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For better or worse — better in my opinion, but clearly worse if you looked at my bank statement — money has always been nothing more than the means to an end for me, and not a goal in and of itself. I want to have a good job where I can work hard and receive appropriate compensation after a job well done, but outside of a safety net should said job fall through, a costly, once in a lifetime opportunity arise, or an unexpected bill arrive i....
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Our universe is comprised of a seemingly infinite number of rules ranging from little tidbits like magnetism and inertia, to the unchangable truths of buyer's remorse and Steam downtime occurring on a weekend. Still, there is another rule that seems to be more faithful than gravity itself: given ‘n’ public facing IP addresses, you will receive ‘n+1’ requests for their allocation. Six IPs? I'll see your six IPs and raise you seven servers.
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Over the past week especially, there has been a fair bit of discussion devoted to podcasting’s so-called “Blogger moment”. In particular, John Gruber and Mike Monteiro discussed this on the latest episode of The Talk Show , and Myke Hurley and Casey Liss spent some time talking about it on CMD+SPACE 96: Not Many Original Thoughts, with Casey Liss as well. In a nutshell, the idea is that just as Blogger brought blogging to the masses in t..
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Graphs are among the most interesting and useful objects in mathematics. Any situation or idea that can be described by objects with connections is a graph, and one of the most prominent examples of a real-world graph that one can come up with is a social network. Recall, if you aren’t already familiar with this blog’s gentle introduction to graphs, that a graph $ G$ is defined by a set of vertices $ V$, and a set of edges $ E$, each of whi..
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Graphs are among the most interesting and useful objects in mathematics. Any situation or idea that can be described by objects with connections is a graph, and one of the most prominent examples of a real-world graph that one can come up with is a social network. Recall, if you aren’t already familiar with this blog’s gentle introduction to graphs, that a graph $ G$ is defined by a set of vertices $ V$, and a set of edges $ E$, each of whi..
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Graphs are among the most interesting and useful objects in mathematics. Any situation or idea that can be described by objects with connections is a graph, and one of the most prominent examples of a real-world graph that one can come up with is a social network. Recall, if you aren’t already familiar with this blog’s gentle introduction to graphs, that a graph $ G$ is defined by a set of vertices $ V$, and a set of edges $ E$, each of whi..
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At the intersection of science and fun-filled Friday nights you find neat tricks rooted in the former and potentially immensely helpful in the latter, such as this one. I still have a couple of years until I have to worry about this, but I might as well get ready now. Permalink.
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Moving VIM .swp Files Vim has this annoying habit of creating .swp files in your current working directory when you're editing a file. I found a better way (inspired by this stackoverflow thread). To change this, create three new folders to house all your .swp files... mkdir -p ~/.vim/{backup_files,swap_files,undo_files} Then add the following lines to your .vimrc file… set backupdir=~/.vim/backup_files// set directory=~/.vim/swap_files// s..
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Incredible video by Gary Turk teaching the value of living life outside of the narrow world within our smartphones, tablets, and laptops. Take a few minutes to watch this; I do not feel out of place saying that it just might change your life. Truly remarkable work. Permalink.
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Relative to last week’s , and compared to the week prior’s , another relatively short list this time around, unfortunately. But, as I have said before, volume and quality are rarely linked: I will never pad these out with shows of dubious value just to reach an arbitrary length. This is a curated list of the best podcasts I discovered within the last week, and so it will forever remain. Permalink.
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Combining Bloom Filter Offloading and Storage Indexes on Exadata
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tanelpoder.com
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12 years ago
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eng
Here’s a little known feature of Exadata – you can use a Bloom filter computed from a join column of a table to skip disk I/Os against another table it is joined to. This not the same as the Bloom filtering of the datablock contents in Exadata storage cells, but rather avoiding reading in some storage regions from the disks completely. So, you can use storage indexes to skip I/Os against your large fact table, based on a bloom fil....
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Combining Bloom Filter Offloading and Storage Indexes on Exadata
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tanelpoder.com
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12 years ago
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eng
Here’s a little known feature of Exadata – you can use a Bloom filter computed from a join column of a table to skip disk I/Os against another table it is joined to. This not the same as the Bloom filtering of the datablock contents in Exadata storage cells, but rather avoiding reading in some storage regions from the disks completely. So, you can use storage indexes to skip I/Os against your large fact table, based on a bloom fil....
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Although I don’t watch television, I’ve been watching the episodes of The Goldbergs online because it’s absolutely hilarious and I relate to a lot of the stuff in it from my own childhood experiences. The final episode of season 1 was this week, and it starts off by talking about how the father never bragged about past events (no matter how cool), and would occasionally say something that totally made you think you knew nothing about him ;..
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Although I don’t watch television, I’ve been watching the episodes of The Goldbergs online because it’s absolutely hilarious and I relate to a lot of the stuff in it from my own childhood experiences. The final episode of season 1 was this week, and it starts off by talking about how the father never bragged about past events (no matter how cool), and would occasionally say something that totally made you think you knew nothing about him ;..
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There are many subtle joys associated with working almost exclusively in the command line all day: tab completion, a simple interface, and unix pipes . Like general command-line mastery, learning how to wrest unix pipes to your best advantage can translate into a wide variety of benefits. Don't get me wrong, when you need a scripting language, use a fully fledged scripting language – bash isn't going to juggle diverse data types and c....
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A MadJS meetup presentation with live coding. I talk about and show you how to make use of the most interesting portions of the W3C File API, including image and video file dropping & processing. Part 1 of 2.
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A MadJS meetup presentation with live coding. I talk about and show you how to make use of the most interesting portions of the W3C File API, including image and video file dropping & processing. Part 2 of 2.
