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• How do web servers enforce the same-origin policy?

  - by BBnyc

  I'm diving deeper into developing RESTful APIs and have so far worked with a few different frameworks to achieve this. Of course I've run into the same-origin policy, and now I'm wondering how web servers (rather than web browsers) enforce it. From what I understand, some enforcing seems to happen on the browser's end (e.g., honoring a Access-Control-Allow-Origin header received from a server). But what about the server? For example, let's say a web server is hosting a Javascript web app that accesses an API, also hosted on that server. I assume that server would enforce the same-origin policy --- so that only the javascript that is hosted on that server would be allowed to access the API. This would prevent someone else from writing a javascript client for that API and hosting it on another site, right? So how would a web server be able to stop a malicious client that would try to make AJAX requests to its api endpoints while claiming to be running javascript that originated from that same web server? What's the way most popular servers (Apache, nginx) protect against this kind of attack? Or is my understanding of this somehow off the mark? Or is the cross-origin policy only enforced on the client end?

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• Would this data requirement suit a Document -Oriented database?

  - by codecowboy

  I have a requirement to allow users to fill in journal/diary entries per day. I want to provide a handful of known journal templates with x columns to fill in. An example might be a thought diary; a user has to record a thought in one column, describe the situation, rate how they felt etc. The other requirement is that a user should be able to create their own diary templates. They might have a need for a 10 column diary entry per day and might need to rate some aspect out of 50 instead of 10. In an RDBMS, I can see this getting quite complicated. I could have individual tables for my known templates as the fields will be fixed. But for custom diary templates I imagine I would would need a table storing custom_field_types (the diary columns), a table storing entries referencing their field types (custom_entries) and then a third custom_diary table which would store rows matching custom_entries to diaries. Leaving performance / scaling aside, would it be any simpler or make more sense to use a document oriented database like MongoDB to store this data? This is for a web application which might later need an API for mobile devices.

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• Best CMS for review-type sites

  - by Pru

  Is there an ideal CMS for making a review site? By review site, I mean like a restaurant review site where you have each entry belonging to different major categories like Cuisine and City. Then users can browse and filter by each or by combination (Chinese Food in Los Angeles, with suggestions of other Chinese restaurants in LA, etc). Furthermore, I'd want it to support other fields like price, parking, kid-friendliness, etc. And to have users be able to filter by those criteria. I've been told that with a combination of custom taxonomies, plug-ins and many clever little queries, that Wordpress 3.x can handle this. But I'm having a heck of a time with it getting into the nitty gritty, and that's where I find the community support is lacking. The sort of stuff you'd think would work in WP, like making one parent category for Cuisine and one for City, don't really work once you get further in and start trying to pull it all together. Then you find these blog posts where people say, "This example shows that one could create a huge movie review site using custom taxonomies..." but when you go and try it you hit all sorts of challenges and oddities that point a big long finger at Wordpress being in fact a blogging platform. The best I came up with was one category for the cuisine and one tag for the city, then I created a couple of custom tag-like taxonomies for the other features. It's quite a mess to try to figure out how to assemble all of that into a natural, intuitive site. I expect a few versions down the road WP will be able to do these sorts of sites out of the box. So I thought I'd take a step back before I run back into the Wordpress fray and find out if maybe there is another platform better suited to this sort of relational content site. Directory scripts in some ways offer many of the features I'm looking for, but I need something more flexible and, hopefully, interactive (comments, reviews). I'm especially looking for feedback from people who've crafted sites like this. Thanks!

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• What is the/Is there a right way to tell management that our code sucks?

