jbellis

56 ms·

901.
by jbellis 17y ago
all the from..to predicates can take a prefix in from. (i.e., LIKE foo%, but not LIKE %foo%). ('to' is optional, and technically, so is 'from'.)
902.
by jbellis 17y ago
It's worth pointing out that almost all of Chrome's share has come at IE's expense, not FF's.
903.
by jbellis 17y ago
Upvoted, but I was hoping for something with a little more of Meld and a little less of color-coded diff -u.
904.
by jbellis 17y ago
It doesn't take a _whole_ lot of familiarity with the other systems to see which of his criteria they failed.
905.
by jbellis 17y ago
[replying to cx01] > Would you mind explaining why you disagree? I did, that's what the rest of the comment is. :) > How is disallowing distributed transactions a sane approach? That's the subject of Pat's entire paper, which I link
906.
by jbellis 17y ago
> their sys admins are dropping Cassandra and pushing all the engineers back to MySql I'm curious what you are thinking of, because I have better picture of companies using Cassandra than most. :) I do know of one company that fits your
907.
by jbellis 17y ago
> I think if you introduce (multi-'row') ACID into any of today's NoSQL database, you'd just end up with a bad traditional database Strongly disagree, although there is truth to the converse (adding sharding to a traditional database yi
908.
by jbellis 17y ago
One I wrote: http://www.rackspacecloud.com/blog/2009/11/09/nosql-ecosyste... Another, that goes into even more detail (imo, too much for one article, but a good article all the same): http://www.vineetgupta.com/2010/01/nosql-databases-pa
909.
by jbellis 17y ago
> So what kind of performance can you get from Cassandra? ~10k ops/second per quad-core node. Scales roughly linearly w/ node and core counts. ("Roughly" means, obviously there is network overhead as you move from single node to multi
910.
by jbellis 17y ago
I tried to explain to the reporter why Cassandra's data model (particularly that it supports an arbitrary number of columns per row) makes it support denormalization better than traditional rdbmses, and somehow that got turned into "cassand
911.
by jbellis 17y ago
> I suspect that this completely defeats the purpose of pre-allocating space. There are two reasons to preallocate. One is so that you can get by with fdatasync rather than full fsync (that is, you don't have to sync file metadata as w
912.
by jbellis 17y ago
Yes, and if you run a cluster long enough you WILL suffer unplanned power loss. Usually due to human error of one sort or another. It's basically impossible to eliminate entirely.
913.
by jbellis 17y ago
> The only downside is they all have $3000 (or more) initial limits That's what ETFs are for, among other things. > there are generally no transaction costs with Vanguard (but you do lose that part w/ any ETF)
914.
by jbellis 17y ago
Why is switching from rb to js to get server side event-driven code better than using a rb library like EventMachine? Or is there another benefit of node.js that I didn't pick up?
915.
by jbellis 17y ago
Yes, some parts of the market don't need the kind of scale talked about here (you'd think the domain name would tip you off). And plenty of people get by with MS Access, still. I don't really think either point adds to the discussion.
916.
by jbellis 17y ago
> If implemented correctly, a hierarchical system is extremely unlikely to fail. You should go show google how they're doing it wrong so they can keep app engine up.
917.
by jbellis 17y ago
> Does Cassandra actually support transactions? He means in the sense that databases have typically been divided into "transaction processing" (doing a small set of operations over and over with large concurrency) and "analytics" (doing
918.
HBase to Cassandra: why we switched(ria101.wordpress.com)
22 points by jbellis 17y ago|4 comments
919.
by jbellis 17y ago
> He himself conceded that his secretary pays a higher percentage of her income in taxes than he does Buffet is himself a redistributionist, and was comparing his capital gains tax rate (where essentially all his "income" comes from) wi
920.
by jbellis 17y ago
The actual schacon interview is much better: http://thegeektalk.com/interviews/scott-chacon
921.
by jbellis 17y ago
The hosted version is 0.4.4? I think they're up to 0.6.something now.
922.
by jbellis 17y ago
I love interview questions that make Python look awesome.
923.
by jbellis 17y ago
3 OS X machines gave me more trouble than 100s of linux boxes. They kept locking up, hard, whenever load got above "looked at severely." We had remotely controllable PDUs, so we could power cycle over ssh, but it was still a pita. No matt
924.
by jbellis 17y ago
Cassandra graduated at the same board meeting at svn, btw. Just need to move the project page now.
925.
by jbellis 17y ago
In the Philippines, completing high school means you've done a total of 10 years. I don't know of a good way to compare high school outcomes per se, but RP college grads who go on US grad schools certainly seem to do okay.
926.
by jbellis 17y ago
> The knowledge of good and bad builds up and refines itself with age through experiences. It didn't take me 17 years to learn that "hitting people up for bribes is bad." YMMV I guess.
927.
by jbellis 17y ago
> we're all 'at will' employees by default IIANM this depends on your state in the USA.
928.
by jbellis 17y ago
How is it going to haunt the VC if he doesn't name them?
929.
by jbellis 17y ago
The part about 20s in where he demonstrates dragging multiple slides looks excruciating. This is "we barely got something to work so we could check it off," not "elegant."
930.
IPad ergonomics: "he looks uncomfortable"(nedbatchelder.com)
36 points by jbellis 17y ago|21 comments

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