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Изворен канал @pythonotes · Post #45 · 2 мар.
В фреймворке PyQt (и PySide тоже) часто встречается настройка чего-либо с помощью так называемых флагов. widget.setWindowFlags(Qt.Window) Взаимодействие нескольких флагов делается с помощью бинарных (или побитовых) операторов. Несколько флагов можно указать с помощью оператора "|" list_item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled) исключить флаг из уже имеющегося набора можно так list_item.setFlags(list_item.flags() ^ Qt.ItemIsEnabled) Добавить новый флаг к имеющимся можно так list_item.setFlags(list_item.flags() | Qt.ItemIsEnabled) А проверка наличия делается так is_enabled = item.flags() & Qt.ItemIsEnabled > 0 Почему именно так? Всё дело в том как именно работают побитовые операторы. Но об этом в следующем посте. #qt
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Пребарај: #breakingnews
@HAMASW · Post #8739 · 09.05.2024 г., 06:38
#BREAKINGNEWS 🔴 US President Biden confessed - Were these bombs that were stopped from being shipped to Israel used to kill civilians in Gaza? + They were previously used to kill civilians in Gaza and destroy population centers.
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@HAMASW · Post #8669 · 06.05.2024 г., 11:11
🚨 🚨 🚨#BREAKINGNEWS The Israeli occupation army launches several heavy airstrikes east of Rafah
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@HAMASW · Post #8668 · 06.05.2024 г., 11:05
🚨 🚨 🚨#BREAKINGNEWS The occupying Israeli army has launched a very violent attack on the east of Rafah as of now. The attacked areas are the area that Israel demanded to be evacuated in the morning.
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@HAMASW · Post #8664 · 05.05.2024 г., 16:15
🚨 🚨#BREAKINGNEWS Izzedine al-Qassam Brigades released footage of targeting Israeli soldiers stationed near Rafah
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@HAMASW · Post #8646 · 02.05.2024 г., 16:01
🚨 🚨 🚨#BREAKINGNEWS Turkey has decided to impose an embargo on all trade with Israel (Bloomberg)
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@HAMASW · Post #8640 · 01.05.2024 г., 19:47
🚨#BREAKINGNEWS The Kassam Brigades broadcast the moments of shelling the Israeli occupation forces with heavy caliber mortars in Netsarim, south of Gaza City.
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@HAMASW · Post #8627 · 30.04.2024 г., 12:17
🚨#BREAKINGNEWS The video of Jerusalem Martyr Hasan Saklanan's knife attack against Israeli police in occupied Jerusalem has been released.
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@HAMASW · Post #8624 · 30.04.2024 г., 10:21
🚨#BREAKINGNEWS A Turkish youth staged a stabbing operation in Israeli-occupied Jerusalem, wounding an Israeli policeman. The youth was martyred. (Haaretz)
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@HAMASW · Post #8604 · 26.04.2024 г., 15:33
🚨 🚨 🚨#BREAKINGNEWS Israel's Minister of National Security Itamar Ben-Gvir was involved in a car accident.
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@HAMASW · Post #8576 · 24.04.2024 г., 10:57
🚨#BREAKINGNEWS Israeli occupation forces martyred 20-year-old Palestinian woman Meymune Abdel Hamid Harakhseh in the West Bank.
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@HAMASW · Post #8553 · 23.04.2024 г., 13:52
🚨#BREAKINGNEWS Abu Ubaydah, the spokesperson of the Kassam Brigades, will speak on the 200th day of the Aqsa Flood.
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@HAMASW · Post #8531 · 21.04.2024 г., 13:49
🚨#BREAKINGNEWS Israeli warplanes have been bombarding Rafah city in Gaza with very heavy bombardment. .
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