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  Google engineer: What I learned in the war

Veteran's Day is an ideal time to hear from one of those rare folks who combine corporate and military careers. Dan Cross, a software engineer at Google (GOOG) and a 1st Lieutenant in the U.S. Marine Corps, took a leave to serve active duty in Afghanistan, came home a year ago, and brought back lessons that he couldn't have learned in business. While he had never seen himself as the military type until a personal tragedy made him reroute his career, he's a better man for it. Cross, 34, is now an...

   Military,Marine,Google,Engineer,Lessons,Teamwork     2011-11-12 10:36:03

  Understand Virtual DOM

With the popularity of React, the internals and implementation of Virtual DOM has becoming top discussed topic in tech communities and interviews. This post will give an introduction of Virtual DOM and how to implement a simple Virtual DOM logic. How to understand Virtual DOM In early days, front end developers would update a webpage view based on the data status change(usually after making AJAX call). But it brings performance penalties when there is frequent update as it would cause page reflo...

   JAVASCRIPT,DOM,VIRTUAL DOM     2019-12-07 23:43:04

  Do you really understand C? 21st International Obfuscated C Code Contest winning entries

The 21st International Obfuscated C Code Contest(IOCCC) officially launched the winning source code. IOCCC requires contestants to write the most creative and the most obfuscated C codes with the size limited to 4kb and less Work of each participant is impressive. The winners, including one French, one Korean, five Americans, one Belgian, one Israeli, one British, four Japanese and one Chinese. Here we list some codes: Best short program Seonghoon Kang  from Korea- Decodes spelled out ...

   C,Obsfucation contest     2012-10-25 12:26:55

  PHP sucks (but, some frameworks don't)

I started web development with PHP, and I've decided I've had enough. Why? Keep reading.PHP (the language) sucks. There, I said it. 1029380128301928301823 GlobalsObject system hacked onC extension system sucksDocumentation sucks (read more; no, I'm not drunk)Has a terrible communityAll in all, designed by total idiots. You've probably heard this a ton of times before, but, here it is again. THERE ARE JUST WAY TOO MANY GLOBALS. Why in the world does md5() need to be global? Do you serio...

   PHP,Sucks,Framework,Good,Bad Design     2011-11-20 07:08:16

  Becoming a Better Developer Part 3: Enjoy the Panorama

If you're trying to grow your startup you've come to the right place. Get my 170-page ebook on how to grow a startup and join thousands of self-funded entrepreneurs by subscribing to my newsletter at right. I’m writing this while sitting on a beach chair overlooking the Gulf of Guinea near Cape Coast in Ghana, West Africa. Although it’s slightly overcast the view is amazing, with whitewater stretching out in both directions as far as my laser-corrected eyes can see. Bein...

   Developer,Tips     2011-06-29 08:41:33

  Automatically Updating Charts for Additional Data in Excel

Excel shines at turning your data into charts—graphical representations of your data. You can easily create a chart based on a range of data in a worksheet. Normally, if you add additional data to your range, you will need to once again create the chart or at best change the range of cells on which the chart is based. If you get tired of modifying charts to refer to new data ranges, there are a couple of shortcuts you can try out. The first shortcut works fine if you simply need to...

   Excel,Graph,Auto update,New data,Automat     2011-08-13 04:36:53

  Redesigning the Technical Hiring Process

Since my last post on technical interviews, I’ve been fairly involved in hiring at Pulse as we grew our team from 6 people when I joined last November to 14 full-timers. In my previous post, I suggested that technical interviews, in the conventional sense, are not especially effective (by technical interviews, I mean the traditional 45 minute coding-at-a-whiteboard and algorithm puzzlers interviews). Those do a great job of telling you how well a candidate is at acing those types o...

   Career,Recruitment,Process,Developer,Ski     2011-09-14 12:01:37

  Get vs Post in HTML form

In HTML, one can specify two different submission methods for a form. The method is specified inside a FORM element, using the METHOD attribute. The difference between METHOD="GET" (the default) and METHOD="POST" is primarily defined in terms of form data encoding. The official recommendations say that "GET" should be used if and only if the form processing is idempotent, which typically means a pure query form. Generally it is advisabl...

   Get,Post,HTML,form,data submission     2011-05-10 11:12:04

  A Brief Guide to Voice Navigation and the Future of UX Design

Voice devices are now everywhere, whether you like them or not. Amazon's Alexa, Google's Assistant, and Apple's Siri have proved that voice interactions are not from science fiction films but part of our new reality. Just as touch screens, voice interaction with devices will completely revolutionize how we interact with our computers, smartphones, and watches (and even cars and houses) in the coming years. But you might ask yourself, why is it evolving at such a fast speed? Well, there are many ...

   UX DESIGN     2021-11-25 02:24:55

  Speed Hashing

A given hash uniquely represents a file, or any arbitrary collection of data. At least in theory. This is a 128-bit MD5 hash you're looking at above, so it can represent at most 2128 unique items, or 340 trillion trillion trillion. In reality the usable space is substantially less; you can start seeing significant collisions once you've filled half the space, but half of an impossibly large number is still impossibly large. Back in 2005, I wondered about the difference between a checksum and...

   Speed hashing,Security,MD5     2012-04-07 10:35:15

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