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Select Multiple Fields from List in Linq
... in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.category_name)
.ToArray();
Since you (apparently) need to store it for later use, you could use the GroupBy operator:
Data[] cats = listObject
...
Get a CSS value with JavaScript
...the CSS properties that were defined as inline in that element (programmatically, or defined in the style attribute of the element), you should get the computed style.
Is not so easy to do it in a cross-browser way, IE has its own way, through the element.currentStyle property, and the DOM Level 2 ...
is node.js' console.log asynchronous?
...sole.error() are blocking. They do not return until the underlying system calls have succeeded.
Yes, it is possible for a program to exit before everything written to stdout has been flushed. process.exit() will terminate node immediately, even if there are still queued writes to stdout. You sho...
Android custom dropdown/popup menu
...
Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<RelativeL...
How to use null in switch
...ing with String and enum types. Perhaps the enum implementation relies on calling ordinal() behind the scenes (though even so, why not treat null as having an 'ordinal' of -1?), and the String version does something using intern() and pointer-comparison (or otherwise relies upon something that stri...
How do I delete from multiple tables using INNER JOIN in SQL server
...e in this example. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner join table2 as t2
on t2.id = t1.id
inner join table3 as t3
on t3.id = t2.id;
delete from t2
...
Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
... believe the compiler has assigned the first wildcard type during the when call and then cannot confirm that the second wildcard type in the thenReturn call is the same.
It looks like thenAnswer doesn't run into this issue because it accepts a wildcard type while thenReturn takes a non-wildcard ...
Using ping in c#
...est to the provided (valid) IP address or URL and gets a response which is called an Internet Control Message Protocol (ICMP) Packet. The packet contains a header of 20 bytes which contains the response data from the server which received the ping request. The .Net framework System.Net.NetworkInform...
Change bundle identifier in Xcode when submitting my first app in IOS
.... I have entered iOS Provisioning Portal and I am about to create an app ID.
11 Answers
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How do I convert a hexadecimal color to rgba with the Less compiler?
...
Actually, the Less language comes with an embedded function called fade. You pass a color object and the absolute opacity % (higher value means less transparent):
fade(@color, 50%); // Return @color with 50% opacity in rgba
...