How do you flag code so that you can come back later and work on it?

Question

In C# I use the #warning and #error directives,

#warning This is dirty code...
#error Fix this before everything explodes!
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Answer 1

This is my list of temporary comment tags I use:

//+TODO  Usual meaning.
//+H     Where I was working last time.
//+T     Temporary/test code.
//+B     Bug.
//+P     Performance issue.

To indicate different priorities, e.g.: //+B vs //+B+++

Advantages:

• Easy to search-in/remove-from the code (look for //+).
• Easy to filter on a priority basis, e.g.: search for //+B to find all bugs, search for //+B+++ to only get high priority ones.

Can be used with C++, C#, Java, ...

Why the //+ notation? Because the + symbol looks like a little t, for temporary.

Note: this is not a Standard recommendation, just a personal one.