Currying is when you break down a function that takes multiple arguments into a series of functions that each take only one argument. Here’s an example in JavaScript: function add (a, b) { return a + b; } add(3, 4); // returns 7 This is a function that takes two arguments, a and b, and … Read more
It is more or less historical: they used to be different a long time ago, which has no practical implications anymore. Edit: I use “class” when referring to concrete implementations and “type” in a more informal way, when speaking about high level data structures, application arcitecture etc. In my thinking a type is a more … Read more
“Cascading” in this context means that because more than one stylesheet declaration could apply to a particular piece of HTML, there has to be a known way of determining which specific stylesheet rule applies to which piece of HTML. The rule used is chosen by cascading down from the more general declarations to the specific … Read more
If you are developing software for a client, then there is a contract between you/your company, and the client/their company. These are the two parties to the contract. Anyone else, not bound by the contract, is a third party. It’s used wherever a contract exists between two parties to mean anyone not bound by the … Read more
At symbol – @ The @ symbol tells the command processor to be less verbose; to only show the output of the command without showing it being executed or any prompts associated with the execution. When used it is prepended to the beginning of the command, it is not necessary to leave a space between … Read more
Any Python file is a module, its name being the file’s base name without the .py extension. A package is a collection of Python modules: while a module is a single Python file, a package is a directory of Python modules containing an additional __init__.py file, to distinguish a package from a directory that just … Read more
Like any other such term, these terms are used differently in different places, and are sometimes interchangeable. Here’s what the differences typically are: The Application Architect is is what many of us just call the Architect. The person responsible for the highest levels of design and scope for a particular solution/project. You’d bother using Application … Read more
As noone has yet answered the question, I’ll post on what I have decided in the meantime. Just for the record, I have pretty much decided on calling most data store classes repositories. First, it appears to be the most neutral, non-technical term from the list I suggested, and it seems to be well in … Read more
The bolded code is a conversion operator. (AKA cast operator) It gives you a way to convert from your custom INT type to another type (in this case, int) without having to call a special conversion function explicitly. For example, with the convert operator, this code will compile: INT i(1234); int i_2 = i; // … Read more
Doing something programatically generally means that you can do it using source code, rather than via direct user interaction or a macro. For example, consider the problem of resizing columns to fit in Excel. You could do it manually by double clicking between the columns, but that requires user interaction. You could use the excel … Read more