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• How to encode(represent) an ornament?

  - by Daniyar

  I would like to find a numeric representation of kazakh national ornaments for generating new ones. The ornaments essentially consist of combinations of relatively basic ornaments. Usually the ornaments are symmetrical. Here are few examples of basic elements: (The images are a bit distorted) And this is an example of a more complex ornament: How could I encode an ornament's representation in as few numbers as possible? So that I could write a program that would generate an ornament, given some sequence of numbers Any ideas are appreciated. As I write this, I have thought that generating images of snowlfakes may be somewhat relevant, although it's possibly just a fractal.

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• EXECUTE IMMEDIATE

  - by user578332

  Hi. I want to create table like this: create table ttt ( col1 varchar2(2), col2 varchar2(2), col3 varchar2(2), col4 varchar2(2), col5 varchar2(2) ); with this procedure, but it does not work. May you help me? declare str varchar2(200); i int; begin for i in 1 .. 5 loop begin str:=’str’||i||”; end; end loop; execute immediate ‘create table t1 (“str” varchar2(2) )’; end; / Thanks in advance.

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• How to return data structure from stored procedure

  - by rodnower

  Hello, I have C# application that retrieve data from AQ with some oracle stored procedure, that stored in package. The scheme is: C# code - Stored Procedure in Package - AQ Inside of this stored procedure I use DBMS_AQ for dequeue the data to some object of some type. Now I have this object. My question is how I return it? Previously I: Created some virtual table, Make EXTEND() to table Inserted the data from object to table, Perform select on the table, And return sys_refcursor. In side of C# I filled DataSet with help of OracleDataAdapter.Fill() After that I upgraded it to return data fields during OUT parameters. But now I have much fields, and I may not to create so much OUT parameters... What the best way to do this? Thank you for ahead.

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• VC++ to C# migration guidelines/approaches/Issues

  - by KSH

  Hi all, We are planning to move few of our VC++ Legacy products to C# with .NET platform.. I am in the process of collecting the relavent information before making the proposal to give optimistic and effective approach to clients. Am looking for the following details. Any general guidelines in migration of VC++ to C#.NET What are the issues that a team can face when we take up this activity Are there any existing approaches available ? I believe many might have tried but may not have detailed information, but consolidating this under this would help not only me but anyone who look for these information. Any good / valid resources available on internet? Any suggestions from Microsoft team if any Microsoft people in this group? Architecture, components design approaches, etc. Please help me in getting these information, each penny would help me to gain good understanding.. Thanks in advance to those who will share their wisdom thorough this query.

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• SO style alert header

  - by Zachary

  I apologize if this question is vague, but I want to build a drop down header, very similar to the one on StackOverflow that alerts you whenever you have earned a new badge, or on Twitter whenever a new tweet comes in. I've been looking around on the internet for a tutorial, but I'm having trouble googling exactly what I'm looking for. I assume there is a way to do this in jQuery, or there may be a jQuery plugin for it, but I haven't had any luck finding one. The idea would probably be to make an AJAX request every so many seconds, and if a new alert-worthy item is found, display it for the user. If someone could point me to a resource to learn how to build one, and/or an existing plugin, that would be great.

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• java.util.Observable, will clients complete executing their update() before continuing

  - by jax

  When I call: setChanged(); notifyObservers() on a java.until.Observable class, will all the listening Observer objects complete execution of their udpate() methods - assuming we are running in the same Thread - before the java.until.Observable class continues running? This is important because I will be sending a few messages through the notifyObservers(Object o) method in quick concession, it is important that each Observer class has finished its method before the new one though. I understand that the order of execution for each Observer class may vary when we call notifyObservers() - it is just important that the order of method execution for each individual instance is in order.

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• How do you know how much space an NSString (using default font) will occupy on a UITableView section

  - by paul_sns

  Basically I want to copy the behavior in iPhone's Calendar where the day of week (Mon, Tue, Wed) is on the left side of the table's section header (left justified) while the formatted date (Apr 1, 2010, May 1, 2010) based on locale is on the right side of the table's section header (right justified). I was thinking of inserting a variable amount of space in between the day of week and formatted date but I first need to know the actual space consumed by the text on both sides to figure out how much space to add. Hope to hear your thoughts on this. Thanks.

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• can i have a date in the url of a route in asp.net ?

  - by oo

  This code below doesn't seem to work but i can't figure out why. If i have a user entered textbox that is a datepicker and the results are displayed as: 21-May-2010 , can i take this value and stick it into a URL to send over to a controller action so instead of an id (which is an int), i want a id which is a date value View / Javascript Code: $.get('/Tracker/DailyBlog/' + this.val(), function(data) { $('#dailyblog').html(data); }); ControllAction Code: public ActionResult DailyBlog(DateTime blogDate) { //go do something } any idea why this is not working ?

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• lookup datasource in context every time, Is it right?

  - by Srikanth Dyapa

  In my application i configured more than one datasource (for diff databases). Whenever user sends a request depends upon user category i need to look up for the respective datasource in the context and get a connection from that datasource to execute queries which are assigned to that user. Is it right way to achieve my requirement? I am using tomcat 6, struts 1.3. The databases may be oracle or mysql or both. Give me an optimized solution. Thanks in advance.

