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Create a list from two object lists with linq
...ite a lot to this:
list1.Concat(list2)
.ToLookup(p => p.Name)
.Select(g => g.Aggregate((p1, p2) => new Person
{
Name = p1.Name,
Value = p1.Value,
Change = p2.Value - p1.Value
}));
Although this won't error in the case where you have duplicate na...
How do I change the color of radio buttons?
...self consists of a round shape and a dot at the center (when the button is selected). What I want to change is the color of both. Can this be done using CSS?
...
Randomize a List
...uffle();
The code above uses the much criticised System.Random method to select swap candidates. It's fast but not as random as it should be. If you need a better quality of randomness in your shuffles use the random number generator in System.Security.Cryptography like so:
using System.Security....
How to convert linq results to HashSet or HashedSet
...f T explicitly:
var query = from i in Enumerable.Range(0, 10)
select new { i, j = i + 1 };
var resultSet = query.ToHashSet();
You can't do that with an explicit call to the HashSet<T> constructor. We're relying on type inference for generic methods to do it for us.
Now you coul...
ADB No Devices Found
...the same problem on a LG G3 Device that was not getting detected on a Mac. Selecting PTP mode fixed it. Thanks!
– shauvik
Jul 10 '15 at 23:40
|
...
How to construct a REST API that takes an array of id's for the resources
...rRepository.GetAllUsersByIds(userIds);
var collection = users.Select(user => new { id = user.Id, fullname = user.FirstName +" "+ user.LastName });
var result = new { users = collection };
return this.Jsonp(result);
}
public IQueryable<User&...
How to find what code is run by a button or element in Chrome using Developer Tools
... tab, and on the right find Event
Listener Breakpoints:
Expand Mouse and select click
Now click the element (execution should pause), and you are now debugging the code. You can go through all code pressing F11 (which is Step in). Or go back a few jumps in the stack. There can be a ton of jumps
...
Query an XDocument for elements by name at any depth
...n
TheDocument.Descendants( "{http://www.w3.org/2001/XMLSchema}Child" )
select
AnyElement;
ResultsTxt.AppendText( TheElements1.Count().ToString() );
//Example 2:
var TheElements2 =
from
AnyElement
in
TheDocument.Descendants( "{http://www.w3.org/2001/XMLSchema}Child" )
where
AnyE...
File Upload in WebView
... ValueCallback<Uri[]> uploadMessage;
public static final int REQUEST_SELECT_FILE = 100;
private final static int FILECHOOSER_RESULTCODE = 1;
Modified onActivityResult()
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent)
{
if(Build.VERSION.SDK_INT >= ...
How to run a shell script in OS X by double-clicking?
...d:
chmod a+x yourscriptname
Then, in Finder, right-click your file and select "Open with" and then "Other...".
Here you select the application you want the file to execute into, in this case it would be Terminal. To be able to select terminal you need to switch from "Recommended Applications" t...