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• Manipulate data in the DB query or in the code

  - by DrDro

  How do you decide on which side you perform your data manipulation when you can either do it in the code or in the query ? When you need to display a date in a specific format for example. Do you retrieve the desired format directly in the sql query or you retrieve the date then format it through the code ? What helps you to decide : performance, best practice, preference in SQL vs the code language, complexity of the task... ?

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• Autorelease vs. Release

  - by Sheehan Alam

  Given the two scenarios, which code is best practice and why? Autorelease loginButton = [[[UIBarButtonItem alloc] initWithTitle:@"Login" style:UIBarButtonItemStylePlain target:self action:@selector(loginButtonClicked:)] autorelease]; self.navigationItem.rightBarButtonItem = loginButton; or Release loginButton = [[UIBarButtonItem alloc] initWithTitle:@"Login" style:UIBarButtonItemStylePlain target:self action:@selector(loginButtonClicked:)]; self.navigationItem.rightBarButtonItem = loginButton; [loginButton release];

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• Is it ok to throw NotImplemented exception in virtual methods?

  - by Axarydax

  I have a base class for some plugin-style stuff, and there are some methods that are absolutely required to be implemented. I currently declare those in the base class as virtual, for example public virtual void Save { throw new NotImplementedException(); } and in the descendand I have a public override void Save() { //do stuff } Is it a good practice to throw a NotImplementedException there? The descendand classes could for example be the modules for handling different file formats. Thanks

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• How to manage images (dimension-wise) in iPhone OS 3.1x / 3.2 / 4.0?

  - by Horace Ho

  iPhone is 480 x 320, iPad is 1024 x 768, iOS 4 is 960 x 640. What is the good practice of managing images for 3 resolutions? Say the app wallpaper as an example, the iPhone is probably a 50%-reduction of the iOS4 one. But it is also tempting to design one dimension (1024 x 768) for both devices (iPad and iOS 4 phones). Any suggestions? thanks

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• help on integrating oracle BI into existing application

  - by ywang1129

  I have an existing application written in perl. Now i need to integrate this application with ocbi. The plan is having button that user can click on to open ocbi in iframe. The ocbi resides on a different server from the running application. Has anyone done this before, know what is the best practice of doing this, and what is the effort of doing this. another question is is it possible to add customize the ocbi displayed in iframe. thanks

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• Stored Queries?

  - by phpeffedup

  Is it considered crazy to store common SQL queries for my web app in a database for use in execution? Or is that common practice? Or is it impossible? My thinking is, this way, I avoid hard-coding SQL into my application files, and add another level of abstraction. Is this crazy? Is this what a stored procedure is? Or is that something else?

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• Is an Iframe my only option?

  - by cyggi

  I have a job to develop a website. My client wants it so that there is a header, a menu and for the content a rectangle-like box in which you can scroll the text. So that header and menu don't move but the text in the box does. It should look like this: ***********header image *********** menu menu menu menu -------------- | you || | can || | scroll in || | this box || |_____________ Is my only option to implement this an iframe? Would it be bad practice to use an iframe for this?

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• How to test Gem Extensions in Rails

  - by rube_noob

  I have written an extension to an existing gem (that is stored in lib) and a corresponding test for my extension. How could I go about running the gem's tests as well as my own automatically. What is the best practice for this case?

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• Saving a Django form to a csv file

  - by Oli

  I have a Django form that is working fine. I'd like to save the data it submits to a CSV file. Is there a "best practice" way to do this? I need to include blank fields in the CSV file where the user has not filled in a "required=False" field

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• Passing DataSource object from a servlet to a JavaBean

  - by Slavko

  I like the ease of using @Resource annotation to get a DataSource, but as far as I know, it's not possible to use it in a regular JavaBean. Would it be considered a bad practice if I pass the DataSource object from a servlet to a bean along with the other data to avoid having that lookup code in the bean?

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• Difference between raising event with SomeEvent(arg) and SomeEvent.Invoke(arg)

  - by LLS

  Is there any difference in using SomeEvent(arg); and SomeEvent.Invoke(arg); If there is no significant difference, which one is the better practice?

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• Unit tests and fixtures

  - by Wizzard

  We have a bunch of unit tests which test a lot of webpages and REST API services. Currently when our tests run it pulls from these pages live but this can take ages to run sometimes, and it also feels like the tests should be testing more of our code - not just relying on them being up and responding (if that makes sense..). Is it better practice to save a valid api response and with the unit tests load this in during setup? Thoughts?

