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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,031 posts.
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Go enjoy Python3
Given a string, get a truncated string of length up to 12. The task is ambiguous, as it doesn't say anything about whether or not 12 shou...
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Tagged Pointer Strings
Tagged pointers are an interesting technology used to increase performance and reduce memory usage. As of OS X 10.10, NSString got the tagged pointer treatment, and today I'm going to take a look at how it works, a topic suggested by Ken Ferry.
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Getting started with Meteor and React
A mid-depth cap with classic style for any occasion, this Nike Club Cap comes in smooth cotton twill that's been softly washed for casual, daily comfort. Soft and unstructured, the precurved bill makes for easy styling, and the adjustable back-strap lets you find the right fit. Nike Hat Size 6 1/2 6 5/8 6 3/4 6 7/8 7…
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LLVM Code Generation in HHVM
One of the most common questions we get about HHVM is why we don’t use LLVM for code generation. The primary reason has always been that while LLVM is great ...
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Small Introduction to Markov Chains
Introduction A Markov Chain is a set of transitions from one state to the next; Such that the transition from the current state to the next depends only on the current state, the previous and future states do not effect the probability of the transition. A transitions independence from future and past sates is called…
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Python is the new BASIC
The above is the Hello World program for Java, arguably one of the most popular programming languages. Encapsulated in the above three lines are several different concepts ranging from static functions to return types to stdout and to the entirety of object oriented programming in general.
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Don't test with SQLite when you use Postgres in Production
Yesterday, I was looking for some help trying to have a clean way to roll back database transactions at the end of a test in a Python TestC...
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Frameworks are for hacks, libraries for seeds
I find that I operate in one of two modes when I’m writing software. I’m either approaching a project as a quick hack or as developing software . As much as anything else, this affects how I approach the project and what kinds of results that I get.
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The Simulated Annealing Algorithm
Simulated annealing is a method for finding a good (not necessarily perfect) solution to an optimization problem. If you're in a situation where you want to maximize or minimize something, your problem can likely be tackled with simulated annealing.
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Self hosted C – breakdown
I did it. It wasn't easy, but I did it. My C Compiler can compile itself. Even though it still has holes in functionality and obvious bug...
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Signalfd is useless
UNIX (well, POSIX) signals are probably one of the worst parts of the UNIX API, and that’s a relatively high bar. A signal can be sent to your program at any point when it’s running, and you have to deal with it somehow. Traditionally, there are three ways …
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On Go, Portability, and System Interfaces
I've been noticing more and more lately that we have a plethora of libraries and programs written for Go, which don't work on one platform o...
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Functional-navigational programming in Clojure with Specter
In February I open-sourced a library called Specter , and in my own work it has become by far my m...
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Discovering the Computer Science Behind Postgres Indexes
Optimize continuous delivery with these Jenkins best practices, including pipeline as code, parallel stages, scripted pipeline syntax, and more.
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Shutting Down a Service with 500M Requests per Month
This week I finished shutting down my app-detection service, iHasApp . I disabled the signup forms, grandfathered the current users on their plans, sent out emails, and updated the landing page with a message to any new visitors. After all of this, I thought it might be interesting to chronicle what it was, how it…
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C++ concepts support merged into GCC trunk
This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project .