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• Please help with a dictionary comprehension in LINQ, C#.

  - by Hamish Grubijan

  Python's equivalent of what I want is: >>> #C#: Dictionary<int, string> tempDict = ... >>> tempDict = {i : str(i) for i in range(200000)} >>> tempDict[5] '5' >>> The example is a bit simplified, but I can modify it myself; do not want to bother you with details of proprietary classes.

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• What reference point/ tutorial could I use to help me make a "Ball rolling" game in flash?

  - by user1798964

  I am a complete newbie to programming, only took high school Computer science so I kind of know what im doing, I just want to know how I can make a ball rolling game that I want to make, could anyone show me an example of a good "ball rolling game" that has good physics and everything, I have tried to use Box2D for the physics portion of the game, but I found that using that is just code and I can't figure out how to make the graphics and details of the world I want to make in my game, all I would like to do would have a game that has the collision detection and physics of box2d only apply to one ball in it and use the left and right keys to move it. sorry if I am too unclear, if anyone could show a tutorial or something to me on how to make a proper "Ball rolling" game that has good physics that would be appreciated, thank you for taking the time to read this

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• Please help me convert this C# 2.0 snippet to Linq.

  - by Hamish Grubijan

  This is not a homework ;) I need to both A) optimize the following code (between a TODO and a ~TODO) and B) convert it to [P]Linq. Better readability is desired. It might make sense to provide answers to A) and B) separately. Thanks! lock (Status.LockObj) { // TODO: find a better way to merge these dictionaries foreach (KeyValuePair<Guid, Message> sInstance in newSInstanceDictionary) { this.sInstanceDictionary.Add(sInstance.Key, sInstance.Value); } foreach (KeyValuePair<Guid, Message> sOperation in newSOperationDictionary) { this.sOperationDictionary.Add(sOperation.Key, sOperation.Value); } // ~TODO }

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• Not getting exact result in python with the values leading zero. Please tell me what is going on the

  - by himagiri

  zipcode = 02132 print zipcode result = 1114

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• What are the best tools to help work with large ant files.

  - by klfox

  I just started working at a company that has a very large ant build file that imports lots of other large/small ant files. Needless to say it's giving me a headache trying to figure out what is going on. What are the best tools out there for: Getting some kind of concise answer on what is happening Visualizing the various targets Seeing performance on tasks Can be multiple tools. Any other tips/suggestions? I tagged this as java since I don't have the reputation to create an ant tag.

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• How can I put the results of Cursor into String[]. For more detail, please refer to the code below

  - by Hicen

  public class DisplayCustomersActivity extends Activity implements Button.OnClickListener { private SalesDB sdb; private ListView lvDCList; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.displaycustomers); lvDCList = (ListView) findViewById(R.id.lvDCList); sdb = new SalesDB(this); SQLiteDatabase db = sdb.getReadableDatabase(); Cursor results = db.query(sdb.TABLE_CUSTOMER, new String[] {sdb.CUSTOMER_ID, sdb.CUSTOMER_NAME, sdb.CUSTOMER_GENDER}, null, null, null, null, null); int resultCount = results.getCount(); String[] customers = new String[resultCount]; if (resultCount == 0 || !results.moveToFirst()) { customers = null; } else { for(int i=0; i<resultCount; i++) { //Process results to String array here ... ... results.moveToNext(); } } }

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• Can some one please provide the practical examples of stubs and drivers?

  - by Aditya

  Hi All, I need some practical examples of stubs and drivers with respect to top-down and bottom-up approaches to testing. I don't require code here. Just the scenario based examples.

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• MYSQL - Adding result set A to result set B? Please see my example

  - by BlackberryFan

  I have two mysql tables. They are laid out in this manner: user_info id | emailContact _______________________ 1 | [email protected] 3 | [email protected] user_biz_info id | emailContact _________________________ 8 | [email protected] 9 | [email protected] What kind of join would I use to create a result set of information like this: id | emailContact ________________________________ 1 - [email protected] 3 - [email protected] 8 - [email protected] 9 - [email protected] I have tried the following: SELECT p.id, p.emailContact, b.id, b.emailContact FROM user_info p, user_business_info b But it seems that this is an incorrect approach. Would someone be able to suggest the correct approach in this or possibly point me in the direction of some tutorials that cover this type of mysql join, as this is what I assume is needed in this case. Thanks for your time in reading through my question!!

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• Help Please, I want use LINQ to Query Count in a matrix according to a array!

  - by Bob Feng

  I have a matrix, IEnumerable<IEnumerable<int>> matrix, for example: { {10,23,16,20,2,4}, {22,13,1,33,21,11 }, {7,19,31,12,6,22}, ... } and another array: int[] arr={ 10, 23, 16, 20} I want to filter the matrix on the condition that I group all rows of the matrix which contain the same number of elements from arr. That is to say the first row in the matrix {10,23,16,20,2,4} has 4 numbers from arr, this array should be grouped with the rest of the rows with 4 numbers from arr. better to use linq, thank you very much!

