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• How to change line thickness in iText?

  - by drasto

  I'm drawing images to pdf using Java framework iText. I need to draw lines of specified width. There is a method setLineWidth(float width) in class PdfContentByte that should change it. However no matter what value I pass as its parameter the lines drawn are always extra thin. There is following line in javadoc of setLineWidth: The line width specifies the thickness of the line used to stroke a path and is measured in user space units. I don't know what is "space unit". Everything else in iText seems to be measured in point(around 1/72 inch). I cant find any reference to what are those "space units" and how to change them. code: to.setLineWidth(thickness); to.moveTo(x, y); to.lineTo(x + 100, y + 100); Variable to contains instance of PdfContentByte.

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• iPhone SDK. How to assign NSString to UILabel text ?

  - by Del

  If I have a class/object like this #import <Foundation/Foundation.h> @interface anObject : NSObject { NSString *aProp; } @property NSString aProp; @end and in the cellForRowAtIndexPath method i want to assign one of the string values from its properties to a uilabel of a tableviewcell, how do i do it? I've tried this but it doesn't work [[cell topLabel] setText:(NSString *)anObject.aProp]; Putting a breakpoint on the above line and inspecting it, the debugger says "variable is not a CFString Casting the property to a CFString doesnt work Modifying the class and declaring the property as a CFStringRef doesnt work either

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• Iterate over enum?

  - by Rosarch

  I'm trying to iterate over an enum, and call a method using each of its values as a parameter. There has to be a better way to do it than what I have now: foreach (string gameObjectType in Enum.GetNames(typeof(GameObjectType))) { GameObjectType kind = (GameObjectType) Enum.Parse(typeof (GameObjectType), gameObjectType); IDictionary<string, string> gameObjectData = PersistentUtils.LoadGameObject(kind, persistentState); } //... public static IDictionary<string, string> LoadGameObject(GameObjectType gameObjectType, IPersistentState persistentState) { /* ... */ } Getting the enum names as strings, then parsing them back to enums, feels hideous.

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• Does anyone know what these Oracle AQ JMS XA properties do?

  - by Alan Chan

  I'm using Oracle Advanced Queues via JMS from within Websphere App Server. Does anyone know what effect the following two properties have:- - oracle.jms.useEmulatedXA - oracle.jms.useNativeXA I have seen mentioned in some blogs and quick start guides, usually in sentences along the lines of "Add -Doracle.jms.useEmulatedXA=false -Doracle.jms.useNativeXA=true to the JAVA_PROPERTIES variable", without any explanation as to what they do:- e.g. http://biemond.blogspot.com/2008/11/using-aq-in-weblogic-103.html http://sqltech.cl/doc/oas10gR31/integrate.1013/b28994/adptr_aq.htm#CHDEADFB I'm curious as to what these two properties actually do, and what the implications of setting them are, even though they don't seem to have any affect on our app regardless of whether we set them or not. Googling hasn't given any answers, does anyone have any clue what they actually do?

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• WCF Paged Results & Data Export

  - by Ben

  I've walked into a project that is using a WCF service for the data tier. Currently, when data is needed for a grid, all rows are returned and the results are bound to a grid and the dataset is stuffed into a session variable for paging/sorting/rebinding. We've already hit a max message size problem, so I'm thinking it's time to convert from fetch and cache to fetch only the current page. Face value this seems easy enough, but there's a small catch. The user is allowed to export the entire result set at any point. This means that for grid viewing purposes fetching the current page is fine, but when they want to do an export, I still need to make a call for all data. This puts me back into the max message size issue. What is the recommended approach for this type of setup? We are currently using the wsHttpBinding... Thanks for any assistance.

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• Find/Replace but Increment Value

  - by KR Kahn

  Hello, I have an .HTML file that has many photos attached to it for displaying a photo gallery. I'm replacing old photos with new ones, and I'm thinking there must be a more intelligent way than simply copying and pasting repetitive file names. I would love to be able to replace and increment a file name on each replace, starting at a base file name of my choosing. For example... ...images/69thStreet010.jpg ...images/69thStreet011.jpg ...images/69thStreet012.jpg Basically performing a CTRL+F and REPLACE '69thStreet010.jpg' with... ...images/xyz001.jpg ...images/xyz002.jpg ...images/xyz003.jpg And so on until I want it to stop. Anyone here have any suggestions? Thanks a lot! -K.R. UPDATE: I should also add, I'm using Notepad++ to edit my files.

