NEA Singapore
@NEASingapore · Post #146 · 07.01.2021 г., 02:00
Leaving your soiled tissue on dining tables is inconsiderate and unsanitary! Dispose of them properly, to help prevent the spread of diseases. #SGUnited#BinOurTissues#KeepSGClean
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Изворен канал @pythonotes · Post #380 · 21 окт.
Регулярно приходится писать и ревьюить код, где используется PySide2-6. Заметил, что в подавляющем большинстве случаев настройка создаваемых базовых виджетов происходит через методы. Думаю, всем знаком такой способ. Простой пример с кнопкой: button = QPushButton("Click Me") button.setMinimumWidth(300) button.setFlat(True) button.setStyleSheet("font-size: 20pt") button.setToolTip("Super Button") button.clicked.connect(lambda: print("Button clicked")) Но есть и альтернативный способ - настройка через свойства. Это просто ключевые аргументы конструктора класса. Хоть они и не указаны в документации как аргументы, но они есть) Этот код делает тоже самое но с помощью Property button = QPushButton( "Click Me", minimumWidth=300, flat=True, styleSheet="font-size: 20pt", toolTip="Super Button", clicked=lambda: print("Button clicked"), ) Где это может быть полезно ▫️ Это выглядит более аккуратно и коротко, уже повод использовать ▫️ Может использоваться в заполнении лейаута, когда нам не нужно никакое другое взаимодействие с виджетом и поэтому сохранять его в переменную не требуется. Например, лейбл или кнопка. widget = QWidget(minimumWidth=400) layout = QHBoxLayout(widget) layout.addWidget(QLabel("Button >", alignment=Qt.AlignRight)) layout.addWidget(QPushButton("Click Me", clicked=lambda: print("Button clicked"))) widget.show() Либо так widget = QWidget(minimumWidth=400) layout = QHBoxLayout(widget) for wd in ( QLabel("Button >", alignment=Qt.AlignRight), QPushButton("Click Me", clicked=lambda: ...) ): layout.addWidget(wd) widget.show() ▫️ Можно хранить настройки в каком-то конфиге или генерировать на лету, после чего передавать как kwargs. kwargs = {"text": "Hello " * 30, "wordWrap": True} my_label = QLabel(**kwargs) Как получить полный список доступных свойств? Эта функция распечатает в терминал все свойства виджета и их текущие значения def print_widget_properties(widget): meta_object = widget.metaObject() for i in range(meta_object.propertyCount()): property_ = meta_object.property(i) property_name = property_.name() property_value = property_.read(widget) print(f"{property_name}: {property_value}") #tricks#qt
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NEA Singapore
@NEASingapore · Post #154 · 22.01.2021 г., 10:50
Have you been returning your trays and binning used tissues? A large majority of people surveyed agreed that litter left behind poses a public health risk. However, whilst 90% felt that diners should clear their tables after eating at public dining places, the average tray return rate at most hawker centres is only around 30%. View key findings of the survey at https://www.nea.gov.sg/media/news/news/index/vast-majority-surveyed-feel-that-patrons-should-be-required-to-clear-their-tables-after-eating-at-public-dining-places We can do more to keep #OurHawkerCentres clean and safe for everyone! #ReturnOurTrays#BinOurTissues
NEA Singapore
@NEASingapore · Post #144 · 28.12.2020 г., 05:22
Phase 3 of Re-opening commences today. To accommodate the increase in group size of up to 8 persons, markings on seats and tables at the dining areas of hawker centres have been revised. While we bond over our favourite hawker food, let’s also #ReturnOurTrays and #BinOurTissues. #OurHawkerCulture is not just about the heritage, great food and bustling ambience – it is also about how it brings people from all walks of life together. Let’s keep #OurHawkerCentres clean and safe for everyone 😊 Access control and interim fencing at more markets will also be removed, details at https://www.nea.gov.sg/media/news/news/index/phase-3-of-re-opening-hawker-centres-and-markets
NEA Singapore
@NEASingapore · Post #69 · 20.06.2020 г., 03:30
We are all looking forward to dining in again at our favourite places. Let’s not forget good dining habits at #OurHawkerCentres to mitigate the spread of COVID-19! #BinOurTissues & #ReturnOurTrays, to keep the table clean for the next user and reduce the risk of disease transmission to cleaners and other members of the public. Eat from your tray, and don’t leave behind soiled tissues or wet wipes on dining tables. #FightCOVID19#SGClean
NEA Singapore
@NEASingapore · Post #67 · 17.06.2020 г., 12:55
Don’t leave your used tissues or wet wipes behind when dining at #OurHawkerCentres! It is important to dispose of used tissues or wet wipes which can be highly contaminated, to #FightCOVID19, especially as we resume our activities gradually. From 19 Jun when dining-in resumes, Safe Distancing Ambassadors at hawker centres and coffeeshops will be on hand to remind patrons to be socially responsible and observe personal hygiene. Let’s all do our part to keep ourselves and those around us safe. https://go.gov.sg/nea17jun20-hygieneathcs-toilets #BinOurTissues#ReturnOurTrays#SGClean#KeepSGClean
NEA Singapore
@NEASingapore · Post #73 · 02.07.2020 г., 00:30
Let’s remember to stay at least a metre apart from each other. We wouldn’t want all the effort and resources of the past few months to go to waste. Dining in at #OurHawkerCentres? Let’s not forget to #ReturnOurTrays and #BinOurTissues after enjoying the meal! #SGUnited#SafeDistancing#FightCOVID19