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• Please help!! Is there a better way to write this LINQ query

  - by Raj Aththanayake

  Hi Is there a better simplified way to write this query. My logic is if collection contains customer ids and countrycodes, do the query ordey by customer id ascending. If there are no contain id in CustIDs then do the order by customer name. Is there a better way to write this query? I'm not really familiar with complex lambdas. var custIdResult = (from Customer c in CustomerCollection where (c.CustomerID.ToLower().Contains(param.ToLower()) && (countryCodeFilters.Any(item => item.Equals(c.CountryCode))) ) select c).ToList(); if (custIdResult.Count > 0) { return from Customer c in custIdResult ( c.CustomerName.ToLower().Contains(param.ToLower()) && countryCodeFilters.Any(item => item.Equals(c.CountryCode)) ) orderby c.CustomerID ascending select c; } else { return from Customer c in CustomerCollection where ( c.CustomerName.ToLower().Contains(param.ToLower()) && countryCodeFilters.Any(item => item.Equals(c.CountryCode)) ) orderby c.CustomerName descending select c; }

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• Please help!! C# Anonymous and returning filtered properties with JSON

  - by Raj Aththanayake

  What is the best way to return only few properties to JSON Result from a collection IEnumerable? Department object has 7properties I only need to 2 of them in client. Can I do this using C# anonymous types? public class Department { public string DeptId { get; set; } public string DeptName { get; set; } public string DeptLoc1 { get; set; } public string DeptLoc2 { get; set; } public string DeptMgr { get; set; } public string DeptEmp { get; set; } public string DeptEmp2 { get; set; } } [HttpGet] public JsonResult DepartmentSearch(string query) { IEnumerable<Department> depts = DeptSearchService.GetDepartments(query); //Department object has 15 properties, I ONLY need 2 (DeptID and DeptName) in the view via returns JSON result) return Json(depts, JsonRequestBehavior.AllowGet); // I don’t want all the properties of a department object }

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• Javascript get image height works in all browsers but firefox...please help?

  - by Calvin

  So I am fairly new to Javascript (a lot of experience in PHP), but I have this basic script that checks a link that redirects to a URL to see what the image height is. If it is a certain height then it adds one to a variable, otherwise nothing. I would easily do this in PHP but the images are on other servers and not my own so it doesn't work. Anyways, ehre is the script. Let me know if you have any tips. Works well and tested in Chrome, Safari, Opera, and IE. <script language='JavaScript'> window.onload = function() { var nstar = 0, urls = []; urls[0] = "http://optout.imiclk.com/cgi/nai_status.cgi?nocache="; urls[1] = "http://www.adbrite.com/mb/nai_optout_check.php?nocache="; urls[2] = "http://events.adchemy.com/visitor/auuid/nai-status?nocache="; function getImgSize(imgSrc){ var newImg = new Image(); newImg.src = imgSrc; return{height:newImg.height, width:newImg.width} } for(i=0,length=urls.length;i<length;i++){ if(getImgSize(urls[i]).height==43){nstar++;} } document.getElementById('tracknum').innerHTML = "<b>" + nstar + "</b>"; } </script>

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• Someone please can see why the following prepared statment returns nothing?

  - by jartaud

  $stmt = mysqli_prepare($link,"SELECT *FROM ads INNER JOIN dept ON dept.id_dept = ads.in_dpt INNER JOIN members ON members.idMem = ads.from_Mem INNER JOIN sub_cat_ad ON id_sub_cat = ads.ads_in_Cat INNER JOIN cat_ad ON idCat_ad = sub_cat_ad.from_cat_ad WHERE ads_in_Cat = ? "); if(isset($_GET['fromSCat'])){ $fromSCat = mysqli_real_escape_string($link,$_GET['fromSCat']);} mysqli_stmt_bind_param($stmt,'i',$fromSCat); mysqli_stmt_execute($stmt); mysqli_stmt_fetch($stmt); $tot=mysqli_stmt_num_rows($stmt); //Ouput: 0

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• What is Keyword Optimization and Does it Help With SEO?

  Everyone that wants to promote their website needs to optimize it for their specific keyword or keyword phrase. Here are a few easy tips to simplify the process.

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• porting an app to iPad: alternatives for a context-menu? UI advice please

  - by Tim

  Considering porting/rewriting an app for the iPad and need some UI advice. On the iPad is there a way to pop a context-menu up from a text field without the text field losing focus? If not, what is the closest thing in the UI to this sort of functionality?

