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Using Linq to get the last N elements of a collection?
...re, but it's been a while since I did one and I didn't want to hassle with test-code to figure out if I did it right. I must say I'm falling in love with LINQPad though :) linqpad.net
– Lasse V. Karlsen
Aug 10 '10 at 21:11
...
Is it possible to use JavaScript to change the meta-tags of the page?
...dd personalized content here. Example:
<!DOCTYPE html>
<title>Test</title>
<meta name="description" content="this is old">
<script type='text/javascript' src='http://code.jquery.com/jquery-1.8.2.js'></script>
<button>Change description</button>
<...
Difference between Node object and Element object?
...where the nodeType property has a value of 1.
So document.getElementById("test") can only return one node and it's guaranteed to be an element (a specific type of node). Because of that it just returns the element rather than a list.
Since document.getElementsByClassName("para") can return more t...
How to access a mobile's camera from a web app?
... (front) camera. To access video, substitute "video" for "image" in name.
Tested on iPhone 5c, running iOS 10.3.3, firmware 760, works fine.
https://www.w3.org/TR/html-media-capture/
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impro...
Run JavaScript code on window close or page refresh?
...
Not tested, but I think return false; does the same (i.e. prevents the default behavior) and it is more semantically correct.
– collimarco
Sep 24 '13 at 15:12
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How do I declare a namespace in JavaScript?
...
var your_namespace = your_namespace || {};
your_namespace.Foo = {toAlert:'test'};
your_namespace.Bar = function(arg)
{
alert(arg);
};
with(your_namespace)
{
Bar(Foo.toAlert);
}
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How do I convert an enum to a list in C#? [duplicate]
...public enum MyEnum
{
Name1=1,
Name2=2,
Name3=3
}
public class Test
{
List<EnumModel> enums = ((MyEnum[])Enum.GetValues(typeof(MyEnum))).Select(c => new EnumModel() { Value = (int)c, Name = c.ToString() }).ToList();
// A list of Names only, does away with the ne...
How to remove all null elements from a ArrayList or String Array?
...t, if the list is really big and performance is a concern, I would suggest testing both ways. My guess would be that removeIf is faster, but it's a guess.
– MarcG
Feb 6 '16 at 4:28
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How does autowiring work in Spring?
...utowiring dependencies you can save a lot of boilerplate code in your Unit Tests and also Controller, Service and Dao Classes, because the instantiation of the fields come with it automatically. No need to call the constructor.
– kiltek
Jul 26 '17 at 7:25
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Export specific rows from a PostgreSQL table as INSERT SQL script
...hat, based on @PhilHibbs codes, on a different way.
Please have a look and test.
CREATE OR REPLACE FUNCTION dump(IN p_schema text, IN p_table text, IN p_where text)
RETURNS setof text AS
$BODY$
DECLARE
dumpquery_0 text;
dumpquery_1 text;
selquery text;
selvalue text;
...