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GravityWell's comments

GravityWell | 11 years ago | on: Hard Drive Reliability Update – Sep 2014

This is extraordinarily useful and unique. My compliments to Backblaze for making this available. This is the type of empirical data I would love to have for as many things as possible: SSDs, monitors, TVs, kitchen appliances, tablets, cars, etc.

GravityWell | 12 years ago | on: Node.js Tools for Visual Studio

I just fired up a NodejsConsoleApp project in VS 2013, created a few simple functions, set a breakpoint, and started stepping through. To be fair, I assumed Edit and Continue would work like it works for other .Net or Native projects, or like the old VB or even VBA.

1) "Set Next Statement" doesn't work, which is a pretty big part of E&C

2) I could change code and literals without stopping and restarting the debugging session. Each change causes the current statement to jump to the top of the current function, or to the first line if modifying code outside of any function. Local variables are reset, but globals retain their state.

3) Interestingly, I could change code in a function that does not have the focus, and nothing is reset, then step into that function.

I remember seeing something similar when V8 was being demoed and showed a "live edit" capability, so I guess NTVS has similar functionality.

It short, it sort of works, but it's not the same as E&C for .Net (C# or VB), C/C++ native code, or Office VBA.

GravityWell | 12 years ago | on: Google swaps out MySQL, moves to MariaDB

From the article:

"..It turns out that far from being a minor initiative to keep MariaDB alive, Google is actively patching and upgrading MariaDB 10.0 to be fit enough so that Google can migrate all of its thousand-plus MySQL instances onto the technology."

GravityWell | 12 years ago | on: 95.4 Million self driving cars sold per year by 2035

"Navigant Research forecasts that autonomous vehicles will gradually gain traction in the market over the coming two decades and by 2035, sales of autonomous vehicles will reach 95.4 million annually, representing 75% of all light-duty vehicle sales."

GravityWell | 12 years ago | on: Lossy PNG

Not sure what the objective is, but using the "before" example 475kb lena pic, a subsequent jpg at 61k looks very close to the original, and much better than the 61k blurred png.

There is a reason why jpg has survived the test of time. It delivers a good balance of quality, performance, and is well supported. Challengers like JPEG 2000 have not gained much traction because jpg gets the job done. http://en.wikipedia.org/wiki/JPEG_2000

GravityWell | 12 years ago | on: Google supports MariaDB

I'm not sure why MySQL seems to have received more attention over the years. PostgreSQL might be more robust.

One point about PostgreSQL that bothered me was the apparent lack of case insensitive collation. Where SQL Server, Oracle, and MySQL default to case insensitive, PostgreSQL defaults to case sensitive, and there was no built in way to change this, so you have to do things like "WHERE LOWER(namecol) = 'jdoe'" to work around it. At least that was the situation last time I checked.

GravityWell | 12 years ago | on: Google Chrome security flaw offers unrestricted password access

Correct, and this is the point that is being missed by so many, despite their hyperbole. Chrome could prevent the display of the password as a design choice, but the password must be reversible otherwise how could you send it on to the authenticating server? Only the authenticating server stores non-reversible hashes.
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