Schedule an asynchronous event that will complete when stdin has waiting data in boost::asio?

I’m using boost::asio with ncurses for a command-line game. The game needs to draw on the screen at a fixed time interval, and other operations (e.g. networking or file operations) are also executed whenever necessary. All these things can be done with async_read()/async_write() or equivalent on boost::asio. However, I also need to read keyboard input,…

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Combining 3 SELECT statements to output 1 table

I have three queries with results. Query 1: SELECT DISTINCT employeeid, work.clientid, ROUND ((CAST (AVG(current_lawn_price) AS numeric) / CAST (AVG((((EXTRACT(HOUR FROM job_finish)*60) + EXTRACT(MIN FROM job_finish))) – ((EXTRACT(HOUR FROM job_start)*60) + EXTRACT(MIN FROM job_start))) AS numeric)) / 1, 2) AS under_over_1 FROM work JOIN timesheet USING (date_linkid) JOIN client USING (clientid) WHERE employeeid = 1…

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Why variables in python do use function like syntax with () in front of the variables name but they are actually not function?

How many ways a variable could be defined in python? Is there any way a variable can call a another variable through function like notation? For Example: from tensorflow.keras import layers inputs = keras.Input(shape=(784,)) dense = layers.Dense(64, activation=’relu’) x = dense(inputs) My Question is dense is a variable it is taking inputs as an argument…

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While trying to run react-native run-android, JS bundler is closed immediately

I want to use react-native on windows 10 which is newly installed. I followed all instructions on https://facebook.github.io/react-native/docs/getting-started (React Native CLI Quickstart). But when I use npx react-native run-android the JS server closed immediately! How can I solve it? My system info: OS: Windows 10 10.0.18363 CPU: (8) x64 Intel(R) Core(TM) i7-4810MQ CPU @ 2.80GHz…

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