  - by Azkar

  Our code is bad. It might not have always been considered bad, but it is bad and is only going downhill. I started fresh out of college less than a year ago, and many of the things in our code puzzle me beyond belief. At first I figured that as the new guy I should keep my mouth shut until I learned a little more about our code base, but I've seen plenty to know that it's bad. Some of the highlights: We still use frames (try getting something out of a querystring, almost impossible) VBScript Source Safe We 'use' .NET - by that I mean we have .net wrappers that call COM DLLs making it almost impossible to debug easily Everything is basically one giant function Code is not maintainable. Each page has multiple files that are created every time a new page is made. The main page basically does Response.Write() a bunch of times to render the HTML (runat="server"? no way). After that there can be a lot of logic on the client side (VBScript), and finally the page submits to itself (often time storing many things in hidden fields) where it then posts to a processing page which can do things such as save the data to the database. The specifications we get are laughable. Often times they call for things like "auto-populate field X with either field Y or field Z" with no indication of when to choose field Y or field Z. I'm sure some of this is a result of not being employed at a software company, but I feel as if people writing software should at least care about the quality of their code. I can't even imagine that if I were to bring something up that anything would be done soon, as there is a large deadline looming, but we are continuing to write bad code and use bad practices. What can I do? How do I even bring these issues up? 75% of my team agree with me and have brought up these issues in the past, yet nothing gets changed.

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• Is there a better strategy than relying on the compiler to catch errors?

  - by koan

  I've been programming in C and C++ for some time, although I would say I'm far from being an expert. For some time, I've been using various strategies to develop my code such as unit tests, test driven design, code reviews and so on. When I wrote my first programs in BASIC, I typed in long blocks before finding they would not run and they were a nightmare to debug. So I learned to write a small bit and then test it. These days, I often find myself repeatedly writing a small bit of code then using the compiler to find all the mistakes. That's OK if it picks up a typo but when you start adjusting the parameters types etc just to make it compile you can screw up the design. It also seems that the compiler is creeping into the design process when it should only be used for checking syntax. There's a danger here of over reliance on the compiler to make my programs better. Are there better strategies than this? I vaguely remember some time ago an article on a company developing a type of C compiler where an extra header file also specified the prototypes. The idea was that inconsistencies in the API definition would be easier to catch if you had to define it twice in different ways.

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• Is there a better way to organize my module tests that avoids an explosion of new source files?

  - by luser droog

  I've got a neat (so I thought) way of having each of my modules produce a unit-test executable if compiled with the -DTESTMODULE flag. This flag guards a main() function that can access all static data and functions in the module, without #including a C file. From the README: -- Modules -- The various modules were written and tested separately before being coupled together to achieve the necessary basic functionality. Each module retains its unit-test, its main() function, guarded by #ifdef TESTMODULE. `make test` will compile and execute all the unit tests, producing copious output, but importantly exitting with an appropriate success or failure code, so the `make test` command will fail if any of the tests fail. Module TOC __________ test obj src header structures CONSTANTS ---- --- --- --- -------------------- m m.o m.c m.h mfile mtab TABSZ s s.o s.c s.h stack STACKSEGSZ v v.o v.c v.h saverec_ f.o f.c f.h file ob ob.o ob.c ob.h object ar ar.o ar.c ar.h array st st.o st.c st.h string di di.o di.c di.h dichead dictionary nm nm.o nm.c nm.h name gc gc.o gc.c gc.h garbage collector itp itp.c itp.h context osunix.o osunix.c osunix.h unix-dependent functions It's compile by a tricky bit of makefile, m:m.c ob.h ob.o err.o $(CORE) itp.o $(OP) cc $(CFLAGS) -DTESTMODULE $(LDLIBS) -o $@ $< err.o ob.o s.o ar.o st.o v.o di.o gc.o nm.o itp.o $(OP) f.o where the module is compiled with its own C file plus every other object file except itself. But it's creating difficulties for the kindly programmer who offered to write the Autotools files for me. So the obvious way to make it "less weird" would be to bust-out all the main functions into separate source files. But, but ... Do I gotta?

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• Somehow Google considers a properly 301'd URL as 200 and is still indexing the new content in old page?

