement.getMetadata(CuePoint.DYNAMIC_CUEPOINTS_NAMESPACE) as TimelineMetadata; timelineMetadata.addEventListener(TimelineMetadataEvent.MARKER_TIME_REACHED, onCuePoint); } } private function onCuePoint(event:TimelineMetadataEvent):void { var cuePoint:CuePoint = event.marker as CuePoint; trace("Cue Point at " + cuePoint.time); } However, I don't get a trace message when the video hits 1 second. Can anyone help me?

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• Google app engine and paging

  - by klausbyskov

  How would one go about writing a query that selects items 2000-2010 out of a collection of 10000 objects in the data store. I know that it can be done like this in GQL: select * from MyObject limit 10 offset 2000 According to the documentation, when using an offset the engine will still fetch all the rows, only not return them, thus making the query perform in a way that corresponds linearly with the value of offset. Is there any better way? Such as using a pseudo ROWNUM column like one could do in other types of data stores.

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• How to set the default page for a .CHM file in HTML Help Workshop?

  - by mengchew0113

  When I open the help (.chm) application, I could see table of contents. By default, the first entry in the file is selected, however I couldn't see the corresponding page data. Instead, I see "This program cannot display the web page" (the default error message that comes in IE7).The page is displayed only when I click on any of the contents on the left side. Is there a way of showing the page by default without clicking on the entry? The following code is the .hhp file. [OPTIONS] Compatibility = 1.1 or later Compiled file=Config.chm Contents file=Config.hhc Default topic=D:\apps\bin\Debug\html\Databases.htm Language=0x409 English (United States) Display compile progress=No Title=ETL_Config Documentation [FILES] D:\apps\bin\Debug\html\Databases.htm D:\apps\bin\Debug\html\InstanceInformation.htm

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• Include at text file as is in (Python) Sphinx Docs

  - by Gregg Lind

  (using Python-Sphinx Documentation tool) I have a .txt log file I'd like to build into _build/html unaltered. What do I need to alter in conf.py, index.rst, etc. Here is the layout: src/ index.rst some_doc.rst somefile.txt How do I get somefile.txt into the html build? I tried adding a line like this to index.rst: Contents: .. toctree:: :maxdepth: 2 some_doc "somefile.txt" hoping it would work by magic, but no magic here! Assuming this is even possible, what would I put in some_doc.rst to refer/link to that file? Note Yes, I'm aware I could put it in /static and just be done with it, but that seems like a total hack, and ugly.

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• iPhone: custom UITableViewCell with Interface Builder -> how to release cell objects?

  - by Stefan Klumpp

  The official documentation tells me I've to do these 3 things in order to manage the my memory for "nib objects" correctly. @property (nonatomic, retain) IBOutlet UIUserInterfaceElementClass *anOutlet; "You should then either synthesize the corresponding accessor methods, or implement them according to the declaration, and (in iPhone OS) release the corresponding variable in dealloc." - (void)viewDidUnload { self.anOutlet = nil; [super viewDidUnload]; } That makes sense for a normal view. However, how am I gonna do that for a UITableView with custom UITableViewCells loaded through a .nib-file? There the IBOutlets are in MyCustomCell.h (inherited from UITableViewCell), but that is not the place where I load the nib and apply it to the cell instances, because that happens in MyTableView.m So do I still release the IBOutlets in the dealloc of MyCustomCell.m or do I have to do something in MyTableView.m? Also MyCustomCell.m doesn't have a - (void)viewDidUnload {} where I can set my IBOutlets to nil, while my MyTableView.m does.

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• What is a good Java web crawler library?

  - by DrDee

  Hi, I am about to develop a crawler in Java but don't feel like reinventing the wheel. A quick Google search gives a whole bunch of Java libraries to build a web crawler. Besides that Nutch is of course a very robust package but seems a bit too advanced for my needs. I only need to crawl a handful websites a week containing a couple of 1000 pages each. Which open source Java library would you recommend considering: speed multithreading (or even distributed) extending it with new functionality active maintained and documentation?

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• Multiple Grails Applications create Ehcache conflicts

  - by Lloyd Meinholz

  I am running multiple Grails Applications on one of my servers. I am using Grails 1.2.2. I am using the default cache configuration in DataSource.groovy. When I try and run two Grails applications, they both seem to be using/writing to: /tmp/org.hibernate.cache.UpdateTimestampsCache.data When I look at how to customize Ehcache with an ehcache.xml file from this page: http://ehcache.org/documentation/grails.html I do not see any information about specifying the locations and/or names or temporary files. How do I avoid this issue when running multiple Grails applications on the same server (without turning off the cache)?

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• I am unable to find login page for phpmyadmin

  - by Awan

  I was using phpmyadmin(in Wamp) without a password for root. I thought to set a password for root and goto Privileges page and set a password for root. Now whenever I go to localhost/phpmyadmin page it gives me the following error. MySQL said: Documentation #1045 - Access denied for user 'root'@'localhost' (using password: NO) phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server. I don't know that what is the problem. It is not showing me a login type page to enter a username and password. Any idea that what is the problem ? Thanks

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• How can I tag a user in a photo using the Facebook Graph API?

