Eliminates Bitcoin blockchain problem C-Bit is bitcoin.conf parallel Bitcoin to the original blockchain. Based on Bitcoin source for stability C-bit uses the modern Bitcoin source code as a starting point, and when Bitcoin gets updated in the future, C-Bit will automatically get updated as well, ensuring that C-Bit is always up-to-date with every Bitcoin patch, fix and update for maximum compatibility.

Compatible with all Bitcoin-based technologies Because C-Bit is so tightly paired to the original Bitcoin source, it is compatible with any product or service that works with Bitcoin blockchain technology. Check the source The code, because is based on the original Bitcoin code, is open source. Because of this, C-Bit is every bit as easy to work with as Bitcoin is – so there is a world of opportunity waiting for developers and an entire community there to back them up. I have added ports for low difficulty and high difficulty on minerpools. Low difficulty should only be used for less than 100GH.

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Normal difficulty should be used for most mining. Will not work reliably for Nicehash! High difficulty should be used for greater than 50TH. All ports are configured for varr-diff to optimize miner operation once mining has started. The pool is still running without any fees, so it is as good as solo mining! C-Bit This is a community project.

Enter the characters you see below Sorry, we just need to make sure you’re not a robot. M9 1a8 8 0 1 0 0 16A8 8 0 0 0 9 1zm. Join Stack Overflow to learn, share knowledge, and build your career. M9 1a8 8 0 1 0 0 16A8 8 0 0 0 9 1zM8 15. I have two virtual hosts in httpd. I want the blog to be non SSL.

And what kind of rule do I need for that? Not the answer you’re looking for? Browse other questions tagged apache . Do I have to duplicate the Virtualhost directives for port 80 and 443? In a restaurant in Italy, should I be seated when my food arrives? My boyfriend has issues with his parents, how do I support him without ending up in his parents bad books? How do I find the temperatures without 3rd party software?

Pioneer of the computer industry claims he has figured out

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Type your search terms above and press return to see the search results. What if I lose my mnemonics? RBF means these transactions won’t get stuck, and their bitcoin experience will be even smoother, even in the case of massive usage spikes. For us and our customers, there is no downside, and only upside to this change, so of course we support it!

How many types of RBF exist? We already discussed Full RBF above so we’ll talk about the other two now. RBF without the  perception of vandalism: allow people to update stuck transaction, but without the ability to change or remove any of the inputs and outputs. Recently Bitcoin Core has merged Opt-in RBF, which will be part of the 0. 12 release scheduled to be released in the upcoming months. Merchants and payment processors don’t need to make more changes that they would normally do during normal updates to things like minimum relay fee or dust amounts in order to handle opt-in RBF. Indeed it is, best of both worlds, yet it is still quite misunderstood.

Luckily, a great FAQ has been worked on by the community, which should clarify any doubt left. By using supported exchanges like The Rock Trading they retain the ability to trade fast without waiting for confirmation. With RBF this is even better, as it allows to more aggressively reduce fees and have better confirmations speed guarantees. Full RBF, so people should be very careful when accepting zero-conf regardless. The practice should never be encouraged.

Digital signatures and asymmetric cryptography

Phasing Out Third party trust In the long term assurance based on third party trust is not great because you are trusting someone and it is possible for that trust to be broken, willingly or not. Lightning is posing to be the superior mechanism for instant confirmation without the need to trust anyone. Sorry, your blog cannot share posts by email. M9 1a8 8 0 1 0 0 16A8 8 0 0 0 9 1zm. Join Stack Overflow to learn, share knowledge, and build your career. M9 1a8 8 0 1 0 0 16A8 8 0 0 0 9 1zM8 15.

How can I find where my httpd. I can’t find my Apache config. Questions on Stack Overflow are expected to relate to programming within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.

Which version of Apache are you running? Shouldn’t this be migrated to superuser. Doesn’t work on my shared host since ps only shows tasks running as me. I had to just try running “httpd -V” and “apache2ctl -V” as Rich Bower suggests. Didn’t work for me on Ubuntu 16.


It just returns the PID of grep. This will return various details about how httpd is built and configured, including the default location of the main configuration file. For me, what worked is the apache2ctl -V command and looking for the path in what is listed after. 2ctl -V worked for me on Ubuntu 16.

