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How to implement a ConfigurationSection with a ConfigurationElementCollection
...= false)]
[ConfigurationCollection(typeof(ServiceCollection),
AddItemName = "add",
ClearItemsName = "clear",
RemoveItemName = "remove")]
public ServiceCollection Services
{
get
{
return (ServiceCollection)base["Services"];
}
}
}
And that ...
java.net.UnknownHostException: Invalid hostname for server: local
...
What the exception is really saying is that there is no known server with the name "local". My guess is that you're trying to connect to your local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate...
Android AsyncTask threads limits?
...ecute and don't jump to doInBackground. That was just too strange to leave it like that, so I developed another simple application just to check whats wrong. And strange enough, I get the same behavior when count of total async tasks reach 5, the 6th one stops on pre-execute.
...
How to handle many-to-many relationships in a RESTful API?
Imagine you have 2 entities, Player and Team , where players can be on multiple teams. In my data model, I have a table for each entity, and a join table to maintain the relationships. Hibernate is fine at handling this, but how might I expose this relationship in a RESTful API?
...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...
In your table dbo.Sup_Item_Cat, it has a foreign key reference to another table. The way a FK works is it cannot have a value in that column that is not also in the primary key column of the referenced table.
If you have SQL Server Management Stu...
Displaying files (e.g. images) stored in Google Drive on a website
I was wondering if its possible to access/display files like images which are stored in Google Drive on a public website.
2...
How to see query history in SQL Server Management Studio
...w to find their location? If not, can you give me any advice on how to see it?
13 Answers
...
How do I rename a local Git branch?
...e branch, as described in Rename master branch for both local and remote Git repositories .
33 Answers
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Change text color based on brightness of the covered background area?
...rast
Calculating the Perceived Brightness of a Color
Here's the W3C algorithm (with JSFiddle demo too):
const rgb = [255, 0, 0];
// Randomly change to showcase updates
setInterval(setContrast, 1000);
function setContrast() {
// Randomly update colours
rgb[0] = Math.round(Math.ran...
CSS last-child(-1)
...to the new second last child when more children are added to the list, yes it will. Interactive fiddle.
ul li:nth-last-child(2)
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