How To Convert Cassandra Date Object To Epoch Timestamp In Java
Oct 27, 2014
I am creating a java plugin for moving data from cassandra database to elastic search.
I am getting all the data but the date which I am getting from the database is in human readable form ie Row[Fri Jul 25 11:36:10 IST 2014].
I want this to be converted to epoch timestamp format like 1414386721. How to do this.
How to get the date from the row object above ie I want to get the date from Row[Fri Jul 25 11:36:10 IST 2014].
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Dec 26, 2014
I have a requirement to convert 'unix time stamp' to 'Date time format'
Input (Unix time stamp) : 1426013480000
Output should show : 3/10/2015 2:51 PM EST (or) 10th March 2015 2:51PM EST
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Nov 7, 2014
I am suppose to have a method called save() which should marshall the list of computer parts in the right panel to an XML file. In reverse, another method called load() that should unmarshall the saved XML file back into an object. So basically, the Save event will call save() method and save the list of parts in the right panel to an XML file. The Load event should clear the right panel, and call load() method. When load() is called, it should display the unmarshalled data in the right panel. I got "Exit" to work.
I'm having hard time figuring out the "Load" and "Save" parts though.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class PCParts implements ActionListener{
[code]...
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Apr 14, 2014
I am trying to parse a XML string into `org.w3c.dom.Document` object.
I have looked at solutions provided [here](xml - How to convert String to DOM Document object in java? - Stack Overflow), [here](How to create a XML object from String in Java? - Stack Overflow) and a few other blogs that give a variation of the same solution. But the `Document` object's #Document variable is always null and nothing gets parsed.
Here is the XML
XMLMappingValidator v = new XMLMappingValidator("<?xml version="1.0" encoding="utf-8"?>
" +
"<mapping>
" +
"<container>
" +
"<source-container>c:stem.csv</source-container>
[Code] ....
When I call
**v.getXML().toString()**
I get
`[#document: null]`
Clearly, the parse is failing. But I don't understand why.
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Apr 15, 2014
I am trying to parse a XML string into `org.w3c.dom.Document` object.
I have looked at solutions provided [here](xml - How to convert String to DOM Document object in java? - Stack Overflow), [here](How to create a XML object from String in Java? - Stack Overflow) and a few other blogs that give a variation of the same solution. But the `Document` object's #Document variable is always null and nothing gets parsed.
Here is the XML
Java Code:
XMLMappingValidator v = new XMLMappingValidator("<?xml version="1.0" encoding="utf-8"?>
" +
"<mapping>
" +
"<container>
" +
"<source-container>c:stem.csv</source-container>
[Code] .....
When I call Java Code: **v.getXML().toString()** mh_sh_highlight_all('java');
I get Java Code: `[#document: null]` mh_sh_highlight_all('java');
Clearly, the parse is failing. But I don't understand why.
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Feb 20, 2014
I've been looking online and I can find how to convert a Calendar datetype to Date, but what if I need a Date datatype to be Calendar?
I am try to count days and Date.getDay() has been deprecated.
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Aug 4, 2014
package sample;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class NewClass {
public static void main(String[] args) {
String value = "23-04-2012";
String[] formats = {
"yyyy:MM:dd" "yyyyMMdd", "dd-MM-yyyy","dd/MM/yyyy","MM-dd-yyyy","MM/dd/yyyy",};
[code].....
output i obtained:
Printing the value of yyyyMMdd
Date converted to yyyy-mm-dd0022-12-04
Expected Output:
Printing the value of dd-MM-yyyy
Date converted to yyyy-mm-dd2012-04-23
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Feb 5, 2015
I need to generate a file in Java with Unix TimeStamp. Want to generate an ordered list of Data entry objects for a defined period of time e.g., getData (long startTimeStamp, endTimeStamp, long resolution).
1) I would like to generate resolution with random numbers by using Random class.
2) How to take Start and end timestamps to generate a file (i.e., writing into a file).
