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• Minimum needs to Deploy SQL Server Integration Services 2008

  - by Tim

  Hi, I would like to run SSIS 2008 packages on a server that does not have SQL Server 2008 installed on it. I have a simple package to test the concept, but it fails to execute. The return code is 9020 which I have not seen listed as a return code elsewhere. I have copied the following files to the test server that does not have SQL Server 2008 installed on it: SelfContainedSample.dtsConfig Package.dtsx DTExec.exe I am attempting to run the package using a batch file. The line in the batch file that runs the package is: "%dtexecloc%\dtexec.exe" /FILE "%packagefolder%\Package.dtsx" /CONFIGFILE "%configfolder\SelfContainedSample.dtsConfig" /CHECKPOINTING OFF /REPORTING E %logfile% set rc=%errorlevel% I am wondering if there are other requirements that need to be satified to run an SSIS 2008 package on a server that does not have SQL Server 2008 on it? .NET Runtime? SSIS 2008 runtime? Please share your advice if you have a solution or have met this issue before. Thanks, Tim

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• How does a programmer think?

  - by Gordon Potter

  This may be a hopelessly vague question. But I am interested to hear whatever logical thought processes people go through when learning a new concept or trying to get their brain around code they might not have ever seen before. Basically, what general steps does one take to to break down problems and what does it take to "get it"? If you were to diagram a flowchart of how your mental process works when you look at code or try to solve a problem what might it look like? What common references, tips, and mental assumptions do you find useful in problem solving? How is this different between different domains? For example in what ways is a web programmer's thought process similar or different from a traditional desktop app developer's process?

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• IOC - Should util classes with static helper methods be wired up with IOC?

  - by Greg

  Hi, Just trying to still get my head around IOC principles. Q1: Static Methods - Should util classes with static helper methods be wired up with IOC? For example if I have a HttpUtils class with a number of static methods, should I be trying to pass it to other business logic classes via IOC? Follow on questions for this might be: Q2: Singletons - What about things like logging where you may typically get access to it via a Logger.getInstance() type call. Would you normally leave this as is, and NOT use IOC for injecting the logger into business classes that need it? Q3: Static Classes - I haven't really used this concept, but are there any guidelines for how you'd typically handle this if you were moving to an IOC based approach. Thanks in advance.

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• Beginner having a problem with classes

  - by David

  I'm working through O'Reilly's "Learning Python" and having a problem with classes. I think I understand the concept, but in practice have stumbled upon this problem. Fron page 88-89: >>> class Worker: def __innit__(self, name, pay): self.name=name self.pay=pay def lastName(self): return self.name.split()[-1] def giveRaise(self, percent): self.pay*=(1.0+percent) Then the book says "Calling the class like a function generates instances of a new type ...etc" and gives this example. bob = Worker('Bob Smith', 50000) This gives me this error: TypeError: this constructor takes no arguments. And then I start muttering profanities. So what am I doing wrong here? Thanks for the help.

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• What is a practical, real world example of the Linked List?

  - by JStims

  I understand the definition of a Linked List, but how can it be represented and related to a common concept or item? For example, inheritance in OOP can be related to automobiles. All (most) automobiles in real life are the essentially same thing; an automobile has an Engine, you can start() it, you can make the car go(), stop() and so on. An automobile would typically have a maximum passenger capacity but it would differ between a Bus and a SportsCar, which are both automobiles. Is there some real life, intuitive example of the plain ole' singly Linked List like we have with inheritance? The typical textbook Linked List example shows a node with an integer and a pointer to the next, and it just doesn't seem very useful. Your input is appreciated.

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• What is the "owning side" in an ORM mapping?

  - by Yousui

  Hi guys, I'm new to JPA. Now I have a question that what exactly is the owning side mean? I only have a rough idea of it. Can someone give me an explanation with some mapping examples(one to many, one to one, many to one) please? Great thanks. ps, the following text is excerpt from the decription of @OneToOne in java EE 6 documentation. You can see the concept owning side in it. Defines a single-valued association to another entity that has one-to-one multiplicity. It is not normally necessary to specify the associated target entity explicitly since it can usually be inferred from the type of the object being referenced. If the relationship is bidirectional, the non-owning side must use the mappedBy element of the OneToOne annotation to specify the relationship field or property of the owning side.