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• Knowledge mining using Hadoop.

  - by Anurag

  Hello there, I want to do a project Hadoop and map reduce and present it as my graduation project. To this, I've given some thought,searched over the internet and came up with the idea of implementing some basic knowledge mining algorithms say on a social websites like Facebook or may stckoverflow, Quora etc and draw some statistical graphs, comparisons frequency distributions and other sort of important values.For searching purpose would it be wise to use Apache Solr ? I want know If such thing is feasible using the above mentioned tools, if so how should I build up on this little idea? Where can I learn about knowledge mining algorithms which are easy to implement using java and map reduce techniques? In case this is a wrong idea please suggest what else can otherwise be done on using Hadoop and other related sub-projects? Thank you

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• Querying Postgresql with a very large result set

  - by sanity

  In an application I need to query a Postgres DB where I expect tens or even hundreds of millions of rows in the result set. I might do this query once a day, or even more frequently. The query itself is relatively simple, although may involve a few JOINs. My question is: How smart is Postgres with respect to avoiding having to seek around the disk for each row of the result set? Given the time required for a hard disk seek, this could be extremely expensive. If this isn't an issue, how does Postgres avoid it? How does it know how to lay out data on the disk such that it can be streamed out in an efficient manner in response to this query?

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• Assign parameters to function according to parameter names

  - by Korcholis

  I have an assoc array with a list of what are parameters to me. Here's an example: array( 'param1' => 'value1', 'param4' => 'value4', 'param3' => 'value3', 'param2' => 'value2', ); Note that they may come unsorted. Now, is there a way I can make a call (static or from an instance, using call_user_func_array or similar) and correctly pass each value to each parameter? Just to be sure, an example function I'd like to call using that parameter array is one such this: exampleFunction($param1, $param2, $param3, $param4) { ... } PS: Reflection is great, but I'm concerned about execution times (which, at least, in Java tends to increase a lot when using Reflection). If you know any other way to do so, it would be awesome.

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• Simple nested setTimeout() only runs once (JavaScript)

  - by danielfaraday

  For some reason my galleryScroll() function only runs once, even though the function calls itself using setTimeout(). I'm thinking the issue may be related to scope, but I'm not sure: http://jsfiddle.net/CYEBC/2/ $(document).ready(function() { var x = $('#box').offset().left; var y = $('#box').offset().top; galleryScroll(); function galleryScroll() { x = x + 1; y = y + 1; $('#box').offset({ left: x, top: y }); setTimeout('galleryScroll()', 100); } });? The HTML: <html> <head> </head> <body> <div id="box"> </div> </body> </html>

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• In java web application, where should i store users photos?

  - by stunaz

  Hello, this questions may be stupid, but i dont really see how to resolve it : lest say that in my application, i have a user. This user edit his profile, and need to edit his avatar. Where should i store the avatar file? first of all i was saving all the files in src\main\webapp\resources , but each time i redeploy that folder empties. so i dedide to place in an other location : c:\wwwdir\resources, but i can't link local resources from remote pages, so i was not able to display any avatar . any idea? advise? link?

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• this pointer to base class constructor?

  - by Rolle

  I want to implement a derived class that should also implement an interface, that have a function that the base class can call. The following gives a warning as it is not safe to pass a this pointer to the base class constructor: struct IInterface { void FuncToCall() = 0; }; struct Base { Base(IInterface* inter) { m_inter = inter; } void SomeFunc() { inter->FuncToCall(); } IInterface* m_inter; }; struct Derived : Base, IInterface { Derived() : Base(this) {} FuncToCall() {} }; What is the best way around this? I need to supply the interface as an argument to the base constructor, as it is not always the dervied class that is the interface; sometimes it may be a totally different class. I could add a function to the base class, SetInterface(IInterface* inter), but I would like to avoid that.

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• Does @import in CSS result in additional http requests?

  - by Mo Boho

  I have an ecommerce site that has about 8 CSS files linked from the header - resulting in 8 separate http requests to the server. I consolidated all the CSS files into 1 big one, resulting in a 67kb (!) file - to cut down the http requests to 1 for our css files. I'm finding this size a CSS file a little unmanageable in light of the fact I'm performing updates on the site constantly. My concern is my users may catch me in the middle of updating and see a NON-styled page when moving from page to page - b/c 67kb still takes a good 2-3 seconds before it is successfully placed on the remote server via FTP. My question is: does the use of @import within this large CSS file to break up the files into smaller more manageable sizes (within that CSS file) take us back to the original 8 http-requests when the pages is loaded? Or are @imports in CSS handle differently somehow?

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• How do I create a "jumping" circle in Java GUI?

  - by Roman

  I would like to have a red filled circle at some place in my window. After the click on the circle, the circle should jump from the original place to a new one (disappear from the old place and appear on the new one). What would be the best way to do it? I also would like to know how to draw a filled circle in Java. Are there any simple tools to do it? Or may be the easiest way is to use an image created by some other software?

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• How to test Language DLLs?

