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• Where i can get the source code of string.h not function prototypes, but implementation of functions

  - by mohit

  Hi, This file String.h i found while searching about string.h. Where i can find functions implementation of functions defined in string.h i.e [say] source code of "void *memcpy(void *, const void *, size_t); " Also i want to ask how to make ur functions as an interface with its implmentation hidden from developer as string.h functions has.

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• Rather than sending in numbers, having code passed to an individual in genetic programming? ECJ

  - by sieve411

  I'm using ECJ with Java. I have an army of individuals who I all want to have the same brain. Basically, I'd like to evolve the brains using GP. I want things like "if-on-enemy-territory" and "if-sense-target" for if statements and "go-home" or "move-randomly" or "shoot" for terminals. However, these statements need to be full executable Java code. How can I do this with ECJ?

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• Is it best practice to try - catch my entire PHP code, or be as specific as possible?

  - by Itay Moav

  I do not have many kinds of Exceptions in my project. Right now,(we use MVC) I have the try catch encompassing my entire code: try{ fronController::dispatch($somthing...); }catch(Exception $E){ //handle errors } I wonder if there is a good reason to use the try-catch block in as specific as possible way as I can or just keep it general as it is now?

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• How to test your code on a machine with big-endian architecture?

  - by eSKay

  Both ideone.com and codepad.org have Little endian architechtures. I want to test my code on some machine with big-endian architechture (for example - Solaris - which I don't have). Is there some way that you know about?

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• What is faster - using PEAR package or including required libraries directly into php code?

  - by Kirzilla

  Hello, What will work faster - using PEAR package or require Some_Library.php files in code? For example, what is faster - using Smarty as PEAR module or using require_once("Smarty.php")? Have anyone tested this? Thank you

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• I am at the point I need to purchase IAR or Code Composer 4 for MSP430 development

  - by michael

  I have been using IAR so far, but it crashes sometimes and doesn't have code completion. Also, the other dev environments I use are eclipse based. Which one should I buy?

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• uninitialized constant Encoding rake db:migrate

  - by Denis

  Hi, My RoR App use rails 2.1.2 When I run rake db:migrate --trace I get the following error, Any idea? ** Invoke db:migrate (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:migrate rake aborted! uninitialized constant Encoding /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activesupport/lib/active_support/dependencies.rb:278:in `load_missing_constant' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activesupport/lib/active_support/dependencies.rb:467:in `const_missing' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activesupport/lib/active_support/dependencies.rb:479:in `const_missing' /Library/Ruby/Gems/1.8/gems/sqlite3-0.0.8/lib/sqlite3/encoding.rb:9:in `find' /Library/Ruby/Gems/1.8/gems/sqlite3-0.0.8/lib/sqlite3/database.rb:66:in `initialize' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `new' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `sqlite3_connection' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:292:in `send' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:292:in `connection=' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:260:in `retrieve_connection' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in `connection' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/migration.rb:408:in `initialize' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/migration.rb:373:in `new' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/migration.rb:373:in `up' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/activerecord/lib/active_record/migration.rb:356:in `migrate' /Users/denisjacquemin/Documents/code/projects/BmfOnRails/vendor/rails/railties/lib/tasks/databases.rake:99 /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /Users/denisjacquemin/.gem/ruby/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:in `load' /usr/bin/rake:19 My database.yml development: adapter: sqlite3 database: db/development.sqlite3 pool: 5 timeout: 5000 thanks

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• How can I disable code optimization during build process?

  - by WSK

  I want to disable code optimization during build process to make it easy for duggibg. How can I do it?

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• How to positioning the controls in android through code?

  - by jayanthgande

  Hi, I am developing an application, and I want to make it work on different resolutions and different densities. My question is how to position the controls through code such a way that it works on all resolutions. Regards: Jayanth

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• Code for terminating application on button click ( in iPhone ).......

  - by priya

  I need code for terminating the application on a button click but termination should be done with basic animation....Can anyone suggest? I tried with exit(0) and also by using [[UIApplication sharedApplication] terminate]; but it terminates application roughly.........

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• What is the best way to organize object oriented code?