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• Flex4 Application state in a custom component

  - by itarato

  Hi, I'm porting my Flex3 app to Flex4 (FlashBuilder4). I get the whole new state concept, except one thing. In a custom component (separate mxml file) I'm using the main level Application's state. In Flex3 it was: <mx:State name="only_view_mode"> <mx:RemoveChild target="{myComponent.button1}" /> </mx:State> In Flex4 it should be something like that: <mx:State name="only_view_mode" /> and <mx:LinkButton id="button1" excludeFrom="???" /> My question is: how can I access to an Application state from a component? I checked the official reference (http://www.adobe.com/go/learn_flex4_alldocumentation_en) and Google of course but without any success. Thanks in advance

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• how to handle solutions/versioning in subversion

  - by Grayson Mitchell

  We are using ankhsvn to check in our .net code, however I have two issues with our setup that I want to resolve. 1\ I thought a key reason to have a tool like svn is that you can rollback to an earlier version of your codebase. If developers are just checking in code, then how can you get version 1.1 (say the current production build), out of subversion? 2\ In VS you have the concept of solutions, many solutions might use the same project. How do I make sure when a developer checks out a solution, they get the appropriate versions of the projects that belong to that solution?

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• using internationalization on list data

  - by singh

  i am using Struts2 in application. <s:iterator value="listObject"> <s:component template="abc.vm"> <s:param name="text" value="listValue" /> <s:param name="prefix" value="listIndex" /> </s:component> </s:iterator> listValue is a values of list. i am using iterator to traverse the list. now on listValue, i want to put here internationalization concept.so that all the list value can be display based on Locale which store in a list. please suggest!

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• When should I use static methods in a class and what are the benefits?

  - by NAVEED

  I have concept of static variables but what are the benefits of static methods in a class. I have worked on some projects but I did not make a method static. Whenever I need to call a method of a class, I create an object of that class and call the desired method. Static variable in a method holds it's value even when method is executed but accessible only in its containing method but what is the best definition of static method? Is calling the static method without creating object of that class is the only benefit of static method? What is the accessible range for static method? What is the syntax to create and calling static method in php? Thanks

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• Magento layout override!

  - by Farid

  Hi, I'm kind of new to the Magento, so forgive me for my stupid question! As I understand the whole concept of Magento is base on overriding the basic components that's are available with in the Magento. So based on my understanding I've decided to update the layout of onepage checkout in Magento. I've created my own layout and in the config file set that my layout updates the checkout module layout. But the problem is it's actually does not update the base layout, it replaces it self with base layout! Should it be act like this or am I wrong?!

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• Painting to Form then to Printer

  - by jp2code

  I often find myself needing to create custom reports that do NOT work with Crystal Reports or Report Viewer. Often, I hack a DataTable together and dumping that into a DataGridView control. It is never pretty, and printing is difficult. What I need is a class that I can call using the OnPaint event, but I've never sat down and written all of the Pen and Brush commands until now. Painting to the screen and painting to a printer both use the Graphics object, so I want to build a class that I'd pass in the Graphics object, my window bounds (a Rectangle), and some data (in the form of an instance of my class) that I'd use to paint a form or a sheet of paper. That sounds like a great concept! Surely, someone has done something like this before. Does anyone know of a book, a website tutorial, or video that goes into this? If someone wants to write all that out for me here, more power to you - but I'd think that would be too much work.

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• How do I restrict the Open/Save dialog in Windows to one folder?

  - by MindModel

  I spend a significant amount of time helping non-techies use their PC's. I realized most of that time is spent trying to explain to them how the Windows folder hierarchy works, where the "open file" dialog is pointing now, and how to find that Word document they saved. All this time, they're telling me they "just want to print the file". They refuse to learn how to read the PC screen, try to memorize a fixed set of steps, and end up calling me back to tell me their files disappeared again. I realize it's not productive to try to restrict where PC apps (e.g. Quicken) store files. But if there was a Windows utility I could turn on or off that would restrict the Open/Save dialogs in Windows apps, my noob user friends and I would save an enormous amount of time. The goal would be to have all files whose locations are chosen by the Save dialog saved to one folder, and have the Open dialog always point to that folder, until the utility is turned off. Does such a Windows utility exist?

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• How to add a field from a 2nd form?

  - by PowerUser

  Hi all. I'm modifying an existing Lotus view to include a field from another form. I first appended a new column and set it to the desired field. However, after I refreshed, the new column was blank even though I know it has data. I then updated the View Selection formula from: SELECT Form = "A" & StatusIndex < "06" to: SELECT (Form = "A"| Form = "B") & StatusIndex < "06" Still no luck. The view is refreshing successfully, but the new field is still blank. What else is there to add this new column to this view? This is my first time experimenting with Lotus, so if I seem to be missing some major concept, I probably am.

