Yes, Qt is available under both open-source and commercial licenses. The open-source version, Qt for Application Development, is available for free under the GNU Lesser General Public License (LGPL) version 3. This allows developers to use Qt for creating open-source and commercial software. However, if you require additional support, features, or want to develop proprietary software, you can purchase a commercial license from The Qt Company. **

Qt Creator is an integrated development environment (IDE) that provides a full suite of tools for developing Qt applications, including a code editor, debugger, and visual designer. Qt Designer, on the other hand, is a standalone tool specifically for designing user interfaces using Qt's drag-and-drop interface. While Qt Creator includes Qt Designer as one of its tools, Qt Designer can also be used independently to create UI files that can be integrated into Qt Creator or other development environments. In summary, Qt Creator is a comprehensive IDE for developing Qt applications, while Qt Designer is a specialized tool for designing user interfaces. **

Your K9 harness may be chafing due to a few reasons. First, it could be the wrong size or fit for your dog, causing it to rub against their skin. Additionally, the material of the harness may be too rough or not breathable, leading to irritation. It's also possible that the harness is not adjusted properly, causing it to rub against your dog's skin as they move. To prevent chafing, make sure to choose a properly fitting, breathable, and comfortable harness for your K9. **

Children's TV shows for 9-year-olds typically include a mix of educational and entertaining content. Shows like "The Magic School Bus," "Wild Kratts," and "Odd Squad" are popular choices that combine science, adventure, and problem-solving. Other shows like "Paw Patrol," "My Little Pony," and "Lego Ninjago" offer fun and imaginative storylines that appeal to this age group. Overall, children's TV shows for 9-year-olds aim to engage young viewers with age-appropriate themes, characters, and humor. **

Chafing of the girth is typically caused by friction between the girth and the horse's skin. This friction can be exacerbated by sweat and dirt that accumulate under the girth. Ill-fitting or dirty tack, as well as excessive movement of the saddle while riding, can also contribute to chafing. Regular cleaning of tack, proper fitting of the girth, and using a protective pad or sleeve can help prevent chafing. **

Applying a soothing ointment like zinc oxide or petroleum jelly can help alleviate chafing from riding. These ointments create a protective barrier on the skin, reducing friction and promoting healing. It is important to clean and dry the affected area before applying the ointment to prevent infection. Additionally, choosing a product with added moisturizing properties can help keep the skin hydrated and aid in the healing process. **

Chafing marks on the thigh are red, irritated areas of skin that result from friction between the thighs rubbing together or against clothing during physical activity or prolonged periods of walking. The friction causes the outer layer of skin to become irritated and inflamed, leading to discomfort and sometimes pain. Chafing marks can be prevented by wearing moisture-wicking clothing, applying lubricants or powders to reduce friction, and staying well-hydrated to maintain skin elasticity. **

One can watch old TV shows online by subscribing to streaming services like Netflix, Hulu, or Amazon Prime Video, which often have a library of older TV shows available for streaming. Another option is to check if the specific TV show is available for purchase or rental on platforms like iTunes, Google Play, or Vudu. Additionally, some TV networks have their own websites or apps where they offer a selection of old TV shows for free with ads. **