  - by user2178914

  We redirected all the old URL's to new ones properly using htaccess. The problem is Google, somehow is still finding content in the old page(which it shouldn't) and stores it in the cache rather than the new URL. For eg: Old Page- http://www.natures-energies.com/iching.htm New Page- http://www.natures-energies.com/index.php?option=com_content&view=article&id=760 If you type the old URL into the browser it redirects If you fetch the old URL as Googlebot in the webmaster tools the header says 301/permanently redirected. If I try to crawl as any other bot it still says 301 redirected. Even if you click the old link in Google it redirects to the new URL. Only in its cache it shows the old URL and moreover it shows the new content in it! I am stumped on how Google manages to grab the new content and puts in the old URL instead of the new one! One more interesting thing is that if I try a cache for the new page it shows the cache of the new content with old URL! Any help would be appreciated. I am at end of my wits. I think i have tried almost everything. Is there anything that I'm missing to see? You can use this search to find the old url's. Maybe you'll some patterns that i missed. site:www.natures-energies.com inurl:htm -inurl:https|index

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• Value my C++ knowledge

  - by PirateOwh

  I have only followed antiRTFM tutorials and read 2 books So, I'll list the things I know better : basic input output and all the variables : integers ( signed unsigned ), float, double, char arrays if, for, while, switch functions, and passing variables to functions and return type thing classes and the concept of oop with separating declaration and definition in the header and in the source pointers so this and some more i think is all i know of C++.. But, i need some exercises to test my knowledge because i want to move on to the library SDL, so I don't know if i should feel ready or not to move on to something totally different.. I feel I should know the basics for good at least. So the question is : How can i value my c++ knowledge? Is there any online tests? Is there any GDD ( Game Design Document ) for free to use and see if i can manage to do it so "i'd pass" ? ( I'm saying GDD since ill move on to SDL and try to make my own game ) When should I move to SDL? What are ALL the things I should "master" ( master is a big word to say.. but so you understand what i mean ) before moving on ? Please I'm really in need of expert advice. I think my question is detailed so i hope you understand what i mean and can give me a good reply. Thanks for the help!

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• Context Sensitive JTable (Part 2)

  - by Geertjan

  Now, having completed part 1, let's add a popup menu to the JTable. However, the menu item in the popup menu should invoke the same Action as invoked from the toolbar button created yesterday. Add this to the constructor created yesterday: Collection<? extends Action> stockActions =         Lookups.forPath("Actions/Stock").lookupAll(Action.class); for (Action action : stockActions) {     popupMenu.add(new JMenuItem(action)); } MouseListener popupListener = new PopupListener(); // Add the listener to the JTable: table.addMouseListener(popupListener); // Add the listener specifically to the header: table.getTableHeader().addMouseListener(popupListener); And here's the standard popup enablement code: private JPopupMenu popupMenu = new JPopupMenu(); class PopupListener extends MouseAdapter { @Override public void mousePressed(MouseEvent e) { showPopup(e); } @Override public void mouseReleased(MouseEvent e) { showPopup(e); } private void showPopup(MouseEvent e) { if (e.isPopupTrigger()) { popupMenu.show(e.getComponent(), e.getX(), e.getY()); } } }

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• Mobile web app, styling in percentages; I can't get height to work [migrated]

  - by Mick79

  I am building a mobile app for a band and obviously want it to display well in all the plethora of handsets out there today. I built it at first for my own device and it looks and works great, so now I am reworking it in percentages so that it works in all devices. I have a slider (jquerytools) going on and if i set width to 100% then it is perfectly wide in my iphone and my ipad... success, however I am not having any luck with height. It seems to only accept a height in px. If i set a height in percent it just doesn't display. any ideas? #header{ width:100%; height:198px; position:relative; z-index: 20; box-shadow: 0 0 10px white; } .scrollable { /* required settings */ position:relative; overflow:hidden; width: 100%; height:100%; box-shadow: 0 0 20px purple; z-index: 20; } .scrollable .items { /* this cannot be too large */ width:500%; height:100%; position:absolute; clear:both; box-shadow: 0 0 30px green; } .items div { float:left; width:20%; height:100%; } /* single scrollable item */ .scrollable img { float:left; width:100%; height:100%; /* height:198px; */ } /* active item */ .scrollable .active { border:2px solid #000; position:relative; cursor:default; } `

