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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
...
When do you need to explicitly call a superclass constructor?
...structor to call if:
You want to call a superclass constructor which has parameters
You want to chain to another constructor in the same class instead of the superclass constructor
You claim that:
At the same time I've also seen instances on here where someone's problem was not explicitly ca...
Is it considered bad practice to perform HTTP POST without entity body?
...it's OK to send a POST request without a body and instead use query string parameters. But be careful if your parameters contain characters that are not HTTP valid you will have to encode them.
For example if you need to POST 'hello world' to and end point you would have to make it look like this: ...
Ant: How to execute a command for each file in directory?
... recent ant-contrib:
<target name="foo">
<foreach target="bar" param="theFile">
<fileset dir="${server.src}" casesensitive="yes">
<include name="**/*.java"/>
<exclude name="**/*Test*"/>
</fileset>
</foreach>
</target>
<targ...
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...
Pass Method as Parameter using C#
I have several methods all with the same parameter types and return values but different names and blocks. I want to pass the name of the method to run to another method that will invoke the passed method.
...
HTTP POST with URL query parameters — good idea or not? [closed]
...HTTP and I am wondering if using the HTTP POST command, but with URL query parameters only and no request body, is a good way to go.
...
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'.
...
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...
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...