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  Why TCP needs 3 handshakes

Prerequisite Knowledge First, let's look at the control bits and state machine of TCP, which form the basis for understanding the three-way handshake of TCP. TCP Packet Control Bits The control bits in the TCP packet header are used to control the status of the TCP connection and can indicate various control information such as connection establishment, termination, reset, etc. There are six common control bits: SYN (Synchronize Sequence Numbers): Requests to establish a connection (part of the...

   REASON,NETWORK,TCP,EXPLANATION,HANDSHAKE     2024-09-28 08:57:52

  How To Find a Great Start-Up Idea

Most people believe that the first step to starting a new company is to have a great idea. Back in business school, there were countless “idea brainstorming” sessions where groups of students would try to come up with the next billion dollar idea. None of them ever turned into anything.Great businesses are not built on ideas for marginal improvements or incremental features, they solve real problems and require a deep understanding of what those problems are. So the absolute worst th...

   Startup idea,Implement,Quickness     2012-03-18 00:26:22

  Python Performance Tips, Part 1

To read the Zen of Python, type import this in your Python interpreter. A sharp reader new to Python will notice the word “interpreter”, and realize that Python is another scripting language. “It must be slow!” No question about it: Python program does not run as fast or efficiently as compiled languages. Even Python advocates will tell you performance is the area that Python is not good for. However, YouTube has proven Python is capable of serving 40 million videos...

   Python,Performance,Efficiency,Tips     2012-02-14 10:50:22

  8 powerful Chrome extensions

Chrome is a powerful browser, one reason why it's so powerful is that it has abundant extensions. There are various extensions in Chrome Web Store. They can meet all kinds of needs you have and they are very easy to install as well. Here we share with you 8 powerful extensions on Chrome. All of them can be downloaded from Chrome Web Store Holmes A bookmark search tool, if you have lots of bookmarks and you even don't know where they are. Hplmes can help you find them in real time by matching tit...

   Chrome,extension     2013-07-31 01:24:18

  Why Do So Many Gifted Kids Think They Don't like Math?

Why do so many bright and gifted kids think they don't like math? Experience and the reading of lots of research leads me to believe that boredom, under-instruction and poor instruction throughout elementary and middle school lie behind the problem. My best girlfriend since high school is a math teacher north of Philly. We've talked about this a lot. She and I are both aware that our own math instruction lacked a lot. As I give IQ tests, too, I see something that I thought many people woul...

   Bright kids,Math,Hate,Gifted,Boring     2011-12-06 09:00:49

  Why programmers work at night

A popular saying goes that Programmers are machines that turn caffeine into code. And sure enough, ask a random programmer when they do their best work and there’s a high chance they will admit to a lot of late nights. Some earlier, some later. A popular trend is to get up at 4am and get some work done before the day’s craziness begins. Others like going to bed at 4am. At the gist of all this is avoiding distractions. But you could just lock the door, what’s so special a...

   Programmer,Sleep,Later,Efficiency,Habit     2011-12-16 10:13:27

  Microsoft launched Office Store

Microsoft launched Office Store, with the intention to build an application platform for Office. The Office Store, is an Office application platform that allows third-party developers to build Office-related applications, used to enhance the functionality and usability of the Office.Microsoft Office product manager, said: "The launch of the Office Store based on three considerations: integration, simplicity and developer opportunity. Integration refers to that we hope to help users bring some we...

   Microsoft Office,Office Store     2012-08-07 13:46:02

  Open Source (Almost) Everything

When Chris and I first started working on GitHub in late 2007, we split the work into two parts. Chris worked on the Rails app and I worked on Grit, the first ever Git bindings for Ruby. After six months of development, Grit had become complete enough to power GitHub during our public launch of the site and we were faced with an interesting question:Should we open source Grit or keep it proprietary?Keeping it private would provide a higher hurdle for competing Ruby-based Git hosting sites, givin...

   Open source,Benefits,Popularity,Advertisement,Advantage     2011-11-23 07:58:15

  Pinterest announces open registration

Pinterest is on-line for two years. During these two years, it gains big growth, but it needs invitation before you can register on Pinterest. Now Pinterest announces open registration, it means that anyone can register on Pinterest with emails, Facebook or Twitter accounts, no need to get invitation from others. In its official blog, Pinterest says: We’re really excited to have the capacity to offer Pinterest to more people and if you’re a Pinner with friends who’ve been wait...

   Pinterest,Social,Open registration     2012-08-09 01:56:23

  Please Steal These webOS Features

When Apple introduced the first iPad in 2010, I bought one immediately. I didn’t know what I’d use it for, but I was sure that I would find some use for it. I never did. I played around with it, wrote some code for it, but eventually stopped using it. I would pick it up from time to time to read something or watch a YouTube movie, but even that was a rare occurrence. I have since picked up an iPad 2, and I’m using it a lot more than the first iPad, but again, I’...

   WebOS,Feature,HP,borrow     2012-02-22 05:45:49

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