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• Rails application information

  - by trobrock

  I want to store some information about my rails application, like a version number. I am new to rails and I'm sure there is some sort of convention for doing this. What is the best method of doing this, maybe the environments file?

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• Is there a network diagram standard for illustrating web services?

  - by Phil.Wheeler

  I'm putting together a Solution Architecture document for an enhancement we're adding to our site and it occurs to me that I've never formally illustrated a web service call before. Is there a convention for how web service calls are illustrated on your garden-variety network diagram? Can anyone point me to examples or share something on Create.ly (or similar service)?

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• Magento - get list of items from orders for specific date range

  - by ms80

  Magento database name convention is not trivial. How to get these fields below for last 7 days? Last Name First Name Address City State Zip Phone Email Amount Order # Item #

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• Differences between static class and instance class with private constructor

  - by dotnetdev

  Although a static class has only one instance and can't be instantiated, a class with a private constructor can't be instantiated (as the constructor can't be seen), so every time you call this class, this is the same one instance? Factory classes always follow the last convention (instance class with private constructor). Why is this? Thanks

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• Details of RFC 2326 10.12

  - by VSC

  I am using RFC 2326 10.12 and I want to make sure I am correct. The examples confuse me. From what I understand, the header described consists of four bytes. [$][channel#][MSByte of length][LSByte of length]{data...} Is this the common convention?

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• Is the word "Helper" in a class name a code smell?

  - by ForeverDebugging

  We seems to be abstracting a lot of logic way from web pages and creating "helper" classes. Sadly, these classes are all sounding the same, e.g ADHelper, (Active Directory) AuthenicationHelper, SharePointHelper Do other people have a large number of classes with this naming convention?

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• Using NULL in MySQL

  - by JPro

  The data in my dabatase comes from an external source and where ever there is no data passed, I keep NULL in those places. Can anyone tell me if there are any implications in using NULL to represent empty value? Should I follow some other convention like 'data_not_available'? or something like that? Can anyone suggest?

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• Exposing members or make them private in Python?

  - by deamon

  Is there a general convention about exposing members in Python classes? I know that this is a case of "it depends", but maybe there is a rule of thumb. Private member: class Node: def __init__(self): self.__childs = [] def add_childs(self, *args): self.__childs += args node = Node() node.add_childs("one", "two") Public member: class Node2: def __init__(self): self.childs = [] node2 = Node2() node2.childs += "one", "two"

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• What's a good xmlns alias for the WpfApplication1.Properties namespace?

  - by CannibalSmith

  I know I can call it whatever, but just like there is a convention for project's namespace (xmlns:local), is there a good name I could call the Properties namespace so that any coder could walk up to my code and instantly recognize it? Currently, I use xmlns:Properties, but that's too long in my opinion.

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• Differneces between static class and instance class with private constructor

  - by dotnetdev

  Hi, Although a static class has only one instance and can't be instantiated, a class with a private constructor can't be instantiated (as the constructor can't be seen), so every time you call this class, this is the same one instance? Factory classes always follow the last convention (instance class with private constructor). Why is this? Thanks

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• What's up with the letter 'k' in constant names?

  - by Moshe

  I've seen this strange naming convention for constants in the iPhone SDK. What's up with 'k' in the beginning of constant names?

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• Why the home page is called index.html ?

  - by Misha Moroshko

  I understand that calling the home page index.html is a convention. Is that right ? Does this name has any special meaning (maybe for search engines) ?

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• why do java programmers like to name a variable 'clazz' ?

  - by Tony

  I've seen lots of codes have declaration like Class clazz , where does this originate from ? Is this some kind of convention ? I think 'clazz' is not even a English word , has no meaning at all .

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• Python: When passing variables between methods, is it necessary to assign it a new name?

