best open source data visualization software

Article title: The open-source software in October was brilliant. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In May October this y

Recently, I want to configure a Trac on my machine to manage my own small projects, but the results are disappointing. Trac depends on countless Python libraries and must be outdated Python2.4, however, my default installation of javastugutsy is Python2.5. It is really uncomfortable to install two python programs. Fortunately, when looking for the Trac dependency library, I found Redmine, an open-source pro

Asterisk 1 is an open-source telephony Application platform based on the GPLV2 protocol. To put it simply, this is a server-side program that handles dial-out, access, and custom processes for phones .A person uses phone A to call another person who uses phone B. In this scenario, there are two telephone terminals connected to the asterisk system, thus allocating two channels (1.2).Figure 1.2 Two channels r

I. IntroductionClam AntiVirus is a free anti-virus software based on UNIX/LINUX operating systems. It supports online updating of virus libraries.Features 1.11) GNU open-source software2) Fast Scanning3) It can detect 35000 types of viruses, including Microsoft Office documents and macro viruses.4) ability to detect compressed files (Zip RAR Tar Gzip Bzip2 ......

One-stop software, it will be a protracted war,1. Reservation System2, food and beverage front desk cashier system (fast food, Chinese food)3, Touch-screen ordering (Order treasure, IPAD) (a la carte treasure hardware development)4, Customer Information Maintenance system5. Membership Card System6. Guest Room Management System7, supermarket front desk cashier8, KTV front desk system (extension of a bit of song, etc.)9, store backstage (catering, guest

You may be familiar with virtual machine software such as VMware and Virtual PC. Virtualbox is a virtual system software developed by innotek, a German software company. It not only has rich features, but also has excellent performance. It is even more open-source and has be

Easter eggs hidden in open-source software-general Linux technology-Linux technology and application information. The following is a detailed description. Ryan Paul of Ars Technica summarizes the five most interesting Easter eggs hidden in open source

Open source software has many licenses (http://opensource.org/licenses), in the premise of free code, for the user's "return" There are three kinds: Only approved. It does not matter how the user uses, modifies, or applies the code for any commercial purpose, as long as it indicates the copyright party to which the code belongs when using (all or large excer

OTR protocol implementation vulnerability affects open source IM software such as Pidgin Many security instant chat tools, such as ChatSecure, Pidgin, Adium, and Kopete, use the Off-the-Record (OTR) Protocol to implement library libotr and discover a high-risk vulnerability, attackers can exploit this vulnerability to crash chat tools or remotely execute code,

I used to read "blue blood ten Jie" and told the story about how ten Harvard graduates saved the Ford Motor Company. Today, I am going to build an open-source software Shijie. No.1Naturally, the great RMS does not belong. Richard Stallman, founder of GNU, author of GCC and Emacs. The inventor of GPL. No. 2 Linux Fan's godfather, Linus Torvalds, founder and

1, retrieving the same line for a specific character, for filtering points some command line header descriptionAdvanced Policy Firewall (APF)2,d (Dos) deflatehttp://deflate.medialayer.com/Installationwget Http://www.inetbase.com/scripts/ddos/install.shchmod 0700 install.sh./install.shUninstallationwget Http://www.inetbase.com/scripts/ddos/uninstall.ddoschmod 0700 Uninstall.ddos./uninstall.ddosAB (apachebench) pressure measurement testCentOS DDoS Protection O