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• IE8 error with Certificate

  - by Jon B

  I have installed a certificate with multiple Common Names on a Red Hat server in the jks format. The web page can be accessed with Firefox and the certificate gets imported. However, IE8 gives the error "Internet Explorer cannot display the webpage". I added the cert with MMC and its properties shows "This certificate has an nonvalid digital signature.". Also the cert doesn't have the URL of the web page in it. The cert does have a valid signature in Firefox and the URL mismatch is ignored. How can I get IE8 to accept it. This cert is required for another Application (where it works fine) and cannot be changed except to change the format. I already have it in PKCS12, jks and pem formats.

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• How to get XDebug working on Mac command line PHP

  - by Eugene M

  I recently installed Zend Server Community Edition on a Mac with Snow Leopard. I can't get XDebug to work ... it shows up in the output for phpinfo from a web browser, but when I var_dump() a variable, there is no special output, and when I run phpunit, code coverage reports aren't generated. Also when I type php -m at the command line, there is nothing for XDebug. I suspect that it's because the Mac is running the executable of PHP that was bundled with it instead of the executable of PHP that came with the Zend Server install. When I type /usr/local/zend/bin/php -m, XDebug does show up. I followed the instructions at http://akrabat.com/php/some-notes-on-zend-server-ce-for-mac-os-x/. Also I downloaded the xdebug.so from the Komodo web site. Zend Debugger and all other Zend extensions are disabled. So how can I get XDebug working correctly?

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• C# .NET MVC Call an action from another controller

  - by Brian

  I have two different objects: contracts, and task orders. My requirements specify that in order to view the Details for either object, the Url should be "http://.../Contract/Details" or "http://.../TaskOrder/Details" depending on which type. They are both very similar and the details pages are almost identical, so I made a class that can either be a contract or a task order, and has a variable "objectTypeID" that says which type it is. I wrote the action "Details" in the task order controller, but now I want to call that from the contract controller instead of recopying the code. So is there any way to have the url still say ".../Contract/Details" but call the action in the TaskOrder controller instead? I tried using TaskOrderController TOController = new TaskOrderController(); TOController.Details(id); This would have worked except that I can't use the HttpContext.Session anymore, which I used several times in the action.

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• Reflection and changing a variables type at runtime?

  - by james-west

  Hi I'm trying to create an object Of a specific type. I've got the following code, but it fails because it can't cast the new table object to the one that is already defined. I need table to start of an IEnumerable type so I can't declare is an object. Public sub getTable(ByVal t as Type) Dim table As Table(Of Object) Dim tableType As Type = GetType(Table(Of )).MakeGenericType(t) table = FormatterServices.GetUninitializedObject(tableType) End sub So in short - is there a way of changing a variable type at runtime? (or a better way of doing what I'm doing) Thanks in advance. James

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• How to pass a string containing both single and double quotes as a parameter to XSLT in PHP?

  - by Boaz

  Hi, I have a simple PHP-based XSLT trasform code that looks like that: $xsl = new XSLTProcessor(); $xsl->registerPHPFunctions(); $xsl->setParameter("","searchterms", $searchterms); $xsl->importStylesheet($xslDoc); echo $xsl->transformToXML($doc); The code passes the variable $searchterms, which contains a string, as a parameter to the XSLT style sheet which in turns uses it as a text: <title>search feed for <xsl:value-of select="$searchterms"/></title> This works fine until you try to pass a string with mixes in it, say: $searchterms = '"some"'." text's quotes are mixed." In that point the XSLT processor screams: Cannot create XPath expression (string contains both quote and double-quotes) What is the correct way to safely pass arbitrary strings as input to XSLT? Note that these strings will be used as a text value in the resulting XML and not as an XPATH paramater. Thanks, Boaz

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• How do I obtain a new stateful session bean in a servlet thread?

  - by FarmBoy

  I'm experimenting with EJB3 I would like to inject a stateful session bean into a servlet, so that each user that hits the servlet would obtain a new bean. Obviously, I can't let the bean be an instance variable for the servlet, as that will be shared. And apparantly injecting local variables isn't allowed. I can use the new operator to create a bean, but that doesn't seem the right approach. Is there a right way to do this? It seems like what I'm trying to do is fairly straightforward, after all, we would want each new customer to find an empty shopping cart.

