On.Programming
For most of us, programming (or more generally – software development) is all the life is about.
IT Hares are not different. And they have more than just quite a few bits to share about programming…
Journaled Flash Storage – Emulating EEPROM over Flash, ACID Transactions, and More. Part I – Flash vs EEPROM
September 28, 2015 by • “No Bugs” Bunny
Quote:
You cannot erase single byte of Flash, but need to erase the whole page
Another Quote:
First of all, we want to be sure that whatever-is-already-written to our persistent storage, stays there; this property is known as Durability.
Filed under: On.ProgrammingEmbeddedOn.HardwareMCU
Read moreModified Harvard Architecture: Clarifying Confusion
September 21, 2015 by • “No Bugs” Bunny
Abstract:
Definition of "Modified Harvard" architecture is confusing and overbroad. Proposed alternatives are "Almost-Harvard" and "Almost-von-Neumann
Quote:
"One thing nobody realised for a while is that the system with the least possible amount of chargebacks is the system which rejects all transactions outright
Filed under: On.ProgrammingEmbeddedOn.HardwareMCU
Read moreMulti-threading at Business-logic Level is Considered Harmful
September 7, 2015 by • “No Bugs” Bunny
Quote:
However, the window for triviality is very narrow: for example, even going into two interrelated mutexes instead of one, can easily make multi-threading non-trivial
Another Quote:
Technically you are able to jump to any point of your program, but the variables you see may (and if you have a multi-threaded bug – will) differ every time you jump there.
Filed under: On.System ArchitectureDesign decisionsOn.ProgrammingDebugging
Read moreIf they wrote it in a book, it MUST BE GOOD CODE! Or How many mistakes can fit into 100 lines of book tutorial code? Part 2
August 31, 2015 by • “No Bugs” Bunny
Quote:
Throwing away 1400 bytes for no reason for every single network message is an outrageous waste
Another Quote:
Having this kind of stuff in your code is like having a time bomb: it will explode, and for any sizeable project if will usually happen sooner rather than later (unless, of course, “later” is the worst possible time for the explosion to happen)
Filed under: On.ProgrammingNetwork Programming
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