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What is the $context variable in Shopware 6?

The variable $context is all over Shopware 6 – it's everywhere. The $context variable will be present whether you wish to create a product, list customers, or place an order! But why is that? Simple. Shopware will operate differently and conduct certain operations depending on the given context (source, laws, language, currency, etc.). Uh, vague. Let me give you a few examples.
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What is the difference between state solar subsidy scheme and national portal solar subsidy?
With the increasing electricity demand comes the problem of insufficient resources to support such usage. This can be especially difficult for low-income families who battle paying high electricity bills every month for basic household needs. To help ease this burden, the government has suggested solar energy as a renewable and more affordable option for electrical power. The growth of solar rooftops in India has been tremendous over the last few years. Residential rooftop solar accounts for roughly 20% of the overall rooftop mark. Residential installations have seen steady growth in the previous few years and have grown by 35% over the last year. The availability of subsidies and increased awareness of solar and its benefit is the primary catalyst for the growth of this sector This blog looks at the different subsidies available to you. Solar subsidies can improve affordability by reducing the cost of installing solar panels. If you’re thinking about installing solar panels, make sure to check out the different offerings that are available to you. State Solar Subsidy: The subsidy is available only for residential solar grid-connected systems (without batteries).  Commercial or industrial sectors are not eligible to avail of this scheme. Each DISCOM has benchmarked the rates at which solar companies can sell solar systems. The amount of subsidy available varies between 20-40% and depends on the system size. Details of the support are as below. System Capacity (kW) Solar Subsidy (in %) Up to 3kW 40% Above 3kW and Up to 10kW 40% up to 3kW 20% thereafter National Portal Solar Subsidy: Under the national portal solar subsidy scheme, the government offers a fixed subsidy depending on the system size you wish to install. The detail of the subsidy is as mentioned below. Solar System Capacity Applicable Subsidy Up to 3kW ₹14,588 per kW Above 3kW and up to 10kW ₹14,588 per kW up to 3kW ₹7,294 per kW thereafter 10kW and above ₹94,822 fixed amount irrespective of system size How to apply online for national portal solar subsidy: Step 1: Download Sandes App & Register Step 2: Login and apply for the Rooftop Solar as per the form Step 3: Wait for the feasibility approval from DISCOM. Once you get the feasibility approval to install the system from any of the registered vendors in your DISCOM Step 4: Once installation is over, submit the plant details and apply for a net meter Step 5: After installation of the net meter and inspection by DISCOM, they will generate a commissioning certificate from the portal Step 6: Once you get the commissioning report submit bank account details and a canceled cheque through the portal. The subsidy will come to your account within 30 working days Difference between the national subsidy scheme & State scheme Under State Scheme, the customer pays only the post-subsidy price to the solar company (Total Price — Subsidy amount). The solar company claims the subsidy amount from the government post-installation. In National Portal Scheme, customers apply for solar subsidies through National Portal. The subsidy amount is transferred to their bank account within 30 days of solar system commissioning. The customer will initially pay the entire amount to the solar company. Adopting solar energy for your home does not have to be a complicated process — Freyr Energy is here to help make it as easy as possible. We take care of all necessary documentation and approval processes, whether central or state subsidy. We hope it has been a worthwhile read, and if you have any other questions or concerns about state and national solar subsidies, please get in touch with us anytime at sales@freyrenergy.com.
Gain medium
In laser physics, the laser gain medium is the medium (usually in the form of a beam of light) that enhances the power of light. In lasers, this medium is required to compensate for the loss of the resonant cavity and is often referred to as the high energy laser medium. Gain media can also be applied to optical fiber amplifiers. Gain refers to the level of amplification. Since the gain medium increases the power of the amplified beam, the medium itself needs to receive the energy, i.e., through the pumping process, which generally progresses to either existing (electric pumping) or input light wave (optical pumping), and the pump wavelength is smaller than that of the signal light. Type of laser gain medium There are many types of gain media. The usual is: 1. Some direct bandgap semiconductors, such as GaAs, AlGaAs, and InGaAs, are usually pumped by electric currents in the form of quantum Wells (see semiconductor lasers). 2. Laser crystal or glass, such as Nd: YAG(neodymium-doped Yttrium aluminum garnet, see Yttrium aluminum garnet laser), Yb: YAG(Ytterbium-doped garnet laser), Yb: glass, Er: YAG(Erbium-doped YAG) or titanium sapphire, in solid sheet form (see doped lasers) or optical glass fiber (fiber lasers, fiber amplifiers). These crystals or glasses are doped with laser-active ions (mainly trivalent rare earth ions, which sometimes transfer metal ions) and pumped with light waves. Lasers using these media are often described as doped insulator lasers 3. Rare earth ions are usually added to ceramic gain media Laser dyes, usually liquid solutions, are used in color lasers Gas lasers utilize multiple gases or mixtures of gases, usually pumped by discharge tools (such as CO2 and excimer lasers) 4. The unique gain retarder consists of a chemical gain retarder (which converts chemical energy into light), a nuclear pump retarder, and an oscillator in a completely free electron laser (which transfers energy from a fast electron beam to a beam).