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Jun 4, 2014
When trying to convert the time zone of a date I encountered the log below. java.lang.IllegalArgumentException: Cannot format given Object as a Date..Here is what my code looks like:
1. First I will get the date from the email header by the following code.
String messageDate = (String) mail.headers["Date"];
Output: Wed, 4 Jun 2014 18:30:05 +0800
2. Next I will convert the timezone to EST.
SimpleDateFormat timeZoneConvert = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z");
timeZoneConvert.setTimeZone(TimeZone.getTimeZone(" EST"));
String l_MailDateEST = timeZoneConvert.format(messageDate.trim());
Once the code run I encounter the said error.
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Apr 30, 2015
I am looking to get the sublist from a list of objects as per date enter. Objects that are added in the list (partyList) has the property of type Date. Below is my method, but not able to figure it out, how can i get the sublist.
public void listAllPartiesDayWise() {
System.out.println(" Inside List All Parties - Date Wise");
System.out.println(" Enter the time for the party in format yyyy-MM-dd HH:mm ");
List<RegisterParty> partyListDateWise = new ArrayList<>();
Scanner scanner = new Scanner(System.in);
String date = scanner.nextLine();
[Code] ......
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May 26, 2014
I'm using new LocalDate and LocalDateTime in my app. But I can't figure out how to get millis from epoch. I see that LocalDateTime inherits toEpochSecond() from the interface ChronoZonedDateTime, but unfortunately the method has default access type so I can't use this method. So, Which is the correct way to get millis from epoch in new LocalDateTime?
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Mar 8, 2014
For the object arguments in date formatters such as %td, are only calendar objects accepted?
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Feb 13, 2014
I am converting String to date object while converting this i am getting Run time Exception. Here in this code i am using String tokennizer reading a data from a text file. Here is my code
public static void main(String[] args)throws Exception {
FileReader fr = new FileReader("g:abc.txt");
BufferedReader br = new BufferedReader(fr);
String line = br.readLine();
[Code] .....
here is an text file which i am reading
priyaRaoDBA13-APR-6002-JUN-92MahdipatnamHyderabad01-FEB-93 -AdminFpriyaM784223680212348
ArifRizwanDevelopment14-FEB-8812-MAR-12Sathya coloneyHyderabad10-FEB-14 -Software EngineerMasdfghManager7842655502123
AFifRizwanDevelopment14-FEB-8812-MAR-12Sathya coloneyHyderabad10-FEB-14 -Software EngineerMasdfghManager7802655502123
AsifRizwanDevelopment14-FEB-8812-MAR-12Sathya coloneyHyderabad10-FEB-14 -Software EngineerMasdfghManager7842631102123
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Feb 10, 2014
I have two classes - a reservation class & a main class. Essentially, I want the user to enter two dates: an arrival and departure date. From the two dates, I will do a calculation (num days & price). I am having trouble finding a way to let users enter the (preferably in int, but that wasnt working),use getTime() to convert it from a calender to a date object. Then I want to use the dates to do a calculation. In addition, my constructor is being funky.
package hotelreservation;
import java.util.Date;
import java.util.Calendar;
import java.math.*;
//import java.text.*;
public class Reservation
[code]...
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Mar 21, 2014
I have a date in the following String format "2013-03-28,19:37:52.00+00:00" and post processing I am converting this to following String as per prevailing logic "2013-03-28,19:37:52.00+0000" (This is existing code and no changes have been Made here for last few years) And the using this SDFormat i.e new SimpleDateFormat("yyyy-MM-dd,HH:mm:ss.Sz") for conversion to Date Object
We are suddenly getting this exception now can't figured out what has changed ?
java.text.ParseException: Unparseable date: "2013-03-28,19:37:52.00+0000"
at java.text.DateFormat.parse(DateFormat.java:357)
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Jan 26, 2014
I am getting Run time Exception while converting String object to Date Object ....
java.text.SimpleDateFormat@b9b195a0
java.text.ParseException: Unparseable date: "14-07-2012"
public static void main(String[] args) {
String time = "14-07-2012";
[Code] .....