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• Why return this.each(function()) in jQuery plugins?

  - by Corey Sunwold

  Some of the tutorials and examples I have seen for developing jQuery plugins tend to return this.each(function () { }); at the end of the function that instantiates the plugin but I have yet to see any reasoning behind it, it just seems to be a standard that everyone follows. Can anyone enlighten me as to the reasoning behind this practice?

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• what is the best way to use global variables in c++?

  - by tsubasa

  For me, I usually make a global class with all members static. All other classes will inherit from this global class. I wonder if this is a good practice? Anybody got any suggestions?

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• Drupal: cusomizing modules question

  - by Patrick

  hi, I've a question about how to customize drupal modules avoiding hacks. Let's say I've downloaded Lightbox2 module and I want to change the javascript file to display differently my lightbox. At the moment I'm modifying the Lightbox2 module, so I cannot update it anymore, so I know it is not the best practice. I was wondering if I can customize the javascript file of this module with a hook, and how. Thanks

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• Where to put Assertions?

  - by sud03r

  Hi, Having assertions for unexpected conditions is considered to be good defensive coding practice. I happen to place assertions whenever i think something unexpected may happen, but that now seems to be an overkill to me. Additionally, sometimes mild unexpected conditions that don't necessarily lead to crash may even cause failure on customer end. Is there a hard and fast rule to put assertions? Thanks.

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• Proper disposing of MD5CryptoServiceProvider

  - by StupidDeveloper

  Which one of the below 2 code pieces is not calling dispose and therefore is bad practice: ... using(MD5CryptoServiceProvider p = new MD5CryptoServiceProvider()) { return p.ComputeHash(...); } ... or ... return new MD5CryptoServiceProvider()).ComputeHash(...); ... ?

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• Rescuing redirect :back after destroy in Rails?

  - by Andreas

  I'm looking for a best practice solution to be able to keep using redirect :back after a successful destroy action, as many items can be deleted from a variety of listings. Unfortunately that strategy fails for the one case when the delete is initiated from the item view itself. What approach do you recommend for this situation?

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• Advantages of createElement over innerHTML?

  - by oninea

  In practice, what are the advantages of using createElement over innerHTML? I am asking because I'm convinced that using innerHTML is more efficient in terms of performance and code readability/maintainability but my teammates have settled on using createElement as the coding approach. I just wanna understand how createElement can be more efficient.

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• generate PHP classes from XSD?

  - by Qwerty

  Is there in the world analogues of JavaBeans or JAXB for PHP? Is it possible to generate PHP classes from XML schema? It's common practice to publish API's as XSD schemas. Java and C# guys can get advantage of this by generating classes right from XSD. Is there same tool for PHP?

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• javascript string difference

  - by Konrad

  What is the difference (if any) between the javascript strings defined below? var str1 = "Somestring"; var str2 = 'Somestring'; "" and '' mean two very different things to me predominantly writing code in C++ :-) EDIT: If there is no difference why are there two ways of achieving the same thing and which is considered better practice to use and why. Thanks!

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• Whats the difference between \z and \Z in a regular expression and when and how do I use it?

  - by Mister M. Bean

  From http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Pattern.html: \Z The end of the input but for the final terminator, if any \z The end of the input But what does it mean in practice? Can you give me an example when I use either the \Z or \z. In my test I thought that "StackOverflow\n".matches("StackOverflow\\z") will return true and "StackOverflow\n".matches("StackOverflow\\Z") returns false. But actually both return false. Where is the mistake?

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• Zend_Registry: real life examples

  - by takeshin

  Do you find Zend_Registry useful? For which tasks it should be used? For which not? Global state for variables is not a good practice. Main objects may have global state injected via $front->setParam('paramName', $object), so what's the purpose of Zend_Registry?.

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• Core data and saving the context in subViewControllers, ok to release?

  - by Shizam

  When updating the managedObjectContext is it ok practice to do the save setup in view controllers that may be released or should the appDelegate handle the saving of the managedObjectContext so that even if the viewController is released the save finishes? Thanks, Sam

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• Should I check-in IDE project files to version control system?

  - by Alexey Kalmykov

  For a Java project (with the team of 5-10 developers) should I store my IDE project files (e.g. Eclipse or IntelliJ Idea) in version control system (currently I store only build scripts)? What's the best practice? PS Do you aware of any tools to automatically generate project files for common Java IDEs according to some descriptor?

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