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Add value to specific key and datetime


Add value to specific key and datetime

By : Ali Sidd
Date : November 18 2020, 03:01 PM
wish help you to fix your issue The .child() method creates a new node if it doesn't exists. so you can simply do:
code :
databaseReference = FirebaseDatabase.getInstance().getReference("jsonData").child("listaVanzatoareProduse").child(dateTime).child(userName);
databaseReference.setValue(Util.getInstance().getVanzatorProduse());


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Creating a DateTime object with a specific UTC DateTime in PowerShell

Creating a DateTime object with a specific UTC DateTime in PowerShell


By : user4516317
Date : March 29 2020, 07:55 AM
I wish this helpful for you The DateTime object itself is being created with the proper UTC time. But when PowerShell prints it out it converts it to my local culture and time zone, thus the difference.
Proof:
code :
$UtcTime = Get-Date -Date "1970-01-01 00:00:00Z"
$UtcTime.ToUniversalTime()
DevExpress GridControl, how to make **any** columns that are of type DateTime display in a specific DateTime format?

DevExpress GridControl, how to make **any** columns that are of type DateTime display in a specific DateTime format?


By : ahmedmido
Date : November 14 2020, 04:48 PM
With these it helps About the first question, you need to use DateEditSettings, not TextEditSettings like:
code :
<dxe:DateEditSettings DisplayFormat="dd-MM-yyyy HH:mm:ss.fff"/>
foreach (var column in MyGridControl.Columns)
{
  if (column.FieldType == typeof(DateTime))
  {
    column.ActualEditSettings.DisplayFormat = "dd-MM-yyyy HH:mm:ss.fff";
  }
}
Convert timezone specific datetime string to datetime in C#

Convert timezone specific datetime string to datetime in C#


By : Niclaus Liu
Date : March 29 2020, 07:55 AM
help you fix your problem By replacing timezone abbreviation with zone offset you can convert using DateTime.ParseExact
code :
string date = "Tue, 01 Nov 2016 02:00 PM EET";
DateTime dt = DateTime.ParseExact(date.Replace("EET", "+2"), "ddd, dd MMM yyyy hh:mm tt z", CultureInfo.InvariantCulture);
How to obtain raws that have a datetime greater than specific datetime?

How to obtain raws that have a datetime greater than specific datetime?


By : DisplayName=
Date : March 29 2020, 07:55 AM
This might help you Your p_datetime is in custom date format so you need to convert to proper date format to compare,
Below is a simple example to represent your problem
code :
val df = Seq(
  ("2017-Jul-10", "0.26"),
  ("2017-Jul-9", "0.81"),
  ("2015-Jul-8", "0.24"),
  ("2015-Jul-11", "null"),
  ("2015-Jul-12", "null"),
  ("2015-Jul-15", "0.13")
).toDF("datetime", "value")


val df1 = df.withColumn("datetime", from_unixtime(unix_timestamp($"datetime", "yyyy-MMM-dd")))

df1.filter($"datetime".gt(lit("2017-07-10"))).show // greater than 
df1.filter($"datetime" > (lit("2017-07-10"))).show
+-------------------+-----+
|           datetime|value|
+-------------------+-----+
|2017-07-10 00:00:00| 0.26|
+-------------------+-----+

df1.filter($"datetime".lt(lit("2017-07-10"))).show  //less than 
df1.filter($"datetime" < (lit("2017-07-10"))).show
+-------------------+-----+
|           datetime|value|
+-------------------+-----+
|2017-07-09 00:00:00| 0.81|
|2015-07-08 00:00:00| 0.24|
|2015-07-11 00:00:00| null|
|2015-07-12 00:00:00| null|
|2015-07-15 00:00:00| 0.13|
+-------------------+-----+

df1.filter($"datetime".geq(lit("2017-07-10"))).show // greater than equal to 
df1.filter($"datetime" <= (lit("2017-07-10"))).show
+-------------------+-----+
|           datetime|value|
+-------------------+-----+
|2017-07-10 00:00:00| 0.26|
+-------------------+-----+
val df1 = df.withColumn("datetime", unix_timestamp($"datetime", "yyyy-MMM-dd")) //cast to timestamp

df4.filter($"datetime" >= (lit("2017-07-10").cast(TimestampType))).show
//cast "2017-07-10" also to timestamp
How to convert UTC datetime to specific Zone datetime and check is daylight saving

How to convert UTC datetime to specific Zone datetime and check is daylight saving


By : eclipsed82
Date : March 29 2020, 07:55 AM
With these it helps As has been said in the comments, this is more automatic than you think.
code :
    DateTimeFormatter inputFormatter = new DateTimeFormatterBuilder()
            .append(DateTimeFormatter.ISO_LOCAL_DATE)
            .appendLiteral(' ')
            .append(DateTimeFormatter.ISO_LOCAL_TIME)
            .toFormatter();
    ZoneId zone = ZoneId.of("America/New_York");

    String dateTime = "2018-04-23 19:50:53.236";
    ZonedDateTime usEasternTime = LocalDateTime.parse(dateTime, inputFormatter)
            .atOffset(ZoneOffset.UTC)
            .atZoneSameInstant(zone);
    String formattedDateTime = usEasternTime.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME);
    System.out.println(formattedDateTime);
    String dateTime = "2018-11-23 19:50:53.236";
    String formattedDateTime = usEasternTime.truncatedTo(ChronoUnit.SECONDS)
            .format(DateTimeFormatter.ISO_OFFSET_DATE_TIME);
    OffsetDateTime odt = usEasternTime.truncatedTo(ChronoUnit.SECONDS)
            .toOffsetDateTime();
    System.out.println(odt);
    ZonedDateTime usEasternTime = LocalDateTime.parse(dateTime, inputFormatter)
            .atZone(zone);
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