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• 2012 Oracle Fusion Innovation Awards - Part 1

  - by Michelle Kimihira

  Author: Moazzam Chaudry This year we recognized 29 customers for their innovative use of Oracle Fusion Middleware and their significant results. The winners were selected across 8 product categories from 11 countries spanning diverse industries around the world. This is a two-part blog series. The 2012 Fusion Middleware Innovation Awards winners were announced at OOW on October 2nd by Hasan Rizvi (EVP Fusion Middleware and Java development), Amit Zavery (VP Product Management) and Ed Zou (VP Product Management) to an audience that included press, analysts and customers. Winners were selected based on the uniqueness of their business case, business benefits, level of impact relative to the size of the organization, complexity and magnitude of implementation, and the originality of architecture. The program is in its 6th year and this year, we are excited to have received over 250 submissions from customers around the globe. The winners were selected by a panel of internal and external judges; it was a difficult time selecting this year's most innovative projects. Judges scored each entry across multiple scoring categories. This year, winning use cases for Fusion Middleware include: Improve customer experience by monitoring real-time and simplifying user experience of tens of millions of customer Drive social enagement through social media channels in fields, including healthcare, harness big data by analyzing and improving visibility across 60M+customers and hundreds of terabytes of data Enable mobile adoption by delivering mobile news experience to 50% of the Australian population, embrace cloud computing by delivering hospitality services to 3000+ hotels and monitoring services to hospitals, and optimize criticial processes such as, remarketing cars through tens of thousands of dealers On Monday's blog, we will talk about the winners in each category and what customers had to say in the customer panel. Congratulations to the 2012 Oracle Fusion Innovation Award winners:  

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• With Google DFP (Small Business) is it possible to disable AdSense in an Ad Slot on a per-request basis?

  - by Daniel Pehrson

  Setup: I run a network of websites that target different hobby niches and have a section dedicated to community classifieds. I serve advertising on these sites through Google DFP for Small Business with AdSense enabled on the slots. Problem: One of the next sites in my network will be targeting the firearms/shooting industry and as such the classifieds section will not comply with the prohibited content guidelines of AdSense regarding the sale (or coordination of sale) of weapons. I work very hard to comply with the guidelines of my partners even if I don't understand/agree with them and after talking with many people have decided that the best option is to disable AdSense serving on that section of that website, while leaving it on for the rest of the network. Solution: Right now my only idea for this is to duplicate all my site's ad slots and tack a "_sensitive" onto the end of each one (eg. header and header_sensitive) conditionally registering ad slots based on whether or not I am in the sensitive section of the sensitive site. My hope however is that there may be a way to accomplish this without duplicating all my ad slots possibly with some sort of options to the GA_googleFillSlot() call that allows me to say "load ads from this slot but do not serve AdSense no matter what."

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• How should I implement Transaction database EJB 3.0

  - by JamesBoyZ

  In the CustomerTransactions entity, I have the following field to record what the customer bought: @ManyToMany private List<Item> listOfItemsBought; When I think more about this field, there's a chance it may not work because merchants are allowed to change item's information (e.g. price, discount, etc...). Hence, this field will not be able to record what the customer actually bought when the transaction occurred. At the moment, I can only think of 2 ways to make it work. I will record the transaction details into a String field. I feel that this way would be messy if I need to extract some information about the transaction later on. Whenever the merchant changes an item's information, I will not update directly to that item's fields. Instead, I will create another new item with all the new information and keep the old item untouched. I feel that this way is better because I can easily extract information about the transaction later on. However, the bad side is that my Item table may contain a lot of rows. I'd be very grateful if someone could give me an advice on how I should tackle this problem. UPDATE: I'd like to add more information about the current design. public class Customer implements Serializable { @OneToMany private List<CustomerTransactions> listOfTransactions; } public class CustomerTransactions implements Serializable { @ManyToMany private List<Item> listOfItemsBought; } public class Merchant implements Serializable { @OneToMany private List<Item> listOfSellingItems; }