  - by EKI

  Our application offer the user to display different languages if they have the approppriate Language DLL (say German.DLL, French.DLL, even Chinese.DLL). We have functional test to verify that those DLLs enable the right options in a Combobox and that choosing them will actually translate strings in the UI. I would like to know options to test this translation dll's more in depth, maybe ensuring that all the characters in the selected langauge (and in the file) can be correctly displayed, or that the internal structure of the DLL is consistent, there are no strings exceeding the limits that are expected of them, etc... Any suggestions on what to test and how to test it? Does anyone know specific problems that may arise and we should check? Thanks in advance.

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• Drupal vs Some Other CMS

  - by Vecta

  I'm going to be moving my website to a CMS in the coming months I'd I need some help on choosing an appropriate CMS. Many of the websites I've seen tend to say "use Drupal, hands down". However, my website truly doesn't have a need for commenting or community features. Its pages will need to be modified occasionally, but not extensively. My website will also consist of many programs, each with their own sub-pages and menus. There are probably 25 people that will need access to the content on my website and will need the ability to update it. I do like the idea of being able to tag and categorize the content, and the modular aspect of Drupal but is it really right for my website? If not, which CMS may fit my needs better?

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• What are these folders for? Can I remove them? How?

  - by Water Cooler v2

  In a folder on the SVN server/repository that is designated for our project, there have appeared the following folders: branches/ conf/ db/ hooks/ locks/ tags/ trunk/ README.txt (file) format (file) We have all the code in the trunk folder. There were, as far as I can remember, only 3 or 4 folders earlier. Within the trunk folder, too, there are now these folders. OurCode/ conf/ db/ hooks/ locks/ README.txt (file) format (file) I understand many of these folders or files are not necessary, but I can't be too sure. My questions are: 1) What are each of these files and/or folders for? 2) Which are the ones that are not necessary? 3) How may I remove them from the server repository?

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• How could I insert a string into the response stream anywhere I want?

  - by DM

  There may be an easy way to do this but I can't see it... I created a simple Http Module that starts a timer on the PreRequestHandler and stops the timer on the PostRequestHandler to calculate the time it took the page to load. I then create some simple html and write my results to Response.Write. Since I'm doing this in the PostRequestHandler it's adding my results after the </html> tag. That's fine for testing but I need in a scenario where the page needs to validate. I can't seem to figure out how I could manipulate the Response object to insert my results before the </body> tag. Response.Write and Response.Output.Write don't have that flexibility and I couldn't see a way to work with the Response as a string. Am I missing something easy?

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• C# Add class instance with internal timer to a static List, is it safe?

  - by CodeMongo

  My program has a static list of type classA. ClassA implements a threading timer that executes a task. The list may contain as many instances of classA as desired. Is this technique causing threading issues where the class instances can block each other? It that is the case how can I solve the that problem. ex: static List<MyClassType> list=null; void static Main() { list = new List<MyClassType>(); var a = new MyClassType(); var b = new MyClassType(); list.Add(a); list.Add(b); Console.ReadKey(); } a and b will execute theire internal task based on the timer.Is it s bsd technique? Why?

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• Multiple Concurrent Changes Using SVN, GIT, and CVS

  - by KlaxSmashing

  At work, we are using SVN, CVS, and GIT because there any many projects that were started at various times. Anyway, a common sequence that occurs is as follows: Working on task A, making changes to project Has new task B, some bug or functionality needs to be done on project, independent of task A but may affect same set of files Check in task B Check in task A Unfortunately, what I do at this time is two maintain 2 working copies of each project. So I can always work on task B from a clean copy. As you can imagine, this is wasteful and also, does not scale well (task C, D, E, etc.) For each of these versioning systems, are there commands that can help me do the following: "Save" task A, reverting working copy to current repository Work on task B, check in changes "Restore" task A changes back to working copy

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• I'm maintaining a java class that's 40K lines long.. problem?

  - by Billworth Vandory

  This may be a subjective question leading to deletion but I would really like some feedback. Recently, I moved to another very large enterprise project where I work as a C++ developer. I was aghast to find most classes in the project are anywhere from 8K to 50K lines long with methods that are 1K to 8K lines long. It's mostly business logic dealing with DB tables and data management, full of conditional statements to handle the use cases. Are classes this large common in large enterprise systems? I realize without looking at the code it's hard to make a determination, but have you ever worked on a system with classes this large?

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• Regex: Match opening/closing chars with spaces

  - by Israfel

  I'm trying to complete a regular expression that will pull out matches based on their opening and closing characters, the closest I've gotten is ^(\[\[)[a-zA-Z.-_]+(\]\]) Which will match a string such as "[[word1]]" and bring me back all the matches if there is more than one, The problem is I want it to pick up matchs where there may be a space in so for example "[[word1 word2]]", now this will work if I add a space into my pattern above however this pops up a problem that it will only get one match for my entire string so for example if I have a string "Hi [[Title]] [[Name]] [[surname]], How are you" then the match will be "[[Title]] [[Name]] [[surname]]" rather than 3 matches "[[Title]]", "[[Name]]", "[[surname]]". I'm sure I'm just a char or two away in the Regex but I'm stuck, How can I make it return the 3 matches. Thanks

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