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@mygovcoronanewsdesk · Post #12206 · 01.03.2023 г., 07:15
#Budget2023#UrbanPlanning
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Изворен канал @pythonotes · Post #303 · 27 дек.
Наверняка вы замечали, что в Python есть удобная функция для получения переменной окружения os.getenv(NAME) И её "сестра" для создания или изменения переменных окружения os.putenv(NAME, VALUE) Но почему-то putenv() не работает как должно. Энвайромент не обновляется! os.putenv('MYVAR', '1') print(os.getenv('MYVAR')) ... и ничего 😴 Почему так? На самом деле энвайромент обновляется, но это значение не добавляется в словарь os.environ. Откройте исходник функции os.getenv(). Это просто шорткат для os.environ.get() В то время как putenv() это built-in С-функция. Словарь os.environ (или точней класс из MutableMapping) создаётся из энвайромента в момент инициализации. Функция putenv() самостоятельно его не изменяет. В тоже время, когда вы создаёте или изменяете ключ в os.environ, автоматически вызывается putenv() в методе __setitem__(). То есть, технически putenv() всё делает верно, но в os.environ это не отражается. Можно проверить так: >>> os.putenv('MYVAR', '123') >>> os.system('python -c "import os;print(os.getenv(\'MYVAR\'))"') 123 Я объявил переменную в текущем процессе и вызвал дочерний процесс, который её унаследовал и получил в составе os.environ. Аналогично при удалении переменной вызывается еще одна built-in функция unsetenv(), удаляющая переменную из системы. Итого ▫️ Удобней всего явно обновлять переменные через os.environ ▫️ Есть способ неявно создать/удалить переменную через putenv/unsetenv, что не повлияет на os.environ но изменит энвайромент и передаст изменения сабпроцессам. Но так лучше не делать! ▫️os.environ это просто обертка для built-in функций putenv() и unsetenv(). #basic
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Interesting Planet 🌍
@interesting_planet_facts · Post #1266 · 01.02.2026 г., 12:11
🌎 The ancient city of Mohenjo-daro in present-day Pakistan was part of the Indus Valley Civilization around 2500 BCE. It featured grid-planned streets, advanced drainage, brick houses, and a massive central bath. Mohenjo-daro was mysteriously abandoned by about 1900 BCE without clear evidence of war or disaster. ✨ #archaeology⚡#IndusValley⚡#urbanplanning 👉subscribe Interesting Planet 👉more Channels
Amazing Geography 🌍
@amazingeo · Post #552 · 02.01.2026 г., 20:31
🌍 Paris is creating "urban forests" by planting patches of dense woodland in city plazas and streets. These mini-forests lower summer temperatures and boost urban biodiversity. ✨ #urbanplanning⚡#sustainability⚡#biodiversity⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
MyGov Newsdesk
@mygovcoronanewsdesk · Post #12208 · 01.03.2023 г., 09:20
भारत में अर्बन डेवलेपमेंट के दो प्रमुख पक्ष है- नए शहरों का विकास और पुराने शहरों में पुरानी व्यवस्थाओं का आधुनिकीकरणः प्रधानमंत्री #urbanplanning#budget2023#unionbudget2023 https://youtu.be/CEiyK3D4O-k
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@amazingeo · Post #594 · 26.01.2026 г., 12:31
🌍 In Stockholm, almost every resident lives within 300 meters of green space thanks to city planning that weaves parks and nature into neighborhoods—boosting health and local biodiversity. ✨ #urbanplanning⚡#sustainability⚡#cities⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
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@amazingeo · Post #138 · 29.08.2025 г., 13:12
🌍 Curitiba, Brazil transformed bus transit by designing special lanes just for buses, boosting speed and cutting traffic. This inspired cities worldwide to rethink sustainable urban transport. ✨ #urbanplanning⚡#sustainability⚡#transport⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍
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@amazingeo · Post #406 · 23.10.2025 г., 12:31
🌍 Copenhagen aims to become the world’s first carbon-neutral capital by 2025, using bike highways, wind energy, and smart urban drainage to cut emissions while keeping the city livable. ✨ #urbanplanning⚡#sustainability⚡#environment⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
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@amazingeo · Post #482 · 28.11.2025 г., 20:31
🌍 Singapore’s “park connector” network links a growing web of green trails and corridors across the city, letting wildlife and people travel between parks, even in dense urban neighborhoods. ✨ #urbanplanning⚡#sustainability⚡#wildlife⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
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@amazingeo · Post #631 · 14.02.2026 г., 12:31
🌍 Some cities recycle wastewater to irrigate parks, saving drinking water for people. This system helps lower water use and keeps urban landscapes greener even in dry climates. ✨ #urbanplanning⚡#sustainability⚡#water⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
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@amazingeo · Post #291 · 24.09.2025 г., 15:31
🌍 In Freiburg, Germany, whole neighborhoods are designed with solar panels, car-free streets, and green spaces. These urban plans cut energy use and make city life healthier and more sustainable. ✨ #urbanplanning⚡#sustainability⚡#energy⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
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@amazingeo · Post #250 · 17.09.2025 г., 00:12
🌍 Singapore manages stormwater with a vast network of rooftop gardens, ponds, and clever drainage, helping prevent floods while cooling the city and supporting urban wildlife. ✨ #urbanplanning⚡#sustainability⚡#Singapore⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍
Mappasaurus Official Channel
@mappasaurusofficial · Post #298 · 06.04.2025 г., 15:13
🍀Build Sustainable Cities with Mappasaurus!🌐 🪄Empower Eco-Friendly Urban Planning: ⏺Optimize Resources: Utilize our maps for efficient resource allocation and green urban projects. ⏺Smart Routing: Reduce emissions with AI-driven routes that minimize travel times and fuel usage. 🦖Why MappaSaurus❓ ⏺Enhance Urban Resilience: Support sustainable development that adapts to environmental challenges. ⏺Encourage Community Involvement: Use transparent mapping to foster public participation in urban planning. ⚔️Shape Greener, Smarter Cities with Us ⏺ See how Mappasaurus leads the way in eco-friendly urban planning. 💯#Mappasaurus#SustainableCities#UrbanPlanning#EcoFriendly#SmartCities