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How to format Joda-Time DateTime to only mm/dd/yyyy?
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Note that in JAVA SE 8 a new java.time (JSR-310) package was introduced. This replaces Joda time, Joda users are advised to migrate. For the JAVA SE ≥ 8 way of formatting date and time, see below.
Joda time
Create a DateTimeFormatter using DateTime...
Convert java.time.LocalDate into java.util.Date type
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Here's a utility class I use to convert the newer java.time classes to java.util.Date objects and vice versa:
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;
public class DateUtils...
How to capitalize the first letter of a String in Java?
...atic void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
// Actually use the Reader
String name = br.readLine();
// Don't mistake String object with a Character object
String s1 = name.substring(0, 1).toUpperCase...
How do I join two SQLite tables in my Android application?
...able_b b ON a.id=b.other_id WHERE b.property_id=?";
db.rawQuery(MY_QUERY, new String[]{String.valueOf(propertyId)});
Use ? bindings instead of putting values into raw sql query.
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How do you switch pages in Xamarin.Forms?
...On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one.
At the very end, if you want to make sure the user can't get back to the previous page (using a gesture or the back hardware button), you can keep the same Page displayed and replace its ...
Regular expression to return text between parenthesis
All I need is the contents inside the parenthesis.
6 Answers
6
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How does this checkbox recaptcha work and how can I use it?
...erpt from the email: We expect to move all existing reCAPTCHA sites to the new API in 2015.
– Timothy Zorn
Sep 11 '14 at 3:29
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How to get values from IGrouping
...umerables back into one IEnumerable all together:
List<smth> list = new List<smth>();
IEnumerable<IGrouping<int, smth>> groups = list.GroupBy(x => x.id);
IEnumerable<smth> smths = groups.SelectMany(group => group);
List<smth> newList = smths.ToList();
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Get the last inserted row ID (with SQL statement) [duplicate]
I want to get the new created ID when you insert a new record in table.
3 Answers
3
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Why does Java's hashCode() in String use 31 as a multiplier?
...sort of optimization automatically.
(from Chapter 3, Item 9: Always override hashcode when you override equals, page 48)
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