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We were stuck on an “old” version of xcode in the build servers. This hasn’t been a big deal for most features but in some cases we are running into issues e.g. in using the full capabilities of the new iPad or 3d touch. The reason for this is Apple’s backwards compatibility policy. Apple allows you to run an older version of xcode, but the newer versions of xcode always require the latest version of Mac OS X. The problem here is th..
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Everyone who writes for a living will eventually write about themselves. It's almost a natural law. Heck, someone else has probably thought of a name for it. (Hint: it starts with an 'N'.)So why this piece?
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Ho appena pubblicato su NuGet l’ultimo aggiornamento di FatturaElettronicaPA , il package .NET per la compilazione e convalida delle fatture elettroniche per la Pubblica Amministrazione. Si tratta della versione 0.2.1 che fa proprie le novità annunciate il 9 Maggio scorso: A partire dal 9 maggio 2016 sono introdotti nuovi controlli sui file trasmessi al Sistema di Interscambio. Per consentire il necessario adeguamento al nuovo regime..
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ppx_core: context-free rewriters for better semantics and faster compilation
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blog.janestreet.com
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10 years ago
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eng
At Jane Street, we have always been heavy users of pre-processors, first with camlp4 and now ppx. Pre-processing makes the infrastructure a bit more complex, but it save us a lot of time by taking care of a lot of tedious boilerplate code and in some case makes the code a bit prettier.
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ppx_core: context-free rewriters for better semantics and faster compilation
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blog.janestreet.com
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10 years ago
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eng
At Jane Street, we have always been heavy users of pre-processors, first with camlp4 and now ppx. Pre-processing makes the infrastructure a bit more complex, but it save us a lot of time by taking care of a lot of tedious boilerplate code and in some case makes the code a bit prettier.
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Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use SystemD’s existing knowledge of all the enabled services? Thanks to ‘Kbyte’ who made a simple Nagios plugin to do just this! Requirements Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyN..
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Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding, and import it into a UTF8 encoded database. Requirements: Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyNagSystemD The Problem PostreSQL will generate errors like this if it encounters any non-UTF8 byte-sequences during a dat....
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Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use SystemD’s existing knowledge of all the enabled services? Thanks to ‘Kbyte’ who made a simple Nagios plugin to do just this! Requirements Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyN..
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Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding, and import it into a UTF8 encoded database. Requirements: Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyNagSystemD The Problem PostreSQL will generate errors like this if it encounters any non-UTF8 byte-sequences during a dat....
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Ho appena pubblicato su NuGet l’ultimo aggiornamento di FatturaElettronicaPA , il package .NET per la compilazione e convalida delle fatture elettroniche per la Pubblica Amministrazione. Si tratta della versione 0.2.1 che fa proprie le novità annunciate il 9 Maggio scorso: A partire dal 9 maggio 2016 sono introdotti nuovi controlli sui file trasmessi al Sistema di Interscambio. Per consentire il necessario adeguamento al nuovo regime..
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Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use SystemD’s existing knowledge of all the enabled services? Thanks to ‘Kbyte’ who made a simple Nagios plugin to do just this! Requirements Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyN..
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Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding, and import it into a UTF8 encoded database. Requirements: Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyNagSystemD The Problem PostreSQL will generate errors like this if it encounters any non-UTF8 byte-sequences during a dat....
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Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use SystemD’s existing knowledge of all the enabled services? Thanks to ‘Kbyte’ who made a simple Nagios plugin to do just this! Requirements Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyN..
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Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding, and import it into a UTF8 encoded database. Requirements: Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyNagSystemD The Problem PostreSQL will generate errors like this if it encounters any non-UTF8 byte-sequences during a dat....
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Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use SystemD’s existing knowledge of all the enabled services? Thanks to ‘Kbyte’ who made a simple Nagios plugin to do just this! Requirements Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyN..
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Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding, and import it into a UTF8 encoded database. Requirements: Python3 (For RHEL/CentOS 7 yum install python34) python-nagiosplugin My pre-built RPMs or pip3 install nagiosplugin PyNagSystemD The Problem PostreSQL will generate errors like this if it encounters any non-UTF8 byte-sequences during a dat....
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Why we still recommend Signal over WhatsApp ...even though they both use end-to-end encryption
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securityinabox.org
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10 years ago
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eng
If you're using the latest version of WhatsApp, then you might have noticed the following notification: WhatsApp Crypto message Or you might have read about this when it was all over the news . WhatsApp's collaboration with Open Whisper Systems recently brought end-to-end encryption to the lives of a billion people around the world. (Open Whisper Systems develops Signal, an open source mobile messaging and VoIP app.) When WhatsA....
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PropertyCross is one of our newer demos, due to that there was relatively very little work needed to modernize it and this resulted in a stunning improvement over the existing demo. During that process we also discovered a small regression due to changes in the web service we relied on. Check the live version running on the right hand side thanks to the power of the Codename One JavaScript port!
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The number one most important thing you can do in software development. Always leave the code base cleaner than when you found it. Always…
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The number one most important thing you can do in software development. Always leave the code base cleaner than when you found it. Always…
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Sticky headers was one of the first big requests we said no to. Back in the day a lot of people asked for it but we always shot it down because it was too hard to implement on top of our Swing inspired lists. This predated our Container improvement, InfiniteContainer and InfiniteScrollAdapter . While our preference for lists has waned we never got around to show how easy it is to do sticky headers with Container until last week..