  - by fr6

  I tried: $args = array( 'access_token' => $access_token, 'id' => $uid ); $url = "https://graph.facebook.com/{$idPhoto}/tags"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $args); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); $data = curl_exec($ch); It has returned me: {"error":{"type":"QueryParseException","message":"Unknown path components: \/tags"}} It does not seem possible because its not in the Facebook documentation: http://developers.facebook.com/docs/api#publishing Can someone confirm me that it's not possible to tag a user in a recently uploaded photo?

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• How do I Moq It.IsAny for an array in the setup of a method?

  - by Graham

  I'm brand new to Moq (using v 4) and am struggling a little with the documentation. What I'm trying to do is to Moq a method that takes a byte array and returns an object. Something like: decoderMock.Setup(d => d.Decode(????).Returns(() => tagMock.Object); The ???? is where the byte[] should be, but I can't work out how to make it so that I don't care what's in the byte array, just return the mocked object I've already set up. Moq.It.IsAny expects a generic. Any help please?

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• Paypal recuring IPN signals

  - by user1548981

  When creating Paypal recurring payments i don't receive any notifications from IPN that the recurring payments were actually made. I do receive the notifications that recurring profiles are created, that regular payments are made, that profile is canceled and so on. But no notifications when Paypal make the recurring payment. The file that process the ipn notification works fine and i think is bug free.It also send me an email every time he got something from Paypal(with row POST data) so i don't think the problem is here. Does Paypal send these notifications.If i set a daily recurring payment i should get a daily notification that payment was made? From what i read in documentation i should get these signals but.. Thanks

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• Rails Mikel Mail Gem How to use Views

  - by Victor Martins

  I'm trying to use mikel gem mail on my 2.3.5 Rails App http://github.com/mikel/mail I have it working like this. I've made a MailComHelper, made a method like this : def self.welcome(user,password) @user = user m = Mail.new m.from = '[email protected]' m.to = @user.email m.subject = 'welcome' m.body = 'The body' m.delivery_method :sendmail m.deliver! end And it works, I receive the mail. But I wish I could use the old way of calling a view ( html.erb ) file and send that code has the body. I've read the documentation but haven't found a way to do it. Has anyone found a way to do it?

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• What does Visual Studio 2008 do when I add an assembly reference?

  - by tk-421

  When I add a reference to an assembly (living in the GAC) to web.config in an ASP.NET project, what does Visual Studio do? [This is related to an earlier question pertaining to BusinessObjects: http://stackoverflow.com/questions/2379615/ ] When I add "CrystalDecisions.Enterprise" and "CrystalDecisions.Enterprise.Framework" to the assemblies element in web.config, VS thinks long and hard about it, locking me out for a couple of minutes while it scrutinizes the newcomers. What is it doing during this time? I Googled this but came up empty. I can make some educated guesses (IntelliSense integration, perhaps?) but would ideally like to find some documentation describing exactly what's going on. Ultimately I'm hoping to learn why these BO references are making VS take several minutes to open my projects (I struck out on the SAP forums).

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• vb.net - how do I parse a percentage value from a grid cell?

  - by Bob Palin

  I'm trying to parse a formatted percentage value back from a datagridviewcell that has been set with the "P" formatter: double percent = 0.96 cell.value = percent.tostring("p") gives me a displayed value of 96 % which is what I want. Now what I'm looking for is something like what is provided for the other formatting strings - NumberStyles.HexNumber, Currency etc so that I can do this double percent= double.parse( cell.value, NumberStyles.Percent ) which would give me a percent value of .96 I have scoured the .net documentation but can't find any sort of AllowPercent style like the others - is there one? Bob Palin p.s. I see there is another question here like this and tried to expand on it in that thread, but was deleted by a moderator and told to post a new question.

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• What's the official Microsoft way to track counts of dynamic controls to be reconstructed upon Postback?

  - by John K

  When creating dynamic controls based on a data source of arbitrary and changing size, what is the official way to track exactly how many controls need to be rebuilt into the page's control collection after a Postback operation (i.e. on the server side during the ASP.NET page event lifecycle) specifically the point at which dynamic controls are supposed to be rebuilt? Where is the arity stored for retrieval and reconstruction usage? By "official" I mean the Microsoft way of doing it. There exist hacks like Session storage, etc but I want to know the bonafide or at least Microsoft-recommended way. I've been unable to find a documentation page stating this information. Usually code samples work with a set of dynamic controls of known numbers. It's as if doing otherwise would be tougher. Update: I'm not inquiring about user controls or static expression of declarative controls, but instead about dynamically injecting controls completely from code-behind, whether they be mine, 3rd-party or built-in ASP.NET controls.

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• .NET Framework - Possible memory-leaky classes?

  - by Robert Fraser

  Just the other day I was investigating a memory leak that was ballooning the app from ~50MB to ~130MB in under two minutes. Turns out that the problem was with the ConcurrentQueue class. Internally, the class stores a linked list of arrays. When an item is dequeued from the ConcurrentQueue, the index in the array is bumped, but the item remains in the array (i.e. it's not set to null). The entire array node is dropped after enough enqueues/dequeues, so it's not technically a leak, but if storing only a few large objects in the ConcurrentQueue, this can get out of hand fast. The documentation makes no note of this danger. I was wondering what other potential memory pitfalls are in the Base Class Library? I know about the Substring one (that is, if you call substring and just hold onto the result, the whole string will still be in memory). Any others you've encountered?

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