RSA is an algorithm used by modern computers to encrypt and decrypt messages. It is an asymmetric cryptographic algorithm. Asymmetric means that there are two different keys. This is also called public key cryptography, because one of them can be given to everyone. The other key must be kept private. It is based on the … Continue reading How RSA public key encryption works
Author: Eric
The 4 Best S&P 500 Index Funds
The Standard & Poor's 500 Index (S&P 500) is an index of 500 of the largest U.S. companies, listed on the New York Stock Exchange or NASDAQ, selected by the Standard & Poor's Index Committee based on market capitalization. The S&P 500 Index is a widely recognized barometer of the U.S. equity market. S&P 500 … Continue reading The 4 Best S&P 500 Index Funds
How to Buy a Mutual Fund
Picking the right mutual funds is a lot like selecting the right kinds of stocks to purchase. Among the similar strategic rules of thumb: watch the fees, diversify your holdings to mitigate your risk and don’t chase performance — think long-term. Let’s start with diversification. If your company has a 401(k) plan, you probably have … Continue reading How to Buy a Mutual Fund
Craig Venter Mapped The Genome. Now He’s Trying To Decode Death
THE WORLD'S MOST EXTREME physical exam starts in the world's plushest exam room, complete with a couch, a private bathroom and a teeming fruit plate. It will be my home for an entire day. First come the blood tests, vial after vial. Then two 35-minute sessions in an MRI tube, where REM and U2 try … Continue reading Craig Venter Mapped The Genome. Now He’s Trying To Decode Death
Why Rails 4 Live Streaming is a big deal
TLDR: Rails Live Streaming allows Rails to compete with Node.js in the streaming arena. Streaming requires application servers to support either multi-threaded or evented I/O. Most Ruby application servers are not up for the job. Phusion Passenger Enterprise 4.0 (a Ruby app server) is to become hybrid multi-processed, multi-threaded and evented. This allows seamless support … Continue reading Why Rails 4 Live Streaming is a big deal
Where is Java used in Real World?
If you are a beginner and just started learning Java, you might be thinking where exactly Java is used? You don't see many games written in Java except Minecraft, desktop tools like Adobe Acrobat, Microsoft Office are not written in Java, neither is your operating systems like Linux or Windows, so where exactly people use … Continue reading Where is Java used in Real World?
Cron Jobs and Rails
Cron If you’re reading this article, it’s probably because you’ve heard of cron jobs, cron tasks, or crontab. Cron is a piece of software written for *nix-type operating systems to help with the scheduling of recurring tasks. You may want to use cron to schedule certain recurring actions in your Rails application, such as checking … Continue reading Cron Jobs and Rails
Linux Cron
Cron allows Linux and Unix users to run commands or scripts at a given date and time. You can schedule scripts to be executed periodically. Cron is one of the most useful tool in a Linux or UNIX like operating systems. It is usually used for sysadmin jobs such as backups or cleaning /tmp/ directories … Continue reading Linux Cron
Microsoft Bets That Bitcoin-Style Blockchains Will Be Big Business
Earlier this week a consortium of 11 giant banks including UBS and Credit Suisse announced that they had completed their first trial run of the idea of using software inspired by the digital currency Bitcoin to move assets around more efficiently. It was also a test of what Microsoft thinks could be a significant new … Continue reading Microsoft Bets That Bitcoin-Style Blockchains Will Be Big Business
Here’s Why Snapchat Might Actually Be Worth $20 Billion
Someone has to be the poster child for the "tech stocks are a bubble that's about to pop!" crowd, and Snapchat seems to be the one carrying that particular flag for a lot of people. That position was only reinforced with the news on Thursday that the video-sharing social network has raised $1.8 billion in … Continue reading Here’s Why Snapchat Might Actually Be Worth $20 Billion
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