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Изходен канал @clockstackwheels · Post #296 · 11.04

Паттерн Декоратор — специальный способ организации модулей в программе, который позволяет подставить какую-то новую функцию прямо в середину цепочки вызовов, тем самым чуть-чуть подкорректировав поведение. Например, в реальном мире очки для чтения это декоратор. Вы ставите их между вашими глазами и текстом. Глобально взаимодействие ваших глаз и текста не меняется: отражённые световые лучи от страницы книги попадают в ваши зрачки, что с очками, что без них. Но очки располагаются посередине: они принимают лучи на вход и преломляют их, передавая дальше вам в глаза уже изменёнными. Важной особенностью является тот факт, что очки можно снять. Они не требуют ни модификации вашего тела, ни модификации книги. Вообще никакие условия не нужны, кроме наличия самих очков. А если вы в линзах, то внешний наблюдатель может даже этого не знать. Класс-декоратор должен быть спроектирован так, чтобы не требовать никаких изменений в объектах, с которыми он работает. Его можно отключить, чаще всего буквально закомментировав одну строку. В примере ниже программа выведет текст "Привет, мир, в натуре.", и вот это дополнение в конце как раз дописано декоратором. Можно убрать или закомментировать подчёркнутую строчку, не трогая остальной код, для всех внешних вызовов сигнатуры останутся теми же самыми, но выводиться будет уже просто "Привет, мир". В декораторы можно прятать логику, которую буквально навешивают поверх основной функции программы. Например, проверку прав на выполнение операции. Перевод на другой язык, логирование, поддержку обратной совместимости при обновлении и так далее. #dev

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DruschbaFM - English

@druschbaFm_en · Post #52098 · 15.03.2025 г., 07:56

⚡️🇷🇺🇺🇦⚡️ Two Majors #Summary for the Morning of 15 March 2025; 06:29 (GMT+3)⚡️ 🛡More than 20 UAVs were downed by air defence and EW means over the #Voronezh region at night. The governor of the #Bryansk region also reported that an UAV attack had been repelled. Local media reported explosions (15-20) over #Volgograd, with one drone downed near 'Sarepta Station.' The likely target was the local oil refinery, with footage of a fire emerging. During the day, a drone crashed in the centre of #Dzhankoy (#Crimea), injuring 2 women. The UAV damaged a café, and shrapnel struck 2 private houses and a church. There were 3 wounded. 🎯 Russian Forces, in turn, targeted industrial zones and the port in #Odessa and its surroundings with Geranium drones. A fire broke out at an electrical substation following one of the strikes, and the regional administration reported that #Chernomorsk (#Ilyichevsk) was completely blacked out due to damage to the energy infrastructure. The enemy also reported strikes on #Chernigov, #Pavlograd, #Cherkassy, #Starokonstantinov, the Bogodukhovsky district of the #Kharkov region, as well as the #Vinnitsa and #Kiev regions. 🔹 In #Kursk Region, the destruction of remaining enemy forces attempting to retreat into the #Sumy region continues. Trump has stated that thousands of AFU militants are encircled. The final settlements left to be liberated are #Gogolevka, #Gornal, #Oleshnya, and #Guyevo. The enemy is striking liberated territories. AFU Nazis targeted the local history museum in #Sudzha, an architectural monument from the late 19th century. A museum employee, who had remained in the city during the occupation and had come to inspect the building, was killed. 2 other employees were wounded. Since 12 March, 209 residents have been evacuated from the liberated settlements. Amid the Russian Army’s advance and the Supreme Command’s objective of creating a buffer zone, mandatory evacuation has begun in 8 villages near the border in the #Yunakovka and #Miropolye communities of the #Sumy region. Russian forces have already pushed into enemy territory towards #Basovka and #Zhuravka. Until demining operations are completed, the authorities in the region have imposed temporary entry restrictions in 122 settlements across 6 districts bordering #Ukraine. 🔹 In the North of #Kupyansk Direction, reports indicate clashes with AFU forces near #Figolevka on the right bank of the Oskol. 🔹 In #Pokrovsk Direction, fighting continues near #Udachnoye, #Kotlino, #Peschanoye, #Shevchenko, and #Tarasovka. The enemy claims that Russian units, freed up after the liberation of #Konstantinovka, have been redeployed to #Pokrovsk to increase pressure. 🔹 On the #Vremyevka Ledge, the 'Group of Troops East' continues advancing towards #Bogatyr west of the village. Fighting is ongoing in the areas of #Dneproenergiya and #Burlatskoye. 🔹 On the #Zaporozhye Front, reports indicate Russian success near #Shcherbaki and #MalyeShcherbaki.🗺👆Russian units continue to assault enemy positions in the forest plantations. From the southern side, airborne troops have entered #Shcherbaki, assaulting enemy fortifications and strongpoints. The enemy has pulled back its main forces, leaving observation posts in the village manned with machine gun and rifle crews, supported by artillery and kamikaze drones. #Shcherbaki is nearly cleared. Assault groups of the Russian Airborne Forces are advancing from the south towards #MalyeShcherbaki and from the east towards #Shcherbaki. 💥 In #Belgorod Region, the enemy continues heavy strikes. #Valuyki, #Kukuyevka, #Murom, #Shebekino, #Tishanka in the Volokonovsky district, and #YasnyeZori in the Belgorod district are under attack. 💥 In #Gorlovka (#DPR), a Nazi drone strike injured a 1951-born woman and a 1981-born man. A 1970-born man was injured by enemy barrel artillery. 📱 Join GLOBAL DEPTH to boost your TG Feed 💬Welcome to Military Chat & Ukraine Observer 🇺🇦On Ukraine Observer you will find your daily independent Ukraine War Battle Update