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Overload constructor for Scala's Case Classes?
...xplains why the additional apply methods aren't added automatically: scala-lang.org/node/976
– Seth Tisue
Apr 15 '10 at 12:56
2
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How to compare two Dates without the time portion?
...
Apache commons-lang is almost ubiquitous. So what about this?
if (DateUtils.isSameDay(date1, date2)) {
// it's same
} else if (date1.before(date2)) {
// it's before
} else {
// it's after
}
...
Java Date vs Calendar
...dar is best for manipulating Dates.
Note: we also sometimes favor java.lang.Long over Date, because Date is mutable and therefore not thread-safe. On a Date object, use setTime() and getTime() to switch between the two. For example, a constant Date in the application (examples: the zero 1970/01/...
Passing a String by Reference in Java?
...
Everything is passed by value in all languages. Some of those values happen to be addresses (references).
– gerardw
Nov 20 '14 at 20:30
...
LINQ Single vs First
...nt question.
Take, for example, a table that stores Customers in different languages using a Composite Key ( ID, Lang ):
DBContext db = new DBContext();
Customer customer = db.Customers.Where( c=> c.ID == 5 ).First();
This code above introduces a possible logic error ( difficult to trace ). It w...
Best way to encode text data for XML in Java?
...pe yourself, you could look into StringEscapeUtils from the Apache Commons Lang library.
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How can I determine whether a Java class is abstract by reflection
...lass.getModifiers() );
Also:
http://java.sun.com/javase/6/docs/api/java/lang/reflect/Modifier.html
http://java.sun.com/javase/6/docs/api/java/lang/Class.html#getModifiers()
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how to view the contents of a .pem certificate
...
I am getting the error java.lang.Exception: Failed to parse input
– maxisme
Jun 6 '14 at 0:19
10
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How to delete or add column in SQLITE?
...add or
remove constraints from a table.
source : http://www.sqlite.org/lang_altertable.html
While you can always create a new table and then drop the older one.
I will try to explain this workaround with an example.
sqlite> .schema
CREATE TABLE person(
id INTEGER PRIMARY KEY,
first_name...
How do I put a clear button inside my HTML text input box like the iPhone does?
...s an SSCCE, you can copy'n'paste'n'run it:
<!DOCTYPE html>
<html lang="en">
<head>
<title>SO question 2803532</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
$(document).read...