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As some of you may know, Lemma has an interactive dialogue system that lets you exchange text messages with an AI character. I implemented every conversation manually in code (well, scripts ) until this week, when I got fed up and decided to automate the process! Like the last article in this series , my system has all the hallmarks of a Poor Man's solution: developed in-house, tailor-made, simple, and based on free and open so..
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As a Feed Wrangler subscriber myself, I’m glad to hear that this has not only become a profitable and sustainable business for David Smith, but an intellectually fulfilling one as well full of many more potential avenues of exploration. Feed Wrangler is right now at the cusp of its Instapaper 4 moment, right after Marco Arment sold the service to Betaworks: very much in need of improvements that it will undoubtedly receive in short order an..
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A lot’s happened with Gastropoda over the last few days, but progress on new features has slowed down because I’ve started working slightly differently. Instead of just porting everything from the JS version as quickly as possible I’ve started prototyping features and then going back and improving the implementation after each new thing is in. I get pretty impatient wanting to move on to the next feature as fast as possible, but taking the ..
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Yes — I agree with everything in this article from Sid O’Neill, from the lessons that ought to be applied generously when driving during the winter to the appropriate etiquette on the internet. We could all benefit from slowing down a little and realizing that everyone else has as many problems as we do, and that completely disregarding the validity of another’s existence, much less the validity of the challenges they face every single day,..
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There are two types of background tasks that you'd want to use in .NET. Long running tasks which include things like background services…
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There must be something in the water — over the last few months, a surprising number of writers have gone independent, each with varying degrees of success: first Brett Terpstra , then Matt Gemmell , followed by Sid O’Neill and Ben Thompson soon after. Personally, I think this is wonderful: these great writers have left their distracting nine-to-five jobs to focus on the thing they love and that I love to read; fantastic. However, two..
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Late last month, Federico Viticci wrote a great article about his iOS 8 wishes. I agreed with some of his suggestions, disagreed with the necessity a few, and consider still others a bit too niche for Apple to have focused much time and energy, if any, on over the last twelve months. By the end of his piece, I had decided to write out my own list in preparation for WWDC, as we all begin to turn our attention towards the impending unveiling ..
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Das Bandtagebuch verabschiedet sich mit einer Auslandsreise. In der letzten Folge zeigen wir dir ein paar Begriffe, die unterwegs im Ausland nützlich sind.
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Das Bandtagebuch verabschiedet sich mit einer Auslandsreise. In der letzten Folge zeigen wir dir ein paar Begriffe, die unterwegs im Ausland nützlich sind.
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In dieser Folge kannst du EINSHOCH6 bei einem Konzert begleiten. Dabei lernst du einige Vokabeln aus der Jugendsprache, die auf einem Konzert zu hören sind.
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In dieser Folge kannst du EINSHOCH6 bei einem Konzert begleiten. Dabei lernst du einige Vokabeln aus der Jugendsprache, die auf einem Konzert zu hören sind.
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Kühe, Bauern und die Alpen vor der Tür: Wie sieht das Leben auf einer Alm aus? Welche bairischen Begriffe und Redewendungen benutzt man dort traditionell?
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Kühe, Bauern und die Alpen vor der Tür: Wie sieht das Leben auf einer Alm aus? Welche bairischen Begriffe und Redewendungen benutzt man dort traditionell?
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Warst du schon mal segeln? Aus welchen Teilen besteht ein Segelboot? Wie steuert man und welche Redewendungen kennst du aus der Seemannssprache? Leinen los!
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Warst du schon mal segeln? Aus welchen Teilen besteht ein Segelboot? Wie steuert man und welche Redewendungen kennst du aus der Seemannssprache? Leinen los!
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After getting an intense look at Docker last night, I firmly believe that it is going to be the most disruptive server technology that we've seen in the last few years. It fills a much needed hole that's currently managed by very expensive solutions and it's being actively funded by some of the biggest players in the market.
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After getting an intense look at Docker last night, I firmly believe that it is going to be the most disruptive server technology that we've seen in the last few years. It fills a much needed hole that's currently managed by very expensive solutions and it's being actively funded by some of the biggest players in the market.
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Nick Hayden's impossible list of life goals spanning fitness, travel, career, and personal challenges with progress updates
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Nick Hayden's impossible list of life goals spanning fitness, travel, career, and personal challenges with progress updates
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Analyzing S3 and CloudFront Access Logs with AWS RedShift
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techblog.thescore.com
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12 years ago
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eng
pIt#39;s not really a surprise that we deal with fairly high volumes of user traffic at theScore. We use AWS for pretty much all of our hosting needs and their two object distribution services - CloudFront and S3 - are two of the most heavily used offerings in our environment. S3 provides file storage for essentially unlimited data, split across as many quot;bucketsquot; as you would like to create. Separate from that is CloudFront, which i....
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Vagrant has become the de facto tool for devops . Faster iterations, clean environments, and less overhead. This isn’t an article about why you should use Vagrant. This is an article about how to get up and running with Vagrant on Fedora with libvirt easily ! Background : This article is an update of my original Vagrant on Fedora with libvirt article. There is still lots of good information in that article, but this one sh..
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Vagrant has become the de facto tool for devops . Faster iterations, clean environments, and less overhead. This isn’t an article about why you should use Vagrant. This is an article about how to get up and running with Vagrant on Fedora with libvirt easily ! Background : This article is an update of my original Vagrant on Fedora with libvirt article. There is still lots of good information in that article, but this one sh..
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Incredible words from Rohan Anderson on living a meaningful life. In particular, those of his fifth paragraph struck me especially hard. I was sorely tempted to extract the relevant paragraph and paste it below, but I will not deprive him of the credit he so deserves for writing this piece. I sincerely hope you will go check it out. Permalink.
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