CAT achievement tests are generally considered the easiest to administer for home schooling families they don’t have any requirements for the administrator so they can be given by the parent/homeschool leader. They are widely accepted in states that require achievement testing for homeschooling. Additionally they have an untimed online version that makes it a great fit for easy fulfillment and many homeschoolers have shared that the untimed version helps their students who may have some test anxiety. So it seemed like a good place to start - would be open to recommendations on more tests that might be desired by the community.
I am 60 but very active and fit. Can't overstate the importance of it. It makes me feel young and I am constantly working on new projects, have lots of energy and general positive outlook. Clients do not believe my age when they see me. They think I am 40. Meanwhile at one point (year 2000) I was total physical and mental wreck after working as a lead architect for a company. Went on my own since then.
What I do - My daily exercise routine is - 2 hour cardio
(hike, cycle, swim if summer) and every other day 4 sets of 20 chin ups or 4 sets of 20 triceps dips for strength. Cardio takes time, strength does not as I have bars right close to my computer in my office.
Sure, one day it will all go downhill and I'll croak but for now I enjoy the life just as well as when I was 20.
I feel that from the biological point of view, the brain evolved to serve the body (mostly for locomotion) and it's level of function is tightly related to fitness in general
After quitting full time job in 2000 I started with 1 hr but very low intensity. After 3 month I've lost all of my pounds and was able to go for however long I want. Like 200km bike ride.
I did 2 - 2.5 hours of exercise for a brief time (around a year), years ago. You can't do it if you have children, but otherwise it can be done. I started work at 7:00 and left at 15:00. Adding transportation I'd normally be home around 18:15 in the evening. I think the key is to not have other obligations (at least not to many) and a minimum of transportation time.
My daughter is adult and being on my own since 2000 relieved me from wasting time on commute except occasional visit to client. The only obligation I have is to my wife and often we ride, hike etc together or with friends.
That isn't the point the comenters above are making. They are saying that without good physical health it is extremely difficult, maybe impossible, to decide what your lifr is about and get doing about doing it for most people. Health fails eventually, yes-but being active and health conscious makes the end more bearable. My gym has a dozen or so 80+ year olds that could train circles around your average 20 year old.
HarfBuzz is more complete (supports more scripts) and higher performance (we assume, haven't benchmarked yet), but the large C++ codebase can be a little intimidating to dive into. We plan to extend Allsorts to reach feature parity with HarfBuzz, so it will be an interesting comparison of tackling a complex problem in Rust!
100% agree. If starting now I think you should consider targeting mlir[1]. It fixes many problems you will have with llvm, and allows you to create language specific dialects and transformations. Impressive new work by a top-notch team led by LLVM creator Chris Lattner. It has LLVM as an optional target, so you get that for free.
For a parser, you should consider using tree-sitter[2]. Tree-sitter gives you live editor support for free. Impressive work by Max Brunsfeld.
Go to church, what have you got to lose? With all its problems every church is filled with nice people and I guarantee with a few calls (probably 1) you will find someone that will pick you up and take you. No matter how rural you are, there is a church close by.
I actually don't see why it shouldn't. As mentioned above, most churchgoers are nice people, and I can't conceive of anyone throwing the atheist out on grounds of “convert or leave”.
That's pretty wishful (or perhaps naïve) thinking. A family member of mine literary hasn't spoken to me in over two decades because I told her I didn't believe in god when I was 12. She asked me out of nowhere, I said no, that was it, I was no longer to be in her life in any capacity. She also tries to meddle in my business telling other people I am not to be trusted because "you can only trust someone who fears god."
Its been my experience that most people who are devout enough to go to church are exactly the "convert or leave" type. Church is a very tribal place.
Not to mention that the type of people who want to spend their time doing church activities are people I find horrifically boring and have ZERO common ground with. May be less so if you're male.
> That's pretty wishful (or perhaps naïve) thinking. A family member of mine literary hasn't spoken to me in over two decades because I told her I didn't believe in god when I was 12. She asked me out of nowhere, I said no, that was it, I was no longer to be in her life in any capacity. She also tries to meddle in my business telling other people I am not to be trusted because "you can only trust someone who fears god."
I'm afraid I'm tempted to dismiss this as anecdote. This is one personal experience. That seems quite personal. That seems far more family-related than church-related.
> Its been my experience that most people who are devout enough to go to church are exactly the "convert or leave" type. Church is a very tribal place.
Not around here. Feels weird to "defend" it, I can't even remember when I actually last attended a service.
> Not to mention that the type of people who want to spend their time doing church activities are people I find horrifically boring and have ZERO common ground with.
Can we agree on the fact this has nothing to do with the initial controversy that churches would be unwelcoming to atheists? This only describes atheists' (well, yours, but you seem to intend to represent a global viewpoint) likely aversion to churches.
> May be less so if you're male.
I wish we didn't live in a world where this came up so often, but ok, now I'm this deep in the debate I will bite: what's this got to do with anything? Personal/local trivia or something deeper?
I belong to one. My wife is a Christian and I am not. They do enthusiastically welcome me, which is consistent with what they should be doing in my opinion. Nobody pressures me to act in any way that I am uncomfortable with and rarely (only when I invite it) does anyone discuss my beliefs with me. I think that this church is unusual; they have a huge focus on being a "family". I would have never gone if not for my wife (it would be awkward), but it is very rewarding to me and I get to meet and befriend people who are very different from who I would meet otherwise (as a scientist/programmer type). It also provides many service opportunities and people to help.
It’s not the same as the paper for performance reasons. This is noted in the github README. Martin said on Software Engineering Daily late last year that Automerge was three orders of magnitude faster than his published version of the JSON CRDT.
This is my second time highly recommending a Software Engineering Daily podcast with Martin Kleppman on it. He is really smart and able to break down really complex topics in a way that's easy to understand. If you've never heard of CRDTs before, have a listen - https://softwareengineeringdaily.com/2017/12/08/decentralize...
"After the age of forty, all of us, even the athletic, lose about eight per cent of our muscle mass each decade, with a further fifteen-per-cent decline between the ages of seventy and eighty. "
This has not been my experience. I have added pretty substantial muscle mass between the ages of 48 and 55 with fairly conventional weight lifting and diet with no PED's. My back squat has gone from 185 to 385 (pounds)and my deadlift from 265 to 465. 40 seems way too early to start packing it in.
You're misinterpreting the statement. It is obviously not claiming that muscle mass follows a specific trajectory regardless of all other factors. It is claiming that muscle mass follows a statistical trajectory holding other factors constant.
It's as if someone said that a car coasting to a stop slows by roughly 1% of speed every second and you tried to refute this by pointing out that if you hit the accelerator it goes faster.
This metric is without targeted anaerobic exercise like weightlifting. Decreases in hormones and neurotransmitters result in the body maintaining less muscle mass, even with aerobic exercise.
As far as I know, there really isn't too much risk associated with hormone replacement therapy. If you add that into the mix, I'd be surprised to see any significant shifts over the human lifespan.
So as far as I understand, the answer to that is really "it depends". I'm not a doctor, I just find this stuff interesting. If you do it properly, I think you can supplement things like testosterone in a sustainable way, you'll have to cycle on and off the drugs to prevent long term damage to your body's ability to produce endogenous hormones, and then you'll take things that decrease side effects of the doping.
For example, a lot of fighters get caught taking drugs that decrease the estrogen production in the body, rather than actually getting caught taking steroids. Leagues ban steroids AND things that are used in coordination with steroids to increase the ability to enforce the steroid ban.
Now, I would argue that even if it does cause a long term dependency, it should be viewed, for the average person, the same way heart pressure medication is viewed. You have a medical condition, and this is a prescription you'll take for the rest of your life, but it will make you live a longer, healthier life.
No, I _started_ lifting seriously at 48. I was objecting to the observation that loss of muscle was inevitable after 40 "even the athletic". Its not. That doesn't address the value or danger of GW501516 since I didn't use.
Most of the people using this drug are using it with more serious exercise than I'm doing. In practice its being used as an exercise supplement, not replacement.
I'm assuming he means that's when he started with the weight training.
I'm 52, and recently started a strength/interval training regimen. In just a few weeks, I've increased my resistance loads 25-50%, and I'm losing a steady 1.5 pounds per week or so without a drastic diet change. It's a lot easier to control my eating now, too.
2x improvement just depends on where you start in relation to where you have been. If you haven't lifted legs heavily for a while you'll have to start lower but you'll quickly regain that lost grown. Well, you'll regain the lost ground faster than you'll go up past your old max.
