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Java 8 NullPointerException in Collectors.toMap
...definition of a supplier (the first argument) is a function that passes no parameters and returns a result, thus the lambda for your case would be () -> new TreeMap<>(String.CASE_INSENSITIVE_ORDER) to create a case insensitive String keyed TreeMap.
– Brett Ryan
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Rails 3 execute custom sql query without a model
...
FWIW, Using empty params is not idiomatic ruby. So do connection.execute rather than connection().execute
– radixhound
Nov 14 '13 at 3:38
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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...are about onscreen keyboards. Use http://jsbin.com/AbimiQup/4 to view page params.
We test to see if the document.activeElement is an element which shows the keyboard (input type=text, textarea, etc).
The following code fudges things for our purposes (although not generally correct).
function get...
Correct use of Multimapping in Dapper
...ustomerId").First();
item.Customer.CustomerId.IsEqualTo(1);
The splitOn param needs to be specified as the split point, it defaults to Id. If there are multiple split points, you will need to add them in a comma delimited list.
Say your recordset looks like this:
ProductID | ProductName | Acc...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
...cope.Thread)
@BenchmarkMode(Mode.AverageTime)
public class SO29378922 {
@Param({"1", "100", "1000", "5000", "10000", "100000"}) int n;
private final List<Integer> list = new ArrayList<>();
@Setup public void populateList() {
for (int i = 0; i < n; i++) list.add(0);
}
@Be...
AngularJS $http and $resource
...ttp yourself. To anyone else, $resource adds a cryptic layer of syntax and parameter passing that is confusing.
I wish I knew me 3 months ago, and I'd be emphatically telling myself: "Stick with $http kid. It's just fine."
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Animate scroll to ID on page load
...() returns the coordinates of an element relative to the document, and top param will give you the element's distance in pixels along the y-axis:
$("html, body").animate({ scrollTop: $('#title1').offset().top }, 1000);
And you can also add a delay to it:
$("html, body").delay(2000).animate({scro...
How to easily initialize a list of Tuples?
...ns
{
public static void Add(this IList<BigInteger> list,
params byte[] value)
{
list.Add(new BigInteger(value));
}
public static void Add(this IList<BigInteger> list,
string value)
{
list.Add(BigInteger.Parse(value));
}
}
var bigN...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
...gt; "my_action"
in this case 'id1, id2 & id2 would be passed as http params to the action
In you actions and views,
name_of_route_url(:id1=>val1, :id2=>val2, :id3=>val3)
would evaluate to url 'http://my_application/val1-val2-val3'.
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Including all the jars in a directory within the Java classpath
...mmand should work (prints out all *.jars in lib directory to the classpath param)
java -cp $(for i in lib/*.jar ; do echo -n $i: ; done). my.main.Class
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