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ElasticSearch - Return Unique Values
...ed my answer with an example result. You can/should also set "size": 0, in order to not include any of the documents, only the aggregated results you wanted.
– Anton
Aug 24 '14 at 12:15
...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
...ode, you're always removing a single delegate. The second part talks about ordering of delegates after a duplicate delegate was removed. An event doesn't guarantee an order of execution for its subscribers, so it doