java timestamp date conversion tool class

JAVA UNIX timestamp, LocalDateTime, Date and other mutual conversion tool classes import java.time.*; import java.time.format.DateTimeFormatter; import java.time.temporal.ChronoUnit; import java.time.temporal.TemporalAccessor; import java.util.*; import java.util.function.Function; /** * Time tools */ public class TimeUtils { // private static final ZoneId DEFAULT_ZONE_ID = ZoneId.systemDefault(); public static final ZoneId DEFAULT_ZONE_ID = ZoneId.of(“Asia/Shanghai”); public static final DateTimeFormatter DEFAULT_YEAR_FORMATTER = DateTimeFormatter.ofPattern(“yyyy”); public […]

std::chrono gets the current second/millisecond/microsecond/nanosecond timestamp

How to get the current timestamp First use std::chrono to get the current system time, then convert the current system time to the epoch time std::time_t type, and then use std::localtimeConvert the std::time_t type to the local time structure std::tm type, and finally use strftime to format the time output. The std::tm structure contains a […]

[Modified Team Algorithm C++] Single point modification + interval query (use of timestamps)

》》》Algorithm Competition /** * @file * @author jUicE_g2R(qq:3406291309)—-bin(bin-bing) * A sophomore majoring in communications and information at a Shuangliu first-class university. * * @brief has been on the way to learn algorithm competitions * * @copyright 2023.9 * @COPYRIGHT Original technical notes: Reprinting requires the consent of the blogger and the source of reprinting must […]

Conversion between Jackson objects and JSON. When passing json, the enumeration type is passed to Integer, and the timestamp is converted to a fixed format time.

Conversion between Jackson object and JSON, when passing json data, the enumeration type is passed to Integer, and the timestamp is converted to a fixed format time 1. Introduction to the problem I recently made a request – third-party customers access our system, provide interfaces, and transfer data in json format. Looking at the interface […]

Touch command usage guide: Create, update and modify file timestamps

Article directory Tutorial: Guide to using the touch command 1. Introduction 1.1 What is the touch command? 1.2 The function of touch command 1.3 Syntax of touch command 2. Basic usage 2.1 Create new files 2.2 Update file timestamp 2.3 Create multiple files 2.4 Modify file access time 2.5 Modify file modification time 2.6 Modify […]

Record has Long.MIN_VALUE timestamp (= no timestamp marker). Is the time characteristic set to ‘Proc…

question: Caused by: java.lang.RuntimeException: Record has Long.MIN_VALUE timestamp (= no timestamp marker). Is the time characteristic set to ‘ProcessingTime’, or did you forget to call ‘DataStream.assignTimestampsAndWatermarks(…) ‘? Exception in thread “main” org.apache.flink.runtime.client.JobExecutionException: Job execution failed. at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult( at org.apache.flink.runtime.minicluster.MiniClusterJobClient.lambda$getJobExecutionResult$3( at java.util.concurrent.CompletableFuture.uniApply( at java.util.concurrent.CompletableFuture$UniApply.tryFire( at java.util.concurrent.CompletableFuture.postComplete( at java.util.concurrent.CompletableFuture.complete( at org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.lambda$invokeRpc$0( at java.util.concurrent.CompletableFuture.uniWhenComplete( at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire( at java.util.concurrent.CompletableFuture.postComplete( […]

MongoDB – convert timestamp to date

Convert timestamp to date in MongoDB Converting from timestamp to date depends on the type of timestamp we save. Is it an object, number or string type? We can check the type of field using the following command on mongo shell. In this tutorial, we will learn how to convert a timestamp to a date […]

Conversion between timestamps in Python module pandas

Code # Get the current time epoch start_time_epoch = 1694868399 # time.time(), generate the current timestamp end_time_epoch = 1694954799 print(‘start_time_epoch=’, start_time_epoch) print(‘end_time_epoch=’, end_time_epoch) # Convert time_epoch to Timestamp start_time_stamp = pd.Timestamp(start_time_epoch, unit=’s’) end_time_stamp = pd.Timestamp(end_time_epoch, unit=’s’) print(‘start_time_stamp=’, start_time_stamp) print(‘end_time_stamp=’, end_time_stamp) # Convert Timestamp to string start_time_str = start_time_stamp.strftime(“%a-%b-%d-%Y %H:%M:%S”) end_time_str = end_time_stamp.strftime(“%a-%b-%d-%Y %H:%M:%S”) print(‘start_time_str=’, start_time_str) […]

JS timestamp conversion, date string conversion to timestamp; commonly used methods and scenarios when JS handles arrays

Get the current time. Convert the standard time to years, months, days, hours, minutes and seconds (fill in 0), such as: 2022-10-31 09:10:22 //Convert standard time to years, months, days, hours, minutes and seconds (add 0) function getTime(date) {<!– –> let Y = date.getFullYear(), M = (date.getMonth() + 1 < 10 ? ‘0’ + (date.getMonth() […]

Using LinuxPTP for time synchronization (software/hardware timestamp) – Yanyi

Reprinted from: Official documentation: Check whether the network card supports software and hardware timestamps: sudo ethtool -T eno1 Time stamping parameters for eno1: Capabilities: hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE) software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE) hardware-receive (SOF_TIMESTAMPING_RX_HARDWARE) software-receive (SOF_TIMESTAMPING_RX_SOFTWARE) software-system-clock (SOF_TIMESTAMPING_SOFTWARE) hardware-raw-clock (SOF_TIMESTAMPING_RAW_HARDWARE) PTP Hardware Clock: 0 Hardware Transmit Timestamp Modes: off (HWTSTAMP_TX_OFF) on (HWTSTAMP_TX_ON) Hardware Receive Filter Modes: none […]