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• Move the uploads folder in Wordpress

  - by Victor Hurdugaci

  Currently, my Wordpress' upload folder is located in \wp-content\uploads. Initially there was no structure so all files were put there. After a while it was changed to upload the files in \wp-content\uploads\YEAR\MONTH. Now that folder contains a mix of files (those starting with + are folders) like: +wp-content | +2010 | | +02 | | | File-1 | | | File-2 | | | .. | | | File-n | | +01 | | | File-1 | | | File-2 | | | .. | | | File-n | +2009 | | +12 | | | File-1 | | | File-2 | | | .. | | | File-n | | +11 | | | File-1 | | | File-2 | | | .. | | | File-n | +.. | | | .. | Unstructured-file-1 | Unstructured-file-2 | ... | Unstructured-file-n Based on the dates of the unstructured files, I would like to move them in a structured hierarchy (based on date, move it to a folder \wp-content\uploads\YEAR\MONTH). Now, my questions are: Where do I write and execute a script to the movement (I don't have full access to the server, just to a cPanel and to the Wordpress Admin page)? What must be updated so that the links in posts, that reference the unstructured files, point to the new location of those files? Not fully related to the previous description: is it alright to move the whole uploads folder to another location, like \uploads? PS: Moving the files/updating the database manually is not an option :)

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• Where should I put code that is supposed to fire AFTER the view has loaded?

  - by Timbo

  I’m writing an objective-c program that does some calculations based on time and will eventually updates UILabels each second. To explain the concept here’s some simplified code, which I’ve placed into the viewDidLoad of the class that handles the view. (void)viewDidLoad { [super viewDidLoad]; // how do i make this stuff happen AFTER the view has loaded?? int a = 1; while (a < 10) { NSLog(@"doing something"); a = a + 1; sleep(1); } } My problem is that the code halts the loading of the view until the loop is all complete (in this case 10 seconds). Where should I put code that I want to fire AFTER the view has finished loading? newbie question I know =/

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• Minimizing SQL queries using join with one-to-many relationship

  - by Brian

  So let me preface this by saying that I'm not an SQL wizard by any means. What I want to do is simple as a concept, but has presented me with a small challenge when trying to minimize the amount of database queries I'm performing. Let's say I have a table of departments. Within each department is a list of employees. What is the most efficient way of listing all the departments and which employees are in each department. So for example if I have a department table with: id name 1 sales 2 marketing And a people table with: id department_id name 1 1 Tom 2 1 Bill 3 2 Jessica 4 1 Rachel 5 2 John What is the best way list all departments and all employees for each department like so: Sales Tom Bill Rachel Marketing Jessica John Pretend both tables are actually massive. (I want to avoid getting a list of departments, and then looping through the result and doing an individual query for each department). Think similarly of selecting the statuses/comments in a Facebook-like system, when statuses and comments are stored in separate tables.

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• How is Java Platform independent when it needs JVM to run ?

  - by happysoul

  Just started learning Java and I am confused about this whole independent platform thingy. Doesn't independent means that Java code should be able to run on any machine and would need no special software to be installed (JVM in this case has to be present in the machine)? Like, for example, we need to have Turbo C Compiler in order to compile C/C++ source code and then execute it.. The machine has to have the C compiler. guess I am confused..Somebody please explain in simple language or may be direct me to a tutorial that explain things in simple language ? that would be great I am just not getting the concept.

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• Structure accessible by attribute name or index options

  - by Bruno DeGoia

  I am very new to Python, and trying to figure out how to create an object that has values that are accessible either by attribute name, or by index. For example, the way os.stat() returns a stat_result or pwd.getpwnam() returns a struct_passwd. In trying to figure it out, I've only come across C implementations of the above types. Nothing specifically in Python. What is the Python native way to create this kind of object? I apologize if this has been widely covered already. In searching for an answer, I must be missing some fundamental concept that is excluding me from finding an answer.