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• Common Pitfalls in Python

  - by Anurag Uniyal

  Today I was bitten again by "Mutable default arguments" after many years. I usually don't use mutable default arguments unless needed but I think with time I forgot about that, and today in the application I added tocElements=[] in a pdf generation function's argument list and now 'Table of Content' gets longer and longer after each invocation of "generate pdf" :) My question is what other things should I add to my list of things to MUST avoid? Mutable default arguments Import modules always same way e.g. from y import x and import x are different things, they are treated as different modules. Do not use range in place of lists because range() will become an iterator anyway, the following will fail: myIndexList = [0,1,3] isListSorted = myIndexList == range(3) # will fail in 3.0 isListSorted = myIndexList == list(range(3)) # will not same thing can be mistakenly done with xrange: `myIndexList == xrange(3)`. Catching multiple exceptions try: raise KeyError("hmm bug") except KeyError,TypeError: print TypeError It prints "hmm bug", though it is not a bug, it looks like we are catching exceptions of type KeyError,TypeError but instead we are catching KeyError only as variable TypeError, use this instead: try: raise KeyError("hmm bug") except (KeyError,TypeError): print TypeError

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• Correct way to get absolute url in django

  - by dreamiurg

  A problem that I stumbled upon recently, and, even though I solved it, I would like to hear your opinion of what correct/simple/adopted solution would be. I'm developing website using Django + python. When I run it on local machine with "python manage.py runserver", local address is http://127.0.0.1:8000/ by default. However, on production server my app has other url, with path - like "http://server.name/myproj/" I need to generate and use permanent urls. If I'm using {% url view params %}, I'm getting paths that are relative to / , since my urls.py contains this urlpatterns = patterns('', (r'^(\d+)?$', 'myproj.myapp.views.index'), (r'^img/(.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT + '/img' }), (r'^css/(.*)$', 'django.views.static.serve', {'document_root': settings.MEDIA_ROOT + '/css' }), ) So far, I see 2 solutions: modify urls.py, include '/myproj/' in case of production run use request.build_absolute_uri() for creating link in views.py or pass some variable with 'hostname:port/path' in templates Are there prettier ways to deal with this problem? Thank you.

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• maths in Javascript.

  - by Jared

  Can someone please help me out with a javascript/jquery solution for this arithmetic problem... I need to subtract one number from the other. The problem is that the numbers have dollar signs (because its money). So it seems that jquery is treating them as strings instead of numbers. I have created two variables - toalAssets and totalLiabilites. I would like to subtract the latter from the former and place the result into another variable called netWorth Perhaps i need to use 'parseFloat'? But I'm not sure how - his is all a little over my head!

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• call by value-result in Pascal

  - by Luciano Lorenti

  How can i simulate calling by value-result in this example. Without adding variables and without change a variable name.? Program one; var x:integer; Function two():integer; begin x:=x+1; dos:=x; end; Procedure three(x:integer); begin x:=x+5; x:=two(); end; begin x:=8; trhee(x); write(x); end.

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• SQL Server: avoiding hard coding of database name in cross-database views

  - by codeulike

  So, lets say you have two SQL Server Databases on the same server that reference each others tables in their Views, Functions and Stored Procedures. You know, things like this: use database_foo create view spaghetti as select f.col1, c.col2 from fusilli f inner join database_bar.dbo.conchigli c on f.id = c.id (I know that cross-database views are not very good practice, but lets just say you're stuck with it) Are there any good techniques to avoid 'hard coding' the database names? (So that should you need to occasionally re-point to a different database - for testing perhaps - you don't need to edit loads of views, fns, sps) I'm interested in SQL 2005 or SQL 2008 solutions. Cheers.

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• Unit Testing in ASP.NET MVC: Minimising the number of asserts per test

  - by Neil Barnwell

  I'm trying out TDD on a greenfield hobby app in ASP.NET MVC, and have started to get test methods such as the following: [Test] public void Index_GetRequest_ShouldReturnPopulatedIndexViewModel() { var controller = new EmployeeController(); controller.EmployeeService = GetPrePopulatedEmployeeService(); var actionResult = (ViewResult)controller.Index(); var employeeIndexViewModel = (EmployeeIndexViewModel)actionResult.ViewData.Model; EmployeeDetailsViewModel employeeViewModel = employeeIndexViewModel.Items[0]; Assert.AreEqual(1, employeeViewModel.ID); Assert.AreEqual("Neil Barnwell", employeeViewModel.Name); Assert.AreEqual("ABC123", employeeViewModel.PayrollNumber); } Now I'm aware that ideally tests will only have one Assert.xxx() call, but does that mean I should refactor the above to separate tests with names such as: Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectID Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectName Index_GetRequest_ShouldReturnPopulatedIndexViewModelWithCorrectPayrollNumber ...where the majority of the test is duplicated code (which therefore is being tested more than once and violates the "keep tests fast" advice)? That seems to be taking it to the extreme to me, so if I'm right as I am, what is the real-world meaning of the "one assert per test" advice?

