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Recently updated org-mode and started seeing an invalid function error: Error (use-package): ob :config: Invalid function: org-babel-header-args-safe-fn Just learned dired enables you to mark files and byte compile via M-x dired-do-byte-compile .
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We at HackerEarth regularly conduct 24-hours internal hackathons usually once a month to boost ourselves to get familiar with new technologies and to come up with great ideas and hacks to increase our productivity. A hackathon project can be anything from creating a new product to creating some tools which helps our own devlopment. In the hakathon in Dec 2015, I came up with the idea to create a profiler which could tell which code inside d....
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All numbers from VeloViewer - a couple of days are missing from here because I only recorded them on the Fitbit, not the Garmin, which means they don’t end up in Strava.) 37 activities, 251.97km, 40:20:14 elapsed, 36:52:10 moving, 2215m elevation (421m max) 3 rides, 29.38km, 2:15:23 elapsed, 1:57:43 moving, 108m elevation (54m max) 10 runs, 103.5km, 12:21:18 elapsed, 11:46:35 moving, 1077m elevation (421m max) 24 walks, 119.08km, 25:43:32 e..
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Yes! Survived! Finished! 31/31! Today was recovery from Cakeathon by way of cycling from St. Pancras to Peckham Rye (I got lost again) and then walking home from there. [Cycling] [Walking] (Janathon summary in the next post)
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We know that we can’t control the outcomes of sporting events or elections. Then why do we become so emotional over what we can’t control?
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Facebook recently announced the closing of parse.com which is disappointing but not totally surprising. Everyone knows a project from a large tech company can just shutdown in a blink of an eye leaving millions of users/developers in limbo. In that sense one of the questions that gets under my skin is what happens if Codename One calls it quits… You’d be better off than anyone who used parse and it’s far less likely to happen. Coden..
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A (hard) small (tiring) jaunt (hilly) around a country park. With an excellent goody bag… [Winter Cakeathon 2016]
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Hi. In this post I will share a git pre-commit hook I created for aiding with code beautification. In Linux, I work in two different coding styles: User space and Kernel. The Linux kernel has a very specific coding style and every commit to kernel must adhere to that style. The Linux kernel provides a […]
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When the new .net core reached RC it looked like the perfect time to start to port some of the Nuget packages I've made starting with…
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When the new .net core reached RC it looked like the perfect time to start to port some of the Nuget packages I've made starting with…
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I’ve discussed my homelessness on here before, but between my camping trip a few months back and my early retirement revelation , I now have a whole new lens to examine it under. Getting Nostalgic So let’s take it back more than 12,500 years: humans aren’t doing anything productive. We’re hunter-gatherers, we set up camp near wherever we think the food (berries, plants, and huntable animals) will be at. We build simple st..
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I’ve discussed my homelessness on here before, but between my camping trip a few months back and my early retirement revelation , I now have a whole new lens to examine it under. Getting Nostalgic So let’s take it back more than 12,500 years: humans aren’t doing anything productive. We’re hunter-gatherers, we set up camp near wherever we think the food (berries, plants, and huntable animals) will be at. We build simple st..
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Core UI principles that transcend frameworks and provide stability in a rapidly changing world of software engineering
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First bike ride of 2016. Obviously I got lost even though it was almost a straight line between Peckham and St. Pancras. But at least now I have some cycle miles for the year. [A jaunt on a Brompy]
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NSDictionary *dictionary = @{ @"key1" : @"val1\n", @"key2" : @"val2\n", @"key3" : @"val3\n", @"key4" : @"val4\n", @"key5" : @"val5\n", @"key6" : @"val6\n", }; NSError *error; NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionary options:0 error:&error]; if (error) { // noooooooooo! } NSString *json = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
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Today we launched a mobile website for homeless people … and it was launched by one of Australia’s many recent Prime Ministers Today alone we served up over 87,000 requests As many of you know, I work with Infoxchange as the operations lead. When I first heard the idea of a website or app for people that have found or are worried about finding themselves homeless in Australia I really didn’t think it made sense - until I saw t..
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Today we launched a mobile website for homeless people … and it was launched by one of Australia’s many recent Prime Ministers Today alone we served up over 87,000 requests As many of you know, I work with Infoxchange as the operations lead. When I first heard the idea of a website or app for people that have found or are worried about finding themselves homeless in Australia I really didn’t think it made sense - until I saw t..