I get the command httpd was not found. Not the answer you’re looking for? 404 while loading the homepage with Index. How to symlink a file in Linux? How do I find all files containing specific text on Linux? How can I change the default apache httpd.

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Step 1: Installing bitcoind from the Bitcoin PPA

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In the market or to the market? How to make a diabetic coworker feel included when I bring in cake for coworkers? How would a tripedal animal walk? I suspect my cellular carrier may be breaking the EU free roaming directive.

What can I do about it? I offered to help neighbor, how to discuss compensation? Can a Warlock with the Book of Ancient Secrets invocation add unintelligible spell scrolls to their book? Is Nibiru real or totally science fiction? Can I contact a company directly about an opening I’ve learned about from an incompetent recruiter? By continuing to browse our website, you agree to our cookie policy. For solar thermal panels, see solar thermal energy.

Solar PV modules mounted on a flat roof. Photovoltaic solar panels absorb sunlight as a source of energy to generate electricity. The most common application of solar panels is solar water heating systems. The price of solar power has continued to fall so that in many countries it is cheaper than ordinary fossil fuel electricity from the electricity grid, a phenomenon known as grid parity.

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Sun to generate electricity through the photovoltaic effect. Module electrical connections are made in series to achieve a desired output voltage or in parallel to provide a desired current capability. The conducting wires that take the current off the modules may contain silver, copper or other non-magnetic conductive transition metals. Some special solar PV modules include concentrators in which light is focused by lenses or mirrors onto smaller cells. Solar panels also use metal frames consisting of racking components, brackets, reflector shapes, and troughs to better support the panel structure.

Emerging, third generation solar technologies use advanced thin-film cells. They produce a relatively high-efficiency conversion for the low cost compared to other solar technologies. In rigid thin-film modules, the cell and the module are manufactured in the same production line. The cell is created on a glass substrate or superstrate, and the electrical connections are created in situ, a so-called “monolithic integration”. Flexible thin film cells and modules are created on the same production line by depositing the photoactive layer and other necessary layers on a flexible substrate. Several companies have begun embedding electronics into PV modules. This section possibly contains original research.

2, solar spectrum of AM 1. The actual voltage output of the module changes as lighting, temperature and load conditions change, so there is never one specific voltage at which the module operates. Open circuit voltage or VOC is the maximum voltage that the module can produce when not connected to an electrical circuit or system. VOC can be measured with a voltmeter directly on an illuminated module’s terminals or on its disconnected cable. 6 ft 7 in, will be rated from as low as 75 W to as high as 350 W, depending on their efficiency. The ability of solar modules to withstand damage by rain, hail, heavy snow load, and cycles of heat and cold varies by manufacturer, although most solar panels on the U.

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UL listed, meaning they have gone through testing to withstand hail. The largest challenge for photovoltaic technology is said to be the purchase price per watt of electricity produced, new materials and manufacturing techniques continue to improve the price to power performance. The problem resides in the enormous activation energy that must be overcome for a photon to excite an electron for harvesting purposes. 145 days during a summer drought in California, lost only 7. Some private companies and non-profit organizations are currently engaged in take-back and recycling operations for end-of-life modules. Silicon based modules: aluminum frames and junction boxes are dismantled manually at the beginning of the process.

The module is then crushed in a mill and the different fractions are separated – glass, plastics and metals. Non-silicon based modules: they require specific recycling technologies such as the use of chemical baths in order to separate the different semiconductor materials. For cadmium telluride modules, the recycling process begins by crushing the module and subsequently separating the different fractions. Since 2010, there is an annual European conference bringing together manufacturers, recyclers and researchers to look at the future of PV module recycling.

9 GW of solar PV system installations were completed, with solar PV pricing survey and market research company PVinsights reporting growth of 117. PV installation on a year-on-year basis. PV system installation, PV module makers dramatically increased their shipments of solar modules in 2010. They actively expanded their capacity and turned themselves into gigawatt GW players. According to PVinsights, five of the top ten PV module companies in 2010 are GW players. The basis of producing solar panels revolves around the use of silicon cells. In order for solar panels to become more efficient, researchers across the world have been trying to develop new technologies to make solar panels more effective at turning sunlight into energy.


