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What is the use of printStackTrace() method in Java?
...tion
Calling e.printStackTrace():
java.io.IOException
at package.Test.main(Test.java:74)
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IntelliJ Organize Imports
... does it? I did a 'ctrl + alt + o' on project, src, java and did mvn clean test ... i still got 'symbol not found' for recent refactor.
– old-monk
Jul 5 '18 at 17:52
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How do I associate file types with an iPhone application?
...d, a number is suffixed to the filename and is incremented to be unique -- test.text, test-1.txt, test-2.txt, etc.
– memmons
Oct 10 '11 at 19:00
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How to run SQL script in MySQL?
...ve to declare the SQL file as source.
mysql> source \home\user\Desktop\test.sql;
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How to declare a global variable in php?
...a class with properties may be a good choice instead of a global:
class MyTest
{
protected $a;
public function __construct($a)
{
$this->a = $a;
}
public function head()
{
echo $this->a;
}
public function footer()
{
echo $this->...
Devise Secret Key was not set
...re run "rails g devise:install" after creating users. If you use git, make testing branch and try it. If not, try it on a copy of your project.
– sascha.daniels
Jan 16 '14 at 11:21
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How can I get zoom functionality for images?
...ode below is very dated. You can check out the github project to get the latest code.
USAGE
Place TouchImageView.java in your project. It can then be used the same as
ImageView. Example:
TouchImageView img = (TouchImageView) findViewById(R.id.img);
If you are using TouchImageView in xml, then y...
How to Save Console.WriteLine Output to Text File
...
added this to my standard test console template.
– Valamas
Apr 25 '14 at 23:17
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Check if at least two out of three booleans are true
... boolean c) {
return a && (b || c) || (b && c);
}
It tests a and b exactly once, and c at most once.
References
JLS 15.25 Conditional Operator ? :
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Can an int be null in Java?
...ect can be null, like Integer. Here's a basic example to show when you can test for null:
Integer data = check(Node root);
if ( data == null ) {
// do something
} else {
// do something
}
On the other hand, if check() is declared to return int, it can never be null and the whole if-else block ...