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Aug 20, 2011
I want to store a String.split("seperator") to a Set<String>.
Example:
Java Code: Set<String> = (Set<String>) "a|b|c".split("|"); mh_sh_highlight_all('java');
Sadly String[] and Set are incompatible types.
About the same as using .add three times, but shorter.
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Jul 20, 2014
I am getting this error "Type mismatch: cannot convert from Object to E" in the last line of the pop() method.
package stack;
public class Node<E> {
E item;
Node next;
Node(E item) {
this.item = item;
this.next = null;
}
[code]....
I don't understand why that error occurs despite item being declared as type E in the Node class.
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Nov 15, 2014
I woud like to convert a string(which is in an array) to a custom object.
Also, if I have different custom objects, will it be ok if I use
ArrayList<Object> o = new ArrayList<>();?
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Jul 17, 2014
I am using Java 1.6, I have this class ....
import java.util.ArrayList;
import java.util.List;
public class TestDrive
{
public TestDrive()
{
super();
[Code] ....
What is the most efficient way to group the preferences of the same type, In other word I want just a print statement to print this line.
BREAKFAST(Eggs,Milk),SPORTS(Basket,Tennis),....
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Mar 1, 2014
I am using a static method to convert a string to an Integer object. Next using a instance method to convert Integer object to an int.
Compiler is giving me two "cannot find symbol" errors:
One pointing to the dot operator between "Integer.valueOf(s)"
The other pointing to the dot operator between "obj.intValue()"
I have latest JDK installed: jdk-7u51-windows-x64.exe
Looks like JCL installed correctly with rt.jar file located in "lib" directory under "Program Files"
Following is source code:
Java Code:
public class StringToInt
{
public static void main (String args [])
{
String s = "125";
Integer obj = Integer.valueOf(s);
int i = obj.intValue();
i += 10;
System.out.println(i);
}
} mh_sh_highlight_all('java');
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Jun 8, 2014
I read and then copy files into a subfolder, and I need to rename the file names by adding the timestamp to the file name, for example like: "filename1_25.06.14_15:00:00.txt". How can I do that? Here is what I have:
public class Table_data {
static String files = null;
static List<O> l= new ArrayList<O>();
[Code]....
is it right what i tryed, because i get nothing with timestamp in file after running this.
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Aug 6, 2014
I have a requirement to get the details of the files present in a directory on a server. I need to get the file names and timestamp. I have the below code to get the file names:
Connection conn = new OracleDriver().defaultConnection();
ArrayDescriptor arraydesc =
ArrayDescriptor.createDescriptor ("DIRLIST_T", conn);
File myDir = new File (dir);
String[] filesList = myDir.list();
ARRAY dirArray = new ARRAY(arraydesc, conn, filesList);
return dirArray;
But am not able to get the timestamp. How can I get the timestamp as well.
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Jul 17, 2014
I have an requirement of splitting a Date-Time String i.e. 2013/07/26 07:05:36 As you observe the above string has Date and Time with space in between them.
Now I want just want split the string not by delimiter but by length i.e. after 10th place and then assign it to 2 variable i.e. Date <----2013/07/26 and Time <---07:05:36 separately.
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Sep 29, 2014
write the algorithms of the following problems.
1. Write an algorithm that asks the user for your birth date and the current date and displays how many days has passed since then (remember that April, June, September and November has 30 days, February has 29 on leap years, and the rest 31)
2. Write an algorithm that asks the user a number (save it as N) and displays the N term of the Fibonnacci series (take it as 1, 1, 2, 3, 5 ...)
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Dec 11, 2014
I want to pass the current timestamp as a key-value pair in JSON and want to store that timestamp in my DynamoDB table. Any sample code in JAVA to perform this operation.
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