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• Change color of a table cell using javascript using dropdown menu

  - by Mike Burzycki

  I'd like to use some javascript code to change the background color of a single cell within a table. I have some code below which allows me to change the page background color. This is similar in concept to what I would like to do, but I would really like to be able to change just one cell...not the whole page. I have thought about making the rest of the cell borders and background colors white, leaving the cell I want to manipulate transparent, but I think this probably a brute force method that will cause me trouble down the road. Does anyone have any advice to do this with javascript? The page background color changing code is here: <form name="bgcolorForm">Try it now: <select onChange="if(this.selectedIndex!=0) document.bgColor=this.options[this.selectedIndex].value"> <option value="choose">set background color <option value="FFFFCC">light yellow <option value="CCFFFF">light blue <option value="CCFFCC">light green <option value="CCCCCC">gray <option value="FFFFFF">white </select></form> Thanks for the help, Mike

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• How to reduce java concurrent mode failure and excessive gc

  - by jimx

  In Java, the concurrent mode failure means that the concurrent collector failed to free up enough memory space form tenured and permanent gen and has to give up and let the full stop-the-world gc kicks in. The end result could be very expensive. I understand this concept but never had a good comprehensive understanding of A) what could cause a concurrent mode failure and B) what's the solution?. This sort of unclearness leads me to write/debug code without much of hints in mind and often has to shop around those performance flags from Foo to Bar without particular reasons, just have to try. I'd like to learn from developers here how your experience is. If you had previous encountered such performance issue, what was the cause and how you addressed it? If you have coding recommendations, please don't be too general. Thanks!

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• Accurev SCM

  - by FlySwat

  Does anyone use Accurev for Source Control Management? We are switching (eventually) from StarTeam to Accurev. My initial impression is that the GUI tool is severely lacking, however the underlying engine, and the branches as streams concept is incredible. The biggest difficulty we are facing is assessing our own DIY tools that interfaced with starteam, and either replacing them with DIY new tools, or finding and purchasing appropriate replacements. Additionally, is anyone using the AccuWork component for Issue management? Starteam had a very nice change request system, and AccuWork does not come close to matching it. We are evaluating either using Accuwork, or buying a 3rd party package such as JIRA. Opinions?

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• PHP Moving mySQL Tree Node

  - by TK

  I am having trouble trying to move sub nodes or parent nodes up or down... not that good at math. CREATE TABLE IF NOT EXISTS `pages` ( page-id mediumint(8) unsigned NOT NULL AUTO_INCREMENT, page-left mediumint(8) unsigned NOT NULL, page-right smallint(8) unsigned NOT NULL, page-title text NOT NULL, page-content text NOT NULL, page-time int(11) unsigned NOT NULL, page-slug text NOT NULL, page-template text NOT NULL, page-parent mediumint(8) unsigned NOT NULL, page-type text NOT NULL, PRIMARY KEY (page-id) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 ; INSERT INTO pages (page-id, page-left, page-right, page-title, page-content, page-time, page-slug, page-template, page-parent, page-type) VALUES (17, 1, 6, '1', '', 0, 'PARENT', '', 0, ''), (18, 2, 5, '2', '', 0, 'SUB', '', 17, ''), (19, 3, 4, '3', '', 0, 'SUB-SUB', '', 18, ''), (20, 7, 8, '5', '', 0, 'TEST', '', 0, ''); As example how would I move TEST up above PARENT and say move SUB down below SUB-SUB by playing with the page-left/page-right IDs? Code is not required just help with the SQL concept or math for it, would help me understand how to move it better...

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• Asp .Net MVC Viewmodel should be class or struct?

  - by Jonas Everest

  Hey guys, I have just been thinking about the concept of view model object we create in asp.net MVC. Our purpose is to instantiate it and pass it from controller to view and view read it and display the data. Those view model are usually instantiated through constructor. We won't need to initialize the members, we may not need to redefine/override parameterless constructor and we don't need inheritance feature there. So, why don't we use struct type for our view model instead of class. It will enhance the performance.

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• Decorator for determining HTTP response from a view

  - by polera

  I want to create a decorator that will allow me to return a raw or "string" representation of a view if a GET parameter "raw" equals "1". The concept works, but I'm stuck on how to pass context to my renderer. Here's what I have so far: from django.shortcuts import render_to_response from django.http import HttpResponse from django.template.loader import render_to_string def raw_response(template): def wrap(view): def response(request,*args,**kwargs): if request.method == "GET": try: if request.GET['raw'] == "1": render = HttpResponse(render_to_string(template,{}),content_type="text/plain") return render except Exception: render = render_to_response(template,{}) return render return response return wrap Currently, the {} is there just as a place holder. Ultimately, I'd like to be able to pass a dict like this: @raw_response('my_template_name.html') def view_name(request): render({"x":42}) Any assistance is appreciated.

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