сергей кузьмин

ResultSet resultSet = statement.executeQuery("SELECT count(*) as cnt FROM customers WHERE name = 'Bob' AND purchase = 'bike'");
  resultSet.next(); // not first() with PGSL JDBC it is forward only cursor
  final int cnt = resultSet.getInt(1);   
  System.out.println("cnt: " + cnt);

String query = "SELECT count(*) <> 0 FROM accounts WHERE username = 'bob';";
              System.out.println("Executing count query: " + query);
              ResultSet resultSet = connection.createStatement().executeQuery(query);
              resultSet.next();
              final boolean status = resultSet.getBoolean(1);
              System.out.println("status: " + status);

export JAVA_OPTS="-Dlog4j2.debug=true -Dapp.env=staging -Dlog4j.configurationFile=$CATALINA_BASE/conf/log4j2.xml -Ddiagnostics.jvm.memory.check.period.secs=30 -Ddiagnostics.jvm.garbage.collector.percent=30 -
Ddiagnostics.jvm.garbage.collector.monitoring.period.secs=30"

wait.Until(x => {
				var size = 
					x.FindElement(By.CssSelector(selector)).GetAttribute("value").Length;
				if (size >= 5) {
					return true;
				} else {
					Console.Error.Write("waiting for specific text length");
					return false;
				}
			});

[DllImport("user32.dll")]
	public static extern int EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE1 devMode);
public struct DEVMODE1 {
	[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string dmDeviceName;
// детали
DEVMODE1 dm = new DEVMODE1();
User_32.EnumDisplaySettings(null, User_32.ENUM_CURRENT_SETTINGS, ref dm)) ;

writer = csv.writer(csvfile, delimiter=' ', quotechar='|', quoting=csv.QUOTE_MINIMAL)
writer.writerow([name_of_restauran.texе])

docker build -t xxx -f Dockerfile  .
docker run -it xxx

testuser@6a86a940f044:~$ echo $SHELL
/bin/bash
testuser@6a86a940f044:~$ exit

FROM python:3.8.2-alpine
ARG FILENAME_ARG
ENV FILENAME $FILENAME_ARG
# time on alpine does not recognize a long --format argument
CMD time -f '%U' python temp/${FILENAME} 2>&1

FROM python:3.8.2-alpine
ARG FILENAME_ARG
ENV FILENAME $FILENAME_ARG
ENV TIME '%u'
CMD time python temp/${FILENAME} 2>&1

TIME(1)                     General Commands Manual                    TIME(1)

NAME
       time - run programs and summarize system resource usage


 %U     Total number of CPU-seconds that the process spent in user
              mode.
...
%R     Number of minor, or recoverable, page faults.