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Today we launched a mobile website for homeless people … and it was launched by one of Australia’s many recent Prime Ministers Today alone we served up over 87,000 requests As many of you know, I work with Infoxchange as the operations lead. When I first heard the idea of a website or app for people that have found or are worried about finding themselves homeless in Australia I really didn’t think it made sense - until I saw t..
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Smart suggestions with Django, Elasticsearch and Haystack
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engineering.hackerearth.com
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10 years ago
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eng
Introduction One of the primary issues when gathering information from users is suggesting the right options that they are looking for. At HackerEarth, we gather information from all our developers which help us provide them a better experience. So there came a time when we had to suggest very smartly to our users! :D When humongous amounts of data has to be indexed and suggested intelligently, one of the efficient ways to do it is by us....
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Managing roles and access control in a web application
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engineering.hackerearth.com
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10 years ago
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eng
HackerEarth Recruit , is a platform for technical recruitment. Many companies use this platform for candidate assessments and interviewing. There can be multiple admins for a company account. As teams grow in size, access control is a special concern for applications that deal with financial and privacy data. Access control is concerned with determining the allowed activities of legitimate users, but we required more sophisticated and compl....
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We had implemented a javascript logger to capture the pesky issues our users faced and had problems when using the site. When we came up with the idea, we thought it would be just a five minute job where we would just have to add a snippet and would be done, but as it is well know, nothing is simple when it comes to real world production issues. After analyzing a lot of loggers, we decided to use errorception as our javascript logger. I....
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Whenever we roll out an improvement on our platform, we at HackerEarth love to conduct A/B tests on the improvement to understand which iteration helps our users more in using the platform in a better way. Since the available third party libraries did not quite meet our needs, we wrote our own A/B testing framework in Django. In this post we will share a few insights as to how we accomplished this. The basics A lot of products, especially....
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Today we launched a mobile website for homeless people … and it was launched by one of Australia’s many recent Prime Ministers Today alone we served up over 87,000 requests As many of you know, I work with Infoxchange as the operations lead. When I first heard the idea of a website or app for people that have found or are worried about finding themselves homeless in Australia I really didn’t think it made sense - until I saw t..
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Background Mobile Test Automation is increasingly becoming very important. Almost all web applications are responsive these days and it's very important to test how the application works across devices. The same is true with the native application as well. At the same time, the number of devices and the custom OS versions on devices are also vast. This means that it's harder for a tester to manually run the automated tests over a list of de..
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Three walks. Because I’m worth it. And also I didn’t plan my day off very well. [Picking up new art] [Thames wander] [Picking up new shoes]
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What being a PM is really like - Software is easy, People are hard
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www.craigkerstiens.com
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10 years ago
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eng
In recent months I’ve had the question nearly once a week about advice/tips for becoming a Product Manager or more commonly referred to as PM. These are generally coming from people that are either currently engineers, or previously were and are in some engineer/customer role such as a sales engineer or solution architect. There’s a number of high level pieces talking about PM and it often feels glorious, I mean you get to make product de....
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What being a PM is really like - Software is easy, People are hard
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www.craigkerstiens.com
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10 years ago
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eng
In recent months I’ve had the question nearly once a week about advice/tips for becoming a Product Manager or more commonly referred to as PM. These are generally coming from people that are either currently engineers, or previously were and are in some engineer/customer role such as a sales engineer or solution architect. There’s a number of high level pieces talking about PM and it often feels glorious, I mean you get to make product de....
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This is so cool I can hardly stand it. In Docker 1.10, the awesome libnetwork team added the ability to specify a specific IP for a container. If you want to see the pull request it’s here: docker/docker#19001 . I have a IP Block on OVH for my server with 16 extra public IPs. I totally use these for good and not for evil . But to use these previously with Docker containers meant hackery with the awesome pipework . Or even worse som..
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I’ve been working on a project that uses Fabric and I’m hosting Redis inside the cluster as a simple cache system. One of things that isn’t baked into Fabric is a pub/sub model for communicating between services about events that are occuring. As I’ve got the Redis instance up and running in the cluster I decided to take a look at using the Pub/Sub capabilities in Redis to make this happen. N.B Redis isn’t a guarenteed delivery so use ..
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