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Anatoly Krivitsky

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Top Stories by Anatoly Krivitsky

There is a market from which a history of computers began - a market of numerical simulations for scientific and engineering applications. Note that these applications usually deal with a high number of mathematical calculations that are impossible without a computer. Historically, this was what provoked the computer's invention. Also, the main purpose of software for this market is to provide results in a reasonable amount of time. Despite a long history, this market is alive and well, and it will be for the foreseeable future. Consider, for instance, the following fields of numerical simulations: steam turbines (which are core elements of most conventional and nuclear power plants that supply electricity), so-called "green energy" (wind, waves and solar energy) facilities, blood flow in the human body, elementary particles of which our universe consists, the unive... (more)

The Best of Both Worlds

These days the size of almost all the resources available to a programmer (memory volume, CPU speed, etc.) are on the rise except for one: the time required to complete a project, which is shrinking. So it's important to work with tools that are convenient and make you productive. It's also important to keep the cost of software development in check by keeping as much as possible of the investments that were already made. Windows - and currently XP Home and Professional are the most widespread versions - has a huge number of installed copies that can be measured in the hundreds ... (more)

The 'Best of Both Worlds': Running Fedora 8 on Legacy Windows XP

One of the beauties of Linux from a business point of view is that it doesn’t require the “latest and greatest” hardware to run properly. This means you can increase the return on investments (ROI) for legacy hardware. As I’ll show in this article, as in the case with virtualization, the “latest and greatest” software is not required either. Consider the following example. Back in 2005 I purchased (as did many other businesses) a P4 3.4 GHz laptop with 1 GB RAM and 120 GB hard disc drive (HDD) under Windows XP Pro SP2 (throughout the article I ... (more)

Using Ext JS, Servlets, JSON, MySQL and Tomcat on Fedora

Java Developer Magazine on Ulitzer These days the popularity of Ext JS (a JavaScript library) is gaining momentum. One of the most popular widgets within Ext JS is the DataGrid. The reason - displaying data from a database is one of the most common tasks of a web application. "Out of the box" the DataGrid has functionality (for instance, ascending or descending sorting and reordering of columns by dragging it) that otherwise would require some effort from developers. Another attractive feature of the DataGrid is that it can use JSON (JavaScript Object Notation), which allows you... (more)

Running Fedora Core 5 Under Windows XP - Tips and Tricks

For one thing XP is extremely widespread and your clients and/or users probably have it installed on theirs PCs. In fact, most PCs come with XP pre-installed. And makers of peripheral devices and high-speed Internet providers adapt their products and services to work with XP. In most cases it's enough to simply plug a peripheral into an XP computer or to subscribe to a high-speed Internet service to start use it immediately. For many IT professionals it makes sense to work with both Windows XP and Linux. On the other hand, Linux is stable and the Linux community provides you with... (more)