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• Can't install GTX 680 drivers on 12.04

  - by user68945

  I recently installed Ubuntu 12.04 on my desktop. I have three monitors, and after installing, ubuntu only detected one at 1080p. I downloaded the driver from the nvidia website, but when I stop lightdm and try to run the driver, it gives me an error message: ERROR: Unable to find the kernel source tree for the currently running kernel. Please make sure you have installed the kernel source files for your kernel and that they are properly configured; on Red Hat Linux systems, for example, be sure you have the 'kernel-source' or 'kernel-devel' RPM installed. If you know the correct kernel source files are installed, you may specify the kernel source path with the '--kernel-source-path' command line option. I tried instead to install the driver via the terminal, with the X ppa. The installation seemed to work, but when I rebooted, my display was at 640x480 resolution, with no other options for resolution. The NVIDIA X Server settings program is there now, but when I run it, it simply tells me that I don't seem to be using their driver, and that I should run nvidia-xconfig as root. Doing so doesn't help, I simply get the same issue again. I checked the file at /etc/X11/xorg.conf, and it's an NVIDIA file (has nvidia in the header). Does anyone know something else I can try? EDIT: Forgot to mention, I tried installing drivers via the "Additional Drivers" GUI utility, there were two options, one of them marked "(post-release updates)". I tried both of them, in both cases it tried to download and install for a while, then said that there was an error, and that a description could be found at /var/log/jockey.log. Both logs were over 700 lines

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• PHP hosting some info required [closed]

  - by mtk

  I have recently given a control of newly bought hosting space and the domain account. There is a technical team from the hosting site to help out with problems, but that is a long process, i.e. log a ticket, wait for a long time, and I don't get the correct answer in the first shot. I was wondering, if anyone has any helpful guide and how one must go with hosting a site. Any info that must be know w.r.t to cpanel? Any other useful stuff if any one has, or could point me to ? Just to give a few difficulties: The same php code working well on local machine, giving error on remote as "File not found". The file is present indeed as I have ftp'ed all the files correctly. session_start error are outputted to html page with warning "Header already sent". and many more technical things, that work well on local but not on actual hosting server. So, if anyone has any helpful stuff in this reference, as to what all changes are required or what a programmer must be aware from a hosting perspective, please let me know. Note I am hosting a PHP site with mysql db, on a shared environment.

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• How do I generate and post XML in c# [migrated]

  - by user2922687

  I am a new to c# and faced with a similar problem. I need to generate and post XML to a URL but the parameter in the XML fields should dynamic getting inputs from a frontend app. This layout of the XML <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ret="http://xxx.xxx.com"> <soapenv:Header/> <soapenv:Body> <ret:Vend> <DestAccount >?</DestAccount> <Amount>?</Amount> <Msg>?</Msg> <SequenceNo>?</SequenceNo> <DealerNo>?</DealerNo> <Password>?</Password> </ret:Vend> </soapenv:Body> </soapenv:Envelope> Can anyone assist on how I can generate this in c#?

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• Visually recognise active window

  - by mcaleaa

  Ubuntu 13.04 I work with two monitors, usually with lots of different windows open. I don't like to use the mouse, so swap between applications using alt-tab usually. The problem comes when I want to type something into an application. I need the active application to immediately obvious, usually so that I can tell which monitor to look at next. With default ubuntu (with appearance = ambiance), the only real visual indication of a window being active is that the header bar of the application is in a lighter font color. This is too subtle for me, so I find myself alt-tabbing and moving my mouse too much when switching applications, then clicking around with the mouse to give a particular window the focus. I want my switching to be more accurate, and for that I think I need better feedback on what window has the focus. This needs to be more obvious than it is now. I looked at the high contrast appearance, and it helps somewhat, but the inconsistency in the icon sets is far too distracting. I think what I need is a something like a bright border right around the window, or something like that, to make the active window really stand out. Or, maybe to have the non-active windows fade to the background a bit. I would appreciate tips on how others overcome this problem, to make the active window stand out visually from the other windows. Thank you!

