Why aren’t ◎ܫ◎ and ☺ valid JavaScript variable names?

ಠ_ಠ and 草泥马 only contain “letters” used in actual alphabets; that is, ಠ is a symbol from the Kannada alphabet, and 草泥马 consists of Chinese characters. ◎ and ☺, however, are purely symbols; they are not associated with any alphabet. The ECMAScript standard, chapter 7.6 (which all the browsers except Internet Explorer are following), states … Read more

Database, Table and Column Naming Conventions? [closed]

I recommend checking out Microsoft’s SQL Server sample databases: https://github.com/Microsoft/sql-server-samples/releases/tag/adventureworks The AdventureWorks sample uses a very clear and consistent naming convention that uses schema names for the organization of database objects. Singular names for tables Singular names for columns Schema name for tables prefix (E.g.: SchemeName.TableName) Pascal casing (a.k.a. upper camel case)

What is the naming convention in Python for variable and function?

See Python PEP 8: Function and Variable Names: Function names should be lowercase, with words separated by underscores as necessary to improve readability. Variable names follow the same convention as function names. mixedCase is allowed only in contexts where that’s already the prevailing style (e.g. threading.py), to retain backwards compatibility.

What are the rules about using an underscore in a C++ identifier?

The rules (which did not change in C++11): Reserved in any scope, including for use as implementation macros: identifiers beginning with an underscore followed immediately by an uppercase letter identifiers containing adjacent underscores (or “double underscore”) Reserved in the global namespace: identifiers beginning with an underscore Also, everything in the std namespace is reserved. (You … Read more

Why would a JavaScript variable start with a dollar sign? [duplicate]

Very common use in jQuery is to distinguish jQuery objects stored in variables from other variables. For example, I would define: var $email = $(“#email”); // refers to the jQuery object representation of the dom object var email_field = $(“#email”).get(0); // refers to the dom object itself I find this to be very helpful in … Read more

What are some examples of commonly used practices for naming git branches? [closed]

Here are some branch naming conventions that I use and the reasons for them Branch naming conventions Use grouping tokens (words) at the beginning of your branch names. Define and use short lead tokens to differentiate branches in a way that is meaningful to your workflow. Use slashes to separate parts of your branch names. … Read more

Naming Classes – How to avoid calling everything a “Manager”? [closed]

I asked a similar question, but where possible I try to copy the names already in the .NET framework, and I look for ideas in the Java and Android frameworks. It seems Helper, Manager, and Util are the unavoidable nouns you attach for coordinating classes that contain no state and are generally procedural and static. … Read more

What is the meaning of single and double underscore before an object name?

Single Underscore In a class, names with a leading underscore indicate to other programmers that the attribute or method is intended to be be used inside that class. However, privacy is not enforced in any way. Using leading underscores for functions in a module indicates it should not be imported from somewhere else. From the … Read more

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