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• How do I fix the python installer's 'missing dependencies' error?

  - by Trevor Boyd Smith

  Background: running ubuntu So I downloaded the python "install from source" tarball. I ran make and got this error message: Python build finished, but the necessary bits to build these modules were not found: _aaa _bbb _ccc ... _jjj _kkk I google'd and found one solution is to: MANUALLY map all the string names from the error message to something in the apt-get repo MANUALLY call "sudo apt-get AAA BBB ... JJJ KKK" to get all the libraries I can easily do all of that. But I have no way of knowing what is the right version libraries I need to get! How in the world am I supposed to fix the missing dependencies if I don't know what the exact missing dependency is?

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• Merge Microsoft Word documents with TortoiseSVN

  - by Álvaro G. Vicario

  TortoiseSVN has a nice VBA script that allows to merge Microsoft Word documents using Word builtin change tracking functionality. This way, when I merge changes from a branch into the trunk I can resolve the conflicts in Word documents. However, the feature is not as useful as it could because it doesn't track revision changes; it just compares the two documents as a whole. This way, when I merge a revision where one paragraph was added to the document I'm not offered to review this paragraph. Instead, I have to review all the differences between the source and target documents (including stuff like TOC bookmark names). Is it an inherent limitation I cannot override? Or is it due to the fact that my Word version is pretty old? (I'm using Word 2002). Also, if you know about a magic tool or plugin... ;-)

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• parsing numbers in a javascript array

  - by George

  Hi I have a string of numbers separated by commas, "100,200,300,400,500" that I'm splitting into an array using the javascript split function: var data = []; data = dataString.split(","); I'm trying to parse the values of the array using parseFloat and then store them back into the array. I'd then like to add up the numbers in the array and store it as another variable, "dataSum". I've got the following code, but I can't get it working: var dataSum = ""; for (var i=0; i < data.length; i++) { parseFloat(data[i]); dataSum += data[i]; } So at the end of all this, I should be able to access any of the parsed numbers individually data[0], data[1], etc... and have a total number for dataSum. What am I doing wrong?

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• C++ template name pretty print

  - by aaa

  hello. I have need to print indented template names for debugging purposes. For example, instead of single-line, I would like to indent name like this: boost::phoenix::actor< boost::phoenix::composite< boost::phoenix::less_eval, boost::fusion::vector< boost::phoenix::argument<0>, boost::phoenix::argument<1>, I started writing my own but is getting to be complicated. Is there an existing solution? if there is not one, can you help me to finish up my implementation? I will post it if so. Thanks

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• Java: initialization problem with private-final-int-value and empty 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 InitInt{ // Still the error, "may not be initialized" // How to initialise it? if(snippetBuilder.length()>(charwisePos+25)){ right=charwisePos+25; }else{ right=snippetBuilder.length()-1; } }

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• Multiple MCs, Single Listener, AsBroadcaster

  - by Brett

  I'm currently working trying to have multiple MCs inside a container MC which when they mini MCs are clicked will broadcast a message so that I can act upon them. This would be simple in AS 3 as it would be mc.addEventListener(MouseEvent.CLICK, obj); however, this is AS 2 and so I am semi-forced to use the broadcastMessage('myMessage'); and mc.addListener(obj); event handler. The main problem is that the broadcaster isn't broadcasting any messages. The second problem is that there are 5 MCs and when I click one of them, I get 5 trace messages about the click. I can't seem to keep the MC clicks unique even though they are all given separate instance names vie the properties panel. Any help would be appreciated. A link to my code is here (pastie.org #481511). Can you see anything wrong?

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• Angularjs wait until

  - by Diolor

  I have: $scope.bounds = {} And later in my code: $scope.$on('leafletDirectiveMap.load', function(){ console.log('runs'); Dajaxice.async.hello($scope.populate, { 'west' : $scope.bounds.southWest.lng, 'east': $scope.bounds.northEast.lng, 'north' : $scope.bounds.northEast.lat, 'south': $scope.bounds.southWest.lat, }); }); The bounds as you can see at the begging they are empty but they are loaded later (some milliseconds) with a javascript library (leaflet angular). However the $scope.$on(...) runs before the bounds have been set so the 'west' : $scope.bounds.southWest.lng, returns an error with an undefined variable. What I want to do is to wait the bounds (southWest and northEast) to have been set and then run the Dajaxice.async.hello(...). So I need something like "wait until bounds are set".

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