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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...t can be extended more in general
public static <T> T coalesce(T... params)
{
for (T param : params)
if (param != null)
return param;
return null;
}
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impro...
Set time to 00:00:00
... to do just this.
/**
* sets all the time related fields to ZERO!
*
* @param date
*
* @return Date with hours, minutes, seconds and ms set to ZERO!
*/
public static Date zeroTime( final Date date )
{
return DateTimeUtil.setTime( date, 0, 0, 0, 0 );
}
/**
* Set the time of the given Date...
JUnit test with dynamic number of tests
...
Take a look at Parameterized Tests in JUnit 4.
Actually I did this a few days ago. I'll try to explain ...
First build your test class normally, as you where just testing with one input file.
Decorate your class with:
@RunWith(Parameteri...
What is the _snowman param in Ruby on Rails 3 forms for?
...
This parameter was added to forms in order to force Internet Explorer (5, 6, 7 and 8) to encode its parameters as unicode.
Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To underst...
Passing an array as a function parameter in JavaScript
I'd like to call a function using an array as parameters:
10 Answers
10
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Android- create JSON Array and JSON Object
...
You can create a a method and pass paramters to it and get the json as a response.
private JSONObject jsonResult(String Name,int id, String curriculum) throws JSONException {
JSONObject json = null;
json = new JSONObject("{\"" + "Name" + "\"...
Random String Generator Returning Same String [duplicate]
...mFileName does not create a file. When the security of your file system is paramount, this method should be used instead of GetTempFileName." We are talking about GetRandomFileName() not GetTempFileName().
– quantum
Nov 7 '12 at 2:27
...
How do I PHP-unserialize a jQuery-serialized form?
...alize method. If you serialize the data, it should be sent to PHP as query parameters if you are using a GET method ajax request or post vars if you are using a POST ajax request. So in PHP, you would access values like $_POST["varname"] or $_GET["varname"] depending on the request type.
The seria...
How can I read a function's signature including default argument values?
...oo)
>>> str(sig)
'(a, *, b:int, **kwargs)'
>>> str(sig.parameters['b'])
'b:int'
>>> sig.parameters['b'].annotation
<class 'int'>
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...
RSpec: describe, context, feature, scenario?
... 1st state of the feature/behaviour I'm testing
context "without a order param" do
...
end
# 2nd state of the feature/behaviour I'm testing
context "with a given order column" do
..
end
# Last state of the feature/behaviour I'm testing
context "with a given order column + rev...