  - by Adam

  I haven't coded in java for a long time, and after coding in C, I'm having issued organizing my code for OOP. More specifically I'm not sure when to create a new method, and when to create a new class, and when to just lump everything together. Are there some general rules or guidelines on how it should be done?

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• What's the right name for non MVC ASP.Net code?

  - by Scott Weinstein

  I'm building a ASP.Net MVC site, which has some small islands of non MVC code. Is this best called ASP.Net Classic, or Legacy ASP.Net? Is there some better name two distinguish the two?

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• How to detect whether code is running in a XBAP application or a WPF application?

  - by user189102

  Im creating a custom control. I have common code for WPF and XBAP application. I have some different calculation/work to do if it’s a XBAP application. How to detect whether it’s an xbap application or a WPF application?

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• I cannot understand the point of this simple code.

  - by M4design

  I am doing this assignment, and there are some stuff (from start-up materials) that I cannot comprehend. typedef enum { NORTH, EAST, SOUTH, WEST, NUM_POINTS } Point; typedef Point Course[NUM_POINTS] ; I don't get the idea behind the last line , and how can I use it in the code?

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• Can I customize the Magento app/code/core folder without affecting future upgrades?

  - by mck89

  I found a guide on how to add new attributes to users, it explains that for this operation I must modify some files in the app / code / core / Mage directory (the directory that contains Magento’s modules). But if i make some changes in that folder will this affect future upgrades? Will an upgrade will delete my changes? Should I limit the changes only to my modules to not have problems with updates?

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• What is the Difference between a Hash and MAC (Message Authentication code)?

  - by drelihan

  Hi Folks, What is the Difference between a Hash and MAC (Message Authentication code)? By their definitions they seem to serve the same function. Can someone explain what the difference is? Thanks

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• Where should I put the code for a Django admin action for a third party app?

  - by charlie

  Hi, I'm new to Django. I am writing my own administrative action for a third party app/model, similar to this: http://mnjournal.com/post/2009/jul/10/adding-django-admin-actions-contrib-apps/ It's a simple snippet of code. I'm just wondering where people suggest that I put it. I don't want to put in the third party app because I might need to update to a newer version at some point. Thanks.

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• How to I define/change the mappings for Linq To Sql in code.

  - by Ian Ringrose

  I wish to be able to change the table a class is mapped to at run time, I can’t do this if all the mappings are defined with attributes. Therefore is there a way to define the mappings at runtime in code. (I would rather not have to maintain xml mapping files.)

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• How do I get the error code and description from a Savon::SOAPFault?

  - by Michael Conigliaro

  I can see in the Savon log that my SOAP faults contain XML like this: <errorCode>666</errorCode><errorDescription>some evil error</errorDescription> Does anyone know how to parse the error code and description out of the response? Sorry if this is a stupid question, but I've tried everything, and I haven't been able to find any documentation on this.

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• How to rewrite this jQuery code by using Mootools?

  - by Nikita Sumeiko

  I have a jQuery code, but need it working by using Mootools: if ( $("span.mailme").length ) { var at = / AT /; var dot = / DOT /g; $('span.mailme').each(function () { var addr = $(this).text().replace(at, '@').replace(dot, '.'); $(this).after('<a href="mailto:' + addr + '">' + addr + '</a>'); $(this).remove(); }); } Is there anyone, who know as good Mootools as jQuery?

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• using a Singleton to pass credentials in a multi-tenant application a code smell?