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• How and what should I be (unit) testing for in this method?

  - by user460667

  I am relatively new to unit testing and have a query about what/how I should be testing a certain method. For the following (psudo-c#) method I have created (not a real-life example) what would you test for? Initially, my thoughts would be to test the output with variations on the dictionary of form fields, e.g. valid, invalid, missing values. However I also wonder how you would test to make sure the object values have been changed to the correct value and that the correct email message was attempted to be sent (obviously both services could/would be mocked). I hope what I am asking makes sense, I appreciate this is a subjective question and the answers may be 'it depends' ;) public bool ProcessInput(Dictionary<string, string> formFields, ObjService objService, EmailService emailService) { try { // Get my object id int objId; if(!int.TryParse(formField["objId"], out objId) { return false; } // Update my object - would you validate the save against a DB or a mocked inmemory db? var myObj = objService.Find(objId); myObj.Name = formField["objName"]; objService.Save(myObj); // Send an email - how would you test to make sure content, recipient, etc was correct? emailService.SendEmail(formField("email"), "Hello World"); return true; } catch(Exception ex) { return false; } }

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• MWE function error message saying "use of undeclared indentifier" [migrated]

  - by nimbus

  I'm unsure about how to make MWE with Objective C, so if you need anything else let me know. I am trying running through a tutorial on building an iPhone app and have gotten stuck defining a function. I keep getting an error message saying "use of undeclared indentifier". However I believe I have initiated the function. In the view controller I have: if (scrollAmount > 0) { moveViewUp = YES; [scrollTheView:YES]; } else{ moveViewUp = NO; } with the function under it - (void)scrollTheView:(BOOL)movedUp { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.3]; CGRect rect = self.view.frame; if (movedUp){ rect.origin.y -= scrollAmount; } else { rect.origin.y += scrollAmount; } self.view.frame = rect; [UIView commitAnimations]; } I have initiated the function in the header file (that I have imported). - (void)scrollTheView:(BOOL)movedUp;

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• Static vs. dynamic memory allocation - lots of constant objects, only small part of them used at runtime

  - by k29

  Here are two options: Option 1: enum QuizCategory { CATEGORY_1(new MyCollection<Question>() .add(Question.QUESTION_A) .add(Question.QUESTION_B) .add...), CATEGORY_2(new MyCollection<Question>() .add(Question.QUESTION_B) .add(Question.QUESTION_C) .add...), ... ; public MyCollection<Question> collection; private QuizCategory(MyCollection<Question> collection) { this.collection = collection; } public Question getRandom() { return collection.getRandomQuestion(); } } Option 2: enum QuizCategory2 { CATEGORY_1 { @Override protected MyCollection<Question> populateWithQuestions() { return new MyCollection<Question>() .add(Question.QUESTION_A) .add(Question.QUESTION_B) .add...; } }, CATEGORY_2 { @Override protected MyCollection<Question> populateWithQuestions() { return new MyCollection<Question>() .add(Question.QUESTION_B) .add(Question.QUESTION_C) .add...; } }; public Question getRandom() { MyCollection<Question> collection = populateWithQuestions(); return collection.getRandomQuestion(); } protected abstract MyCollection<Question> populateWithQuestions(); } There will be around 1000 categories, each containing 10 - 300 questions (100 on average). At runtime typically only 10 categories and 30 questions will be used. Each question is itself an enum constant (with its fields and methods). I'm trying to decide between those two options in the mobile application context. I haven't done any measurements since I have yet to write the questions and would like to gather more information before committing to one or another option. As far as I understand: (a) Option 1 will perform better since there will be no need to populate the collection and then garbage-collect the questions; (b) Option 1 will require extra memory: 1000 categories x 100 questions x 4 bytes for each reference = 400 Kb, which is not significant. So I'm leaning to Option 1, but just wondered if I'm correct in my assumptions and not missing something important? Perhaps someone has faced a similar dilemma? Or perhaps it doesn't actually matter that much?