The regimen isn't really the amount of weight involved. It's how often you do it, how many reps, etc. For example, I'm doing interval training - something like, say, 10 chest presses, 10 lateral pulls, 30 seconds of crunches, and repeat this cycle three times. Then go to the next cycle, which might be something like incline pushups, bicep curls, and squats, again 3x.
If I were to change to, say, 5 reps at maximum weight just one time(heavy strength train), that would be a change in regimen.
That’s not a lifting regimen. You don’t need crunches if you’re doing heavy squats or deadlifts. You don’t need bicep curls at all. And chest press must be balanced with barbell rows. As to how many reps, I only do 10 or more reps during warmup. From there on out it’s 5 reps per set or so, and at the end I do a few heavy singles at about 85-90% of PR.
That is a lifting regimen; it's just not your lifting regimen. While mine has generally been more like what you're talking about, there's nothing wrong with people doing that kind of interval training.
Curls and crunches often give normal people better aesthetics than they had before. Some people want a 4/5/6 bench/squat/dead, other people want to look slightly better at the beach without utterly killing themselves in the gym. I know a couple order of magnitude more people with good aesthetics who control their diet and do a relatively candy-ass workout vs those rare powerlifting dudes who never do any ab work yet have abs visible through their squat suits.
I'm doing barbell rows as well. I typically do four sets of three different exercises each (plus warmup and cooldown), so I'll do 12 different exercises over the course of a workout, and what those 12 are vary somewhat week to week. It's typically about 2/3 weights, 1/3 bodyweight exercises.
It's lifting, it's a regimen, so it's a lifting regimen. And it's been very effective at quickly adding strength, endurance, and flexibility to my initially bad starting position.
Don't assume your way of doing things is the only way to do things.
Congrats on the gains! Though of course you are just an anecdote. But I'm curious how much of this muscle mass loss is due to biological changes vs lifestyle changes.
Yeah. The article's sentence also fails to account for people dying, who lose much more than 8% of muscle mass, and really stupid robots reading the article, who lose none of their muscle mass, but will have trouble understanding that, sometimes, language is ambiguous and requires a modicum of contextual reasoning, or else every sentence would require dozens of qualifications and would read like a regulation on insurance law.
I think my exercise and physiology textbook stated an age related decline in muscle mass happens in everyone after about 40 without a concerted program of strength training to stave it off.
That certainly sounds more credible. I encourage all the HN'ers north of 40 to try weightlifting. We have members older than myself seeing good results.
This holds for bodybuilding, too, though that is admittedly a very subjective (appearance-based) sport compared to powerlifting where there are real numbers by which to compare everyone. Dexter Jackson placed 4th at this year's Mr. Olympia at age 47.
Another reason for Small Investors to stay away is the senseless tax hassle. I didn't invest because I had any ambition to get wealthy, I just wanted to "give back" and help some ambitious young entrepreneurs get started. Now I'm filing complicated tax forms for money I'll never see because those young companies made 10$ in interest from the money sitting in a bank.
The Spanner design seems more resilient in the face of server failures. The initial Calvin papers call for taking the entire replica offline if a single server in the replica fails. Are there more advanced versions of Calvin that get around this?
Yes --- the current version of Calvin (in the Yale research group) does not have this limitation. We're actually not sure which paper you're talking about, but either way, it's not fundamental to the Calvin approach. In general, if a single server in a replica fails, the other servers within the replica that need data from the failed server can access that data from one of the replicas of the failed server. (We can't speak for FaunaDB, but like the current version of Calvin, it is unlikely they have this limitation.)
My understanding was that the replica would go down in order to recover the failed server. This was a side effect of the way snapshots and command logging worked. You couldn't just restore the snapshot on the failed node because the multipartition commands would have to execute against the entire replica. Instead you would restore the snapshot on every node, and roll forward the entire replica.
Yes. For log data, it's simply a matter of reading from a replica peer of the down node.
For transaction resolution it's a bit easier if you are able to assume more about the storage layer's semantics.
For example, if you store versioned values for some bounded period of time (ala MVCC), you can go to other replicas for the version required to resolve a transaction, removing the restriction that transaction resolution must proceed in lock-step across all nodes, and allows transaction reads to route to live peers assuming they have the required version of each read dependency.