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• How to use custom front at SimpleCursorAdapter for a list view at Searchable Dictionary App??? please help me

  - by user1877275

  I am new in android. this is my frist project.I am tring to make a Name dictionary in bangla so i need to change the front. I already add front into the asset folder.. private void showResults(String query) { Cursor cursor = managedQuery(DictionaryProvider.CONTENT_URI, null, null, new String[] {query}, null); if (cursor == null) { // There are no results mTextView.setText(getString(R.string.no_results, new Object[] {query})); } else { // Display the number of results int count = cursor.getCount(); String countString = getResources().getQuantityString(R.plurals.search_results,count, new Object[] {count, query}); mTextView.setText(countString); // Specify the columns we want to display in the result String[] from = new String[] { DictionaryDatabase.KEY_WORD, DictionaryDatabase.KEY_DEFINITION }; // Specify the corresponding layout elements where we want the columns to go int[] to = new int[] { R.id.word, R.id.definition }; // Create a simple cursor adapter for the definitions and apply them to the ListView SimpleCursorAdapter words = new SimpleCursorAdapter(this, R.layout.result, cursor, from, to); mListView.getAdapter(); // Define the on-click listener for the list items mListView.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // Build the Intent used to open WordActivity with a specific word Uri Intent wordIntent = new Intent(getApplicationContext(), WordActivity.class); Uri data = Uri.withAppendedPath(DictionaryProvider.CONTENT_URI, String.valueOf(id)); wordIntent.setData(data); startActivity(wordIntent); } }); } }

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• anyone can help me with accessing folders on windows from ubuntu?

  - by IslamShalaby

  hello all i had ubuntu on my desktop but i had lots of problems with it so i turned back to windows... now im having the biggest problem ever :S all my dad was in a folder that i created on ubuntu OS and i copied em to another HDD and then i removed it and putted my HDD and removed all the partitions and made the windows parttions once i copied those folders back to my HDD ( using windows 7 ) i found those folders size 0KB when i try to open them i get error.. pleaaase tell me what to do.. i was using my /home partition as ext4.. waiting for answer :(

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• insertvalue function in stack class is not calling when pointing by smartpointer class? please expai

  - by user323422

  template< class Type > class cStack { Type *m_array; int m_Top; int m_Size; public:cStack(); cStack(const Type&); cStack(const cStack<Type> &); bool Is_Full(); bool Is_Empty(); void InsertValue(const Type&); void RemeoveValue(); ~cStack(); }; template< class Type > class Smartpointer { cStack<Type> *sPtr; public: Smartpointer(); Smartpointer(const Type&); Type* operator->(); Type& operator*(); }; int main() { Smartpointer<int> sptr(1); sptr->InsertValue(2);//its not calling insertvalue } }

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• Please suggest what is wrong with this string reversal fucntion(C++)?

  - by AKS

  This code is compiling clean. But when I run this, it gives exception "Access violation writing location" at line 9. void reverse(char *word) { int len = strlen(word); len = len-1; char * temp= word; int i =0; while (len >=0) { word[i] = temp[len-1]; //line9 ++i;--len; } word[i] = '\0'; }

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• What is SEO? How Does SEO Website Design Help Your Search Engine Rankings?

  If you have a website and you are trying to get more people to your site you have undoubtedly heard of the buzz word SEO. SEO stands for Search Engine Optimisation (or Optimization).

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• C# print 2D-array in order. Please help!

  - by user339067

  Hello, I got a 2-dimentional array containing boolean values written in C#. The cols and rows of the array are to be determined by the user upon creation of the array. I then want to print out the array and it´s containing values onto the console in order. For example like this, how is this done in C#? ROWS - COLS - VALUE 1 - A - True 1 - B - True 1 - C - True 1 - D - True 2 - A - True 2 - B - False 2 - C - False 2 - D - True

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• please tell me how i can paint the whole screen in a rimlet?

  - by user188391

  i am developing a blackberry app. i want to paint the screen. i have implemented this VerticalFieldManager hfmBg = new VerticalFieldManager(Field.USE_ALL_HEIGHT ) { protected void paint(Graphics g) { g.setBackgroundColor(Color.SILVER); g.clear(); super.paint(g); }//end of paint method };//end of vertical field manager but tell me is there any other approach to paint the whole screen?

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• How Can Internet Marketing Help Your Business on the Web?

  For a good Internet marketing strategy you need to build a web presence. One can start with the websites. You can upload some good content and photographs describing the products and services you want to promote.

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• SEOPressor Review For the Masses - Find Out How This Plugin Will Help Your On-Page SEO Automatically

  SEO or search engine optimization is critical if you have a website and you want traffic from search engines. That's why I decided to do an SEOPressor review to let people know what is out there.

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• How Can Internet Marketing Help Your Business on the Web?

  For a good Internet marketing strategy you need to build a web presence. One can start with the websites. You can upload some good content and photographs describing the products and services you want to promote.

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