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• Reliance on the compiler

  - by koan

  I've been programming in C and C++ for some time, although I would say I'm far from being expert. For some time I've been using various strategies to develop my code such as unit tests, test driven design, code reviews and so on. When I wrote my first programs in BASIC I typed in long listings before finding they would not run and they were a nightmare to debug. So I learnt to write a small bit and then test it. These days I often find myself repeatedly writing a small bit of code then using the compiler to find all the mistakes. That's OK if it picks up a typo but when you start adjusting the parameters types etc just to make it compile you can screw up the design. It also seems that the compiler is creeping into the design process when it should only be used for checking syntax. There's a danger here of over reliance on the compiler to make my programs better. Are there better strategies than this ? I vaguely remember some time ago an article on a company developing a type of C compiler where an extra header file also specified the prototypes. The idea was that inconsistencies in the API definition would be easier to catch if you had to define it twice in different ways.

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• Delete Ubuntu and Grub from PC (and BIOS unaccessible)

  - by Temitope

  I've really done a mess while upgrading 12.04 to 12.10, or my PC did, or ubuntu did, I can't really tell. The situation now is I have a dual booting machine, Windows 7 and ubuntu 12.10 -When turning on the PC, I can't access boot options, I've tried every thing, esc, f1 f8, f10 (I have a Hp pavilion) but all I can see is a short-lasting screen with three lines reading something like "error:files not found" or "link not found". So the PC turns to the Grub loader screen. This is already a BIG problem. It means I can't change boot order, and I'm diperate, since it doensn't seem that repairing my operating systems will bring my BIOS back. -If I chose Ubuntu in grup, it loades but then frezes on the desktop, I may be having problem with unity3d, or compiz, which was reported to be crashing the first times I started ubuntu. Now, after turning off and on the pc several times, no crash is reported again. Ubuntu just load my background image and nothing else. Not the side menu, not the header, nothing. Althogh the system seems "functioning", when I press the power button on the PC, for example, the normal shutdown dialog window appears. -If I chose Windows, Grubs tells me that something is not found, and to press any key to continue; I do it and then Windows loads perfectly. What I now want to do is 1- use EasyBSD to change boot order and boot Windows partition first 2- delete the ubuntu partitions from within windows disk manager What I except happening is that My PC turns to, or near to factory booting settings: I press the power button and Windows loads without asking me nothing I have acess to all my hardisk from withing windows Is that what will really happen? Are there danger I'm not seeing? What I don't except happening is The BIOS access key return functioning How could I eventually solve this? I would like to reinstall Ubuntu, 32 bit version this time.

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• From concept to reality. Teach me how to CSS style my divs [closed]

  - by unixman83

  I have the html layout of my simple web page below (commented). What css do I add to <div> classes to get the rendering that I want? I want to learn. Give me the CSS file for it please. <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>My Website</title> </head> <body> <div class="outer"> <!--Outer content box 750px wide--> <div class="header"> The heading of the page. </div> <div class="main"> <div class="leftbar"> A sidebar on the left with categories. </div> <div class="content"> The main content of the page. </div> </div> </div> </body> </html>

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• Working in Germany (Munich) [closed]

  - by adri

  My husband and I are relocating to Munich in August (He's German). I have been looking for jobs online since I heard that software developers are in great demand. And by the looks of it, seems to be correct. There are lots of offers on line but I have a problem, my german is not spectacular. I would rate it as basic. Good to be a tourist but not good to write anything formal, not even my cover letter. So I was wondering how hard is really going to be to find a job for me with virtually no german (I'm studying, but good german is not going to happen over night). Also, would it be possible to secure a job before arriving to Germany? I have nearly 10 years of working experience developing software, mostly in .net (c#, vb, winForms, asp.net) but I also know java. 3 years experience as a team leader for groups of up to 8 people. In the last couple of years I've been working mostly on digitalization of documents (such as birth certificates and the like) but I'm more than willing to try other fields Also I speak English, Spanish, Italian, a bit of portuguese and of course a bit of german.

