When to use a HashTable
- by ammed
In C# I find myself using a List, IList or IEnumerable 99% of the time. Is there a case when t would be better to use a HashTable (or Dictionary in 2.0 and above) over these?
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Useful Vim features
- by Craig H
Vim is my editor of choice, and I feel I am above average in my use of it. I do recognize, though, that the feature list of vim is huge. With this in mind, I was wondering what features you vim users out there use on a regular basis.Read the article
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How can I import color schemes into Visual Studio 2010?
- by Andrew
I recently came across this website: http://studiostyles.info, which contains a list of color schemes that people have already created. However, I can't find instructions on how to import them into Visual Studio 2010, does anyone know how? PS: I am sorry, if this question has been asked but I cannot find an answer, through search.Read the article
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Reduce Triangle in DirectX 9
- by Himadri
Hello everyone, I have a 3D object with about 2000 or 3000 triangles. I want to reduce the number of triangle without affecting shape of object. for eg, I have two triangles, (1,1.5,2) (1.5,1.5,2) (1.7,2,2) (1.5,1.5,2) (1.7,2,2) (2,1.5,2) In this case these two triangle is same as a single triangle - (1,1.5,2) (2,1.5,2) (1.7,2,2) I dont want the manual method, But if there is any direct function or such thing which will reduce my triangle list. Thank You.Read the article
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Creating Java Dialogs
- by mike_hornbeck
What would be the easiest way for creating a dialog: - in one window I'm giving data for envelope addressing, also set font type from list of sizes - when clicked OK, in the same window or in next window I get preview of how the envelope would look like with the given names, and used selected font size It should look similarly to this : Should I use Jdialog ? Or will JOptionPane will be enough ? The next step will be to choose color of font and background so I must keep that in mind.Read the article
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How to handle click event on table at first column using jquery?
- by kumar
$('tr').click(function() { $("#showgrid").load('/Products/List/Items/'); }); Using this I am handling click event on the row of the table. How can I handle only on the first column? that is, giving click action to only first column not on entire row? thanksRead the article
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run multiple webservices at a time
- by Prajakta
Hello, I have written a webservice which is taking URL as an input and producing a JSON respone. My problem is that now I have list of 1000 URLs and want to execute maximum threads of Webapplications to get output. Like I want to execute 100 instances of webservice at a time to get response.Please can anybody give some guidance how can I do it using java. Thank you in advanceRead the article
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Creating multiple objects of a view defined in the xml
- by user362953
I have to dynamically add a list of views (the views use RelativeLayout). Can I do this by specifying the view definition in xml and instantiate multiple objects off it? This gives the usual benefits of separating the view part from the code (for e.g., making it easy for the UI guys to alter things) or Is going the ArrayAdapter the suggested/only route?Read the article
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Better way to write this ?
- by atif089
any better way to write this ? $(this).parent().parent().find(" dd ul").toggle(); update.. I am trying to create a dropdown using the script here http://www.jankoatwarpspeed.com/post/2009/07/28/reinventing-drop-down-with-css-jquery.aspx however the script works only for one instance of list and my code works good for multiple instances. Just curious if there is another better way to get parent of a parent in jQueryRead the article
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How can I change 0123 into ACTG with tr or Perl?
- by neversaint
I have a file with such list: 100 101 102 103 What I want to do is to replace every 0 into A, 1 into C, 2 into G, 3 into T. Hence we hope to get CAA CAC CAG CATRead the article
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Is it better to store an NSArray of NSManagedObjects or NSManagedObjectIDs?