  - by Anthony

  I'm thinking that the answer is probably 'no' if the program is small and there are a lot of methods, but what about in a larger program? If I am going to be using one variable in multiple methods throughout the program, is it smarter to: Come up with a different phrasing for each method (to eliminate naming conflicts). Use the same name for each method (to eliminate confusion) Just use a global variable (to eliminate both) This is more of a stylistic question than anything else. What naming convention do YOU use when passing variables?

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• Table Naming Dilemma: Singular vs. Plural Names

  - by ProfK

  Convention has it that table names should be the singular of the entity that they store attributes of. I dislike any T-SQL that requires square brackets around names, but I have renamed a Users table to the singular, forever sentencing those using the table to sometimes have to use brackets. My gut feel is that it is more correct to stay with the singular, but my gut feel is also that brackets indicate undesirables like column names with spaces in them etc. Should I stay, or should I go?

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• How does one define a default style for a custom Flex component?

  - by kevmoo

  I'm creating a new Flex component (Flex 3). I'd like it to have a default style. Is there a naming convention or something for my .cs file to make it the default style? Am I missing something?

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• Programatically importing a file and creating an instance of a class in Python

  - by benofsky

  I have a (python) list of strings which refer to python source files and subsequently classes within those files which I want to import and then create an instance of the classes within the files (everything follows a strict naming convention, making this theoretically possible), in Ruby I would do something like: require "lib/sources/#{source}.rb" s = source.constantize.new How would I do something similar in Python? Thanks, Ben

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• How do I name a variable with acronym?

  - by Vishal

  For example in Java for Data Transfer Object I use as: ExampleDTO exampleDTO = new ExampleDTO(); What naming convention should I follow for similar in Python?

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• filename for class files: file.class.php or file.php?

  - by fayer

  i have seen a lot of coders choosing this filename convention: file.class.php. is this a standard of naming class files? just curious. so i know if i should follow it for all class files in the future. thanks

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• Is there any difference between "foo is None" and "foo == None"?

  - by Joe Shaw

  Is there any difference between: if foo is None: pass and if foo == None: pass The convention that I've seen in most Python code (and the code I myself write) is the former, but I recently came across code which uses the latter. None is an instance (and the only instance, IIRC) of NoneType, so it shouldn't matter, right? Are there any circumstances in which it might?

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• Are there any difference between windows NT and windows XP driver development?

  - by user198729

  I found this tutorial on windows NT driver development, but not sure whether it can be applied for windows XP without modification. Anyone knows? UPDATE BTW, is it a MUST to use cdecl calling convention(int _cdecl main) to communicate with a driver?

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• C# empty statement

  - by dotnetdev

  In C#, I can write something like: using (new MyDisposableClass().MethodA()); The semicolon causes a compiler warning to be shown which states possible mistaken empty statement. I haven't run the above code but won't the method still be called? What uses is there of this type of coding convention? I saw another thread on here about this but I ask in case there areny differences now/therefore different replies. Thanks

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• In which situation is the c++/c# namespace approach better than the Java approach?

  - by mike g

  The reason I ask this is that c# could easily have copied the java convention, or a variation of it, but opted for the more flexible approach of explicitly declaring namespaces inside files. As a Java programmer often there are things that I wish I could do differently, but namespaces is not one of them. The flexbility has a certain overhead (extra braces, extra decisions for developers, making it harder to view a projects contributions to the namespace, at least without a specialist IDE). So what practical examples are there when this flexiblity is advantageous?

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• Python `if x is not None` or `if not x is None`?

  - by orokusaki

  I've always thought of the if not x is None version to be more clear, but Google's style guide implies (based on this excerpt) that they use if x is not None. Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convention)?* *I'm referring to any singleton, rather than just None. ...to compare singletons like None. Use is or is not.

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• Parent reference in automapped component

  - by asgerhallas

  In Fluent NHibernate, given an automapped component, is there a convention for setting up a parent reference back to the "holder" of the component? By having for example a property named Parent or something like that? I can't seem to find any information about how to do it or issues about it.

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