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• XamDataGrid Binding problem

  - by Mohammad Mostafizur Rahman

  I want to bind a cell of a XamDataGrid using ComboBox control through a collection's(CurrentEntity.INVTransactions) property(BatchList) but it does not work. I'm using mvvm pattern.In my code "BatchId" and "BatchList" are the properties of CurrentEntity.INVTransactions collection. would you please tell me why the comboBox of the xamDataGrid doesn't display the BatchList? sample code: <UserControl x:Class="PDCL.ERP.Modules.Inventory.Views.RequisitionList.RequisitionInfoUserControl" ...> <GroupBox Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" Header="Details" VerticalAlignment="Top" Margin="5,0,5,0"> <Grid> <igDP:XamDataGrid Margin="2" DataSource="{Binding CurrentEntity.INVTransactions}" x:Name="requisitionDeailsGrid" InitializeRecord="requisitionDeailsGrid_InitializeRecord"> <igDP:XamDataGrid.FieldLayoutSettings> <igDP:FieldLayoutSettings HighlightAlternateRecords="True" AutoGenerateFields="False" AllowAddNew="True" AddNewRecordLocation="OnBottom" AutoFitMode="Always" SupportDataErrorInfo="RecordsAndCells" DataErrorDisplayMode="ErrorIcon" /> </igDP:XamDataGrid.FieldLayoutSettings> <igDP:XamDataGrid.FieldLayouts> <igDP:FieldLayout> <igDP:FieldLayout.Fields> <igDP:Field Name="Remarks" Label="Remarks" Width="Auto"> <igDP:Field.Settings> <igDP:FieldSettings AllowEdit="True" AllowResize="True"/> </igDP:Field.Settings> </igDP:Field> <igDP:Field Name="BatchId" Label="Batch" Width="Auto"> <igDP:Field.Settings> <igDP:FieldSettings EditorType="{x:Type igEditors:XamComboEditor}"> <igDP:FieldSettings.EditorStyle> <Style TargetType="{x:Type igEditors:XamComboEditor}"> <Setter Property="ItemsSource" Value="{Binding INVTransactions.BatchList, RelativeSource = {RelativeSource FindAncestor, AncestorType={x:Type igDP:XamDataGrid}, AncestorLevel=1}}" /> <Setter Property="DisplayMemberPath" Value="BatchName" /> <Setter Property="ValuePath" Value="BatchId" /> </Style> </igDP:FieldSettings.EditorStyle> </igDP:FieldSettings> </igDP:Field.Settings> </igDP:Field> <igDP:Field Name="Qty" Label="Qty Supplied" Width="Auto"> <igDP:Field.Settings> <igDP:FieldSettings AllowEdit="True" AllowResize="True"/> </igDP:Field.Settings> </igDP:Field> </igDP:FieldLayout.Fields> </igDP:FieldLayout> </igDP:XamDataGrid.FieldLayouts> </igDP:XamDataGrid> </Grid> </GroupBox> </UserControl> The output window shows the error "BindingExpression path error: 'INVTransactions' property not found on 'object' ''XamDataGrid' (Name='requisitionDeailsGrid')'. BindingExpression:Path=INVTransactions.BatchList; DataItem='XamDataGrid' (Name='requisitionDeailsGrid'); target element is 'XamComboEditor' (Name=''); target property is 'ItemsSource' (type 'IEnumerable')"

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