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Me: Why is this report different to the one in production? SysAdmin: Dunno. I guess they must have fixed it production and forgot to check it back into source control. If I had a dollar for every time I’ve had that conversation I’d be a rich man. It is usually the result of some late-night troubleshooting and finally the system is working as expected and everyone goes to bed. But the next day, nobody remembers what exactly they changed..
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Me: Why is this report different to the one in production? SysAdmin: Dunno. I guess they must have fixed it production and forgot to check it back into source control. If I had a dollar for every time I’ve had that conversation I’d be a rich man. It is usually the result of some late-night troubleshooting and finally the system is working as expected and everyone goes to bed. But the next day, nobody remembers what exactly they changed..
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One of our support emails drew my attention to a glaring omission in our icon font support… When we create an icon for a Button it’s color matches the unselected color of the button which might not look as attractive when the Button is selected or pressed! The thing is that with an icon font this is trivial to accomplish and requires literally no code changes. So starting with the next update calling FontImage.setMaterialIcon(La..
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I find it fervently infuriating when someone uses the word passion and degrades it. They degrade the meaning of the word. Passion is the ultimate upgrade of the hobby, a cultivated curiosity. Something you're currently dedicating your life to. You diminish it when blurting that a person that doesn't spend any time outside the "obligatory work hours" on his passion, not even a thought, to be passionate. What is passion if it's not thinking a..
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At Cerner, we love Ruby and Rails and use it prominently in our cloud based solutions. When we found out RailsConf 2016 was going to be held in the hometown of Cerner’s headquarters in Kansas City, Missouri, we were excited for the opportunity to support the conference by attending as well as being a sponsor and hosting one of the official after parties. RailsConf 2016 took place in the heart of downtown Kansas City.
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This post for Smashing Magazine looks at one of the most popular image effects, grayscale, to compare its implementation in HTML canvas, SVG, CSS filters, and CSS blend modes.
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This is the story of my involvement with Fine Uploader, how it changed my life, how it affected those around me and my peers at Widen, and how I hope it can continue to have a positive net effect on the open source community and individual developers.
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Last week, over 72 companies demonstrated their approaches at Finovate Spring 2016. As VC funding slows down, entrepreneurs and intrapreneurs are now focused on incremental improvements instead of transformational game-changers. What's next for fintech?
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It’s been quite a busy week with many changes and updates, some of those were in line for a couple of tools we plan to introduce over the next few weeks. This week I also placed an interesting thread from the discussion group. Normally I try to keep this focused on stackoverflow but if a good thread comes up in the discussion group that raises an interesting topic I think this is a good place for it too.
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Today I turn 31. Before the day is through, I'll have ended up celebrating with family and coworkers. And Bash, because as it turns out, Bash can be a bit festive. I find most default Bash prompts to be rather boring. Sure, they vary from platform to platform, but they all seem a little too lite on info that I care about. A few years ago I decided to liven it up a bit.
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Agile Data Warehousing and Business Intelligence in Action
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www.thoughtworks.com
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10 years ago
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eng
Very often the construction of a Data Warehousing / Business Intelligence (DW / BI) system is performed following the flow of traditional engineering: analysis, design, construction, testing and implementation. Communication between developers and people interested in the business is almost nonexistent, and developers are interested in technologies for working with data but often neglect to ask this most important question: "What business q..
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We’re all pretty jaded when it comes to software but when I first saw yHomework I was completely floored by it! Where was this tool when I was in junior high? If you haven’t seen yHomework in action I suggest you give it a try right now on your Android or iOS device . In a nutshell the app accepts several types of math equations starting with the basic algebra e.g 3(x+5)=6 and then shows you the process of solving it as if ..
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In high school I did well in math competitions and even qualified for the national team. Part of the reason was that I spend a bunch of time on my own solving math problems. It didn’t feel like a compulsory work. Instead, it was often a compulsive behavior for me. I was often unable to un-glue myself from the math problem at hand. When I saw a good problem, I attempted to solve it. The easier ones I could solve quickly. But some of them....
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One of the often requested features in Codename One is zip support, we had some issues with it until a couple of years back when we added tar and gzip support. But people still asked for standard zip file support which was missing. We’re working on a tool that we hope to share next week that needs zip to work. Initially we thought about doing this natively as zip works on most native OS’s but one of the true benefits of the tool is ..
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Singular Value Decomposition Part 2: Theorem, Proof, Algorithm
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www.jeremykun.com
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10 years ago
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eng
I’m just going to jump right into the definitions and rigor, so if you haven’t read the previous post motivating the singular value decomposition, go back and do that first. This post will be theorem, proof, algorithm, data. The data set we test on is a thousand-story CNN news data set. All of the data, code, and examples used in this post is in a github repository, as usual. We start with the best-approximating $ k$-dimensional linear subs..
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Singular Value Decomposition Part 2: Theorem, Proof, Algorithm
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www.jeremykun.com
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10 years ago
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eng
I’m just going to jump right into the definitions and rigor, so if you haven’t read the previous post motivating the singular value decomposition, go back and do that first. This post will be theorem, proof, algorithm, data. The data set we test on is a thousand-story CNN news data set. All of the data, code, and examples used in this post is in a github repository, as usual. We start with the best-approximating $ k$-dimensional linear subs..
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