- by Kevin
In my application I need to keep track of a list of objects that are being displayed. Right now I have an NSArray with all of the NSManagedObjects. Would I be better off to store the ObjectIDs and then only request the object when I need it? I am mainly concerned about memory at this point.Read the article
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POP3 Transmission Process
- by j-t-s
Hi All I was wondering if anyone could help me out (not with code, although that would be appreciated), with the logic behind checking and retrieving messages from a POP3 mail server. I.e. Establish connection Validate credentials Enumerate message list Check each message to see if it's "new" Download "new" message(s). Would this be the correct way about doing this? Thank youRead the article
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C++ invoke explicit template constructor
- by aaa
hello. Can you tell me how to invoke template constructor explicitly (in initializer list)? for example: struct T { template<class> T(); }; struct U { U() : t<void>() {} //does not work T t; }; thanksRead the article
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C# linq in Dictionary<>
- by BahaiResearch.com
I have an object allStudents=Dictionary() In Linq how would I get a list of all the students who are male? (student.Gender=="m") from all the Classrooms? IanRead the article
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How to make a dump of the current NSUserDefaults standardUserDefaults state to disk and read back in
- by mystify
I want to have some way of backing up the user defaults to a property list or XML, or some other appropriate file format that can be transfered over the net. How could I get a backup of these so that I can send them to a webserver and retrieve them back to the device and read them in to the user defaults database?Read the article
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Are Objective-C function names stored in text?
- by thyrgle
I don't remember where I heard about it, (I think I was searching up on how selectors worked and it ended up not being exactly the same as a callback function) and I can't confirm it. But more importantly than that, is there a way I could get a list of the function names from another application?Read the article
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Get generic interface class object
- by Phuong Nguyen de ManCity fan
How to get class object of a generic interface? For example, Boolean.class, Date.class. But List<Boolean>.class doesn't seem to be syntax-valid.Read the article
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jQuery ajax form and Zend_Form file upload
- by Sinisa Valentic
If i submit my ajax form from jQuery, and do print_r($_FILES); i get a list of files uploaded, but if i do something like this $add_form->sound_file->isUploaded(); or $params = $this->_getAllParams(); print_r($params); i don't get my file in zend parametars, and i don't get it uploaded!? Mayb the problem is with he context beng ajax?!Read the article
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How can I select the required records?
- by simple
Tables: Product: [id, name, brand_id, is_published] Brand: [id, name, is_published] Awards: [id, name] ProductAwards [product_id, award_id] How do I select the list of PUBLISHED brands along with the number of AWARDS of brand's products that are Published. I am cool with all the part except issuing the "is_published" restriction when counting Awards. I hope this is clear; can anyone just suggest where to dig?Read the article
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c# oracle problem
- by user216112
I am using c#.net with an Oracle database. I want an example of how a dropdown list will fetch values from database name. I want to know how to make an Oracle connection in c#. I have searched the net but have not got exactly what I require. plz add comment tag to understand me. Thank youRead the article
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Links pointing to a page
- by Mio
I know this is not a programming question, but I couldn't think of where else to ask. Does google or anybody else have a feature to let you see the list of sites pointing to a given link?Read the article
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How to retrieve from two tables with same foreign key repeated more than once?
- by Sarenya
How to display the data of tables that are linked by a primary key and foreign key where the foreign key of the data repeats? For ex. I have two tables, ParentTable and Childtable. The primary key of ParentTable acts as the foreign key of ChildTable. There are more than one record with same ParentId in ChildTable. How to retrieve them and display in a single Grid or List or any type of view?Read the article
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Testing instance variables from controllers with rspec
- by Thiago
Hi, I am trying to get the following spec to run: describe BlacklistController, "GET index" do it "should display the list of universally blocked numbers" do get :index debugger assigns[:blocked_numbers].should contain "190" end end Here's the action def index @blocked_numbers << "190" respond_to do |format| format.html end end And the failure simply says that assigns[:blocked_numbers} is nil. Why's that?Read the article
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How does who-has-blocked-me-on-msn sites work?
- by Mari
I understand that this isn't actually possible. So... what do the do? Can a program retrive a list of msn contacts using a valid user/password?Read the article
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MYSQL - Query to check against other table (hard to explain...)
- by Sam
I have a query that gets a list of emails who have subscribed for a newsletter trial which lasts 30 days.. $thirty = time() - 3024000; SELECT c.email FROM tbl_clients AS c JOIN tbl_clientoptions AS o ON o.client = c.id WHERE o.option = 'newsletter' AND c.datecreated $thirty What I want to do is do a check in that same query so it also returns clients OVER 30 days old if they have the tbl_clientoptions.option = 'trialoverride' (ie; a row in the client options table with the value "trialoverride") basic columns are: TBL_CLIENTS id,name,email,datecreated TBL_CLIENTOPTIONS id,client,optionRead the article
