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What is the use of ObservableCollection in .net?
...d;
// Now add a new item.
people.Add(new Person("Fred", "Smith", 32));
// Remove an item.
people.RemoveAt(0);
Console.ReadLine();
}
static void people_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
// W...
Java: How to convert List to Map
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325
With java-8, you'll be able to do this in one line using streams, and the Collectors class.
M...
SELECT DISTINCT on one column
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329
Assuming that you're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER():
SELE...
Change default app.config at runtime
...
answered Sep 8 '16 at 15:32
LiohAuLiohAu
51988 silver badges3333 bronze badges
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Update all objects in a collection using LINQ
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32
This approach certainly works but it violates the intent of the All() extension method, leading to potential confusion when someone else re...
C++ static virtual members?
...ethods.
– Nate C-K
Nov 11 '15 at 23:32
add a comment
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Use logging print the output of pprint
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to find out the number of CPUs using python
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32
On Python 3.6.2 I could only use os.cpu_count()
– Achilles
Sep 11 '17 at 19:59
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Best way to check if object exists in Entity Framework?
...s null , it works 100% for me
try
{
var ID = Convert.ToInt32(Request.Params["ID"]);
var Cert = (from cert in db.TblCompCertUploads where cert.CertID == ID select cert).FirstOrDefault();
if (Cert != null)
{
db.TblCompCertUploads.DeleteObject(Cert);...
MySQL: What's the difference between float and double?
...| double | decimal |
+-------------------+------------+-----+
|2.5999999046325684 | 2.6 | 2.60000 |
1.3 float MULTIPLIED by 1.3 of different types:
| float | double | decimal |
+--------------------+--------------------+--------------+
| 1.6899998760223411 | 1.690...