Artists have always exploited the conditions for technological change, applications and services, from the pencil onwards. In the move towards ubiquitous computing – from the Internet to the ‘Internet of Things’ – the poetic process of making meaning and creating experiences is no longer only productive at the level of design, but it lies at … Read more
In Carl Schmitt’s political philosophy he makes a distinction between the real enemy and the absolute enemy. This latter enemy is the one that negates your own position, questions your very existence. The real enemy denotes our possibility to act, we can react to challenges and threats. The absolute enemy appears on thresholds to new … Read more
The debate about Internet of Things in Europe rose at a time when the structure of the 7th Research Framework Programme (FP7) was already established. It is obvious that the holistic approach adopted by the “Networked Enterprise and Radio Frequency Identification (RFID)” unit (DG INFSO/D4) in its initiatives, especially the Communication of June 2009 and … Read more
Today, there are roughly 1.5 billion Internet-enabled PCs and over 1 billion Internet-enabled cell phones. The present “Internet of PCs” will move towards an “Internet of Things” in which 50 to 100 billion devices will be connected to the Internet by 2020. Some projections indicate that in the same year, the number of mobile machine … Read more
strftime Asterisk func STRFTIME Formats the datetime Synopsis STRFTIME([<epoch>][,[<timezone>][,<format>]]) Description Formats the time specified by <epoch>, localized to <timezone>. The format comes directly from the underlying C function strftime(3). If <epoch> is not specified, defaults to the current time. <timezone> likewise defaults to the timezone on the host computer. A list of possible timezones may be obtained from the directory listing … Read more
explode() Function in PHP explode() is a built in function in PHP used to split a string in different strings. The explode() function splits a string based on a string delimeter, i.e. it splits the string wherever the delimeter character occurs. This functions returns an array containing the strings formed by splitting the original string. … Read more
Metrics are basically key performance indicators. Most commonly used metrics are mentioned below: 1. Average transaction response time It is the Average time taken to perform transactions during each second of the scenario run. 2. Total transactions per second The total number of transactions that passed, the total number of transactions that failed and the … Read more
Normally all the performance testing tools that are used for load testing could also be used for stress testing. Below mentioned are the ones that are most commonly used: 1. Loadrunner Loadrunner from HP is the widely used tool to perform stress testing and the results provided by Loadrunner are considered as a benchmark. 2. … Read more
1. Distributed Stress Testing In distributed stress testing, all the clients linked with the server are tested. Distribution of a group of stress tests to each one of the clients and follow up on their status, is the server’s role and responsibility. 2. Transactional Stress Testing As the name suggests, Transactional Stress Testing is used … Read more
Stress testing tries to break the system under test by overwhelming its resources. The main purpose of stress testing: Make sure that the system fails and recovers easily, this quality is also known as recoverability. Stress Testing Example Let us assume that the performance testing team has been asked to stress test an ecommerce application that sells Camping Gears. In … Read more