TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #411 · 9 фев.
reload_flag="" if [[ -n "${DEBUG}" ]]; then reload_flag="--reload" fi if [[ -n "${WORKER_COUNT}" ]]; then workers=${WORKER_COUNT} else workers=2 fi gunicorn --workers ${workers} \ --bind 0.0.0.0:8000 \ ${reload_flag} main.wsgi Писали такие конструкции чтобы проверить наличие флага и сформировать команду правильно? На самом деле можно сделать тоже самое проще. Для этого используются операторы условной подстановки, доступные в оболочках семейства POSIX. :- для установки значений по умолчанию ${WORKER_COUNT:-2} Если переменная не объявлена, то будет дефолтное значение 2. :+ подставляет указанный текст, если переменная не пуста ${DEBUG:+--reload} Если что-то есть в переменной то распечатается текст после символа +, в противном случае - ничего. Удобно для опциональных флагов, как в нашем примере. Итого наш скрипт может выглядеть так: gunicorn --workers ${WORKER_COUNT:-2} \ --bind 0.0.0.0:8000 \ ${DEBUG:+--reload} main.wsgi Есть еще два оператора. := не только подставить дефолтное значение, но и присвоить его переменной, если она пуста # никаких переменных еще нет VAL1=${VAL2:=hello} # теперь доступны обе echo $VAL1 $VAL2 # hello hello :? остановить выполнение с ошибкой, если переменной нет. echo ${MISS:?is required} bash: MISS: is required Код выхода будет 1. #tricks#linux
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@dailychannels · Post #6560 · 21.12.2025 г., 13:00
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@tironianae · Post #449622 · 07.05.2026 г., 03:43
IN 1953, THEY CHANGED THE FREQUENCY OF MUSIC. AND NO ONE NOTICED. The International Organization for Standardization made a decision that affected every human being on Earth. They standardized the tuning of music to A=440Hz. Before this, the accepted standard was A=432Hz. Why would a global organization care about the exact pitch of musical instruments? Because sound is not just art. Sound is physics. Sound is geometry. Sound is energy. 432Hz is mathematically consistent with the patterns of the universe. It resonates with the Phi ratio. It aligns with the natural vibration of the Earth, known as the Schumann Resonance. When water is exposed to 432Hz, it forms perfectly symmetrical, beautiful geometric crystals. 440Hz does the exact opposite. When water is exposed to 440Hz, the crystals become distorted, chaotic, and broken. Now remember this: Your body is 70% water. The people who control this world could not have a population that was healthy, clear-minded, and connected to the natural world. So they changed the frequency. They tuned every song, every commercial, every news broadcast, and every movie soundtrack to 440Hz. A frequency that promotes agitation, anxiety, aggression, and spiritual disconnection. A frequency that literally distorts the water inside your cells. You are not just being lied to through words. You are being attacked through vibration. Every time you turn on the radio, you are absorbing a frequency designed to keep you stressed, sick, and easy to control. Unplug from their frequency. Seek out 432Hz music. Watch how quickly your mind clears. Share this 🔥 #higlightsシ゚ #followers#love#peace#truth#faith#freedom - Paul White Gold Eagle https://x.com/i/status/2051951548138491950