  - by Hans Gruber

  Currently working on a multi-tenant application that employs Shared DB/Shared Schema approach. IOW, we enforce tenant data segregation by defining a TenantID column on all tables. By convention, all SQL reads/writes must include a Where TenantID = '?' clause. Not an ideal solution, but hindsight is 20/20. Anyway, since virtually every page/workflow in our app must display tenant specific data, I made the (poor) decision at the project's outset to employ a Singleton to encapsulate the current user credentials (i.e. TenantID and UserID). My thinking at the time was that I didn't want to add a TenantID parameter to each and every method signature in my Data layer. Here's what the basic pseudo-code looks like: public class UserIdentity { public UserIdentity(int tenantID, int userID) { TenantID = tenantID; UserID = userID; } public int TenantID { get; private set; } public int UserID { get; private set; } } public class AuthenticationModule : IHttpModule { public void Init(HttpApplication context) { context.AuthenticateRequest += new EventHandler(context_AuthenticateRequest); } private void context_AuthenticateRequest(object sender, EventArgs e) { var userIdentity = _authenticationService.AuthenticateUser(sender); if (userIdentity == null) { //authentication failed, so redirect to login page, etc } else { //put the userIdentity into the HttpContext object so that //its only valid for the lifetime of a single request HttpContext.Current.Items["UserIdentity"] = userIdentity; } } } public static class CurrentUser { public static UserIdentity Instance { get { return HttpContext.Current.Items["UserIdentity"]; } } } public class WidgetRepository: IWidgetRepository{ public IEnumerable<Widget> ListWidgets(){ var tenantId = CurrentUser.Instance.TenantID; //call sproc with tenantId parameter } } As you can see, there are several code smells here. This is a singleton, so it's already not unit test friendly. On top of that you have a very tight-coupling between CurrentUser and the HttpContext object. By extension, this also means that I have a reference to System.Web in my Data layer (shudder). I want to pay down some technical debt this sprint by getting rid of this singleton for the reasons mentioned above. I have a few thoughts on what an better implementation might be, but if anyone has any guidance or lessons learned they could share, I would be much obliged.

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• What's the best way to call an IBAction from within code?

  - by Rob

  Say for instance I have an IBAction that is hooked up to a button in interface builder. - (IBAction)functionToBeCalled:(id)sender { // do something here } Within my code, say for instance in another method, what is the best way to call that IBAction? If I try to call it like this, I receive an error: [self functionToBeCalled:]; But, if I try to call it like this (cheating a bit, I think), it works fine: [self functionToBeCalled:0]; What is the proper way to call it though?

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• possible to have two working sets? 1) data 2) code

  - by user338865

  In regards to Operating System concepts... Can a process to have two working sets, one that represents data and another that represents code?

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• Urgent help needed on How to update NSMutableDictionary. My code doesn't work.

  - by dawatson833

  I've populated an array using. arrSettings = [[NSMutableArray alloc] initWithContentsOfFile:[self settingsPath]]; The file is a plist with the root as an array and then a dictionary with three three keys defined as number. I've also tried setting the keys to string. I display the values in the plist file on a view using. diaper = [[arrSettings objectAtIndex:0] objectForKey:@"Diaper Expenses"]; oil = [[arrSettings objectAtIndex:0] objectForKey:@"Oil Used"]; tree = [[arrSettings objectAtIndex:0] objectForKey:@"Wood Used"]; This code works fine, the values in the dictionary are assigned to the variables and they are displayed. The user can make changes and then press a save button. I use this code to extract the dictionary part of the array so I can update it. The assignment to editDictionary works. I've double checked the key names including case and that is correct. editDictionary = [[NSMutableDictionary alloc] init]; editDictionary = [arrSettings objectAtIndex:0]; NSNumber *myNumber = [NSNumber numberWithFloat:diaperAmount]; [editDictionary setValue:myNumber forKey:@"Diaper Expenses"]; myNumber = [NSNumber numberWithFloat:oilAmount]; [editDictionary setValue:myNumber forKey:@"Oil Used"]; myNumber = [NSNumber numberWithFloat:treeAmount]; [editDictionary setValue:myNumber forKey:@"Wood Used"]; In this example I've used a nsnumber. But I've also tried the xxxAmount field as part of SetValue instead of creating a NSNumber. Neither implementation works. Several strange things happen. Sometimes the first two setvalue statements work, but the last setvalue fails with a EXC_BAD_ACCESS failure. Other times the first setValue fails with the same error. I have no idea why the first two sometimes work. I'm at a loss of what to do next. I've tried several implentations and none of them work. Also, in the debugger how can I display the editDictionary elements. I can see editDictionary, but I don't know how to display the individual elements.

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• Why do I never see the prototype property in JavaScript code I edit?

  - by yaya3

  Why do I never see the prototype property in JavaScript code I edit, from books and documentation I've read, it seems to be a cornerstone of the language.

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