In 2014, the world’s top four solar module producers in terms of shipped capacity during the calendar year of 2014 were Yingli, Trina Solar, Sharp Solar and Canadian Solar. Swanson’s law states that with every doubling of production of panels, there has been a 20 percent reduction in the cost of panels. Over the long term there is clearly a systematic reduction in the price of cells and modules. Real world energy production costs depend a great deal on local weather conditions. For merchant solar power stations, where the electricity is being sold into the electricity transmission network, the cost of solar energy will need to match the wholesale electricity price. This point is sometimes called ‘wholesale grid parity’ or ‘busbar parity’. Some photovoltaic systems, such as rooftop installations, can supply power directly to an electricity user.

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In these cases, the installation can be competitive when the output cost matches the price at which the user pays for his electricity consumption. This situation is sometimes called ‘retail grid parity’, ‘socket parity’ or ‘dynamic grid parity’. According to the latest Indian solar market research, 2018 by Loom Solar “India’s premium solar brand store”, the average solar panels price range is Rs. 30 to 45 per watt, and the most demand of solar panels is 1 kW to 10 kW for home, office, and commercial spaces. Ground-mounted photovoltaic system are usually large, utility-scale solar power plants. Their solar modules are held in place by racks or frames that are attached to ground-based mounting supports. Pole mounts, which are driven directly into the ground or embedded in concrete.

Ballasted footing mounts, such as concrete or steel bases that use weight to secure the solar module system in position and do not require ground penetration. This type of mounting system is well suited for sites where excavation is not possible such as capped landfills and simplifies decommissioning or relocation of solar module systems. Roof-mounted solar power systems consist of solar modules held in place by racks or frames attached to roof-based mounting supports. Pole mounts, which are attached directly to the roof structure and may use additional rails for attaching the module racking or frames. Ballasted footing mounts, such as concrete or steel bases that use weight to secure the panel system in position and do not require through penetration. This mounting method allows for decommissioning or relocation of solar panel systems with no adverse effect on the roof structure. Solar trackers increase the amount of energy produced per module at a cost of mechanical complexity and need for maintenance.

They sense the direction of the Sun and tilt or rotate the modules as needed for maximum exposure to the light. There are many practical applications for the use of solar panels or photovoltaics. It can first be used in agriculture as a power source for irrigation. In health care solar panels can be used to refrigerate medical supplies. It can also be used for infrastructure. Solar panel has been a well-known method of generating clean, emission free electricity.


Solar PV panels are mainly made of solar photovoltaic cells, which has no fundamental difference to the material for making computer chips. With the increasing levels of rooftop photovoltaic systems, the energy flow becomes 2-way. When there is more local generation than consumption, electricity is exported to the grid. However, electricity network traditionally is not designed to deal with the 2- way energy transfer.

Therefore, some technical issues may occur. PV by the end of 2017. Milestone in solar cell efficiency achieved: New record for unfocused sunlight edges closer to theoretic limits. Comparing Solar Water Heater Popularization Policies in China, Israel and Australia: The Roles of Governments in Adopting Green Innovations”. Re-considering the economics of photovoltaic power. Managing Light To Increase Solar Efficiency”. Improving the efficiency of solar panels”.

Micro Inverters for Residential Solar Arrays”. Are Solar Panels Affected by Weather? Solarplaza Potential Induced Degradation: Combatting a Phantom Menace”. The American Society of Mechanical Engineers. Cleaning Solar Panels Often Not Worth the Cost, Engineers at UC San Diego Find”. Life Cycle Assessment of an innovative recycling process for crystalline silicon photovoltaic panels”. Solar Energy Materials and Solar Cells.

Enhanced radiation trapping technique using low-cost aluminium flat plate reflector a performance analysis on solar PV modules”. First Breakthrough In Solar Photovoltaic Module Recycling, Experts Say”. 3rd International Conference on PV Module Recycling”. Archived from the original on 10 December 2012. PVinsights announces worldwide 2010 top 10 ranking of PV module makers”. Leaders and laggards of the top 10 PV module manufacturers in 2014″. Swanson’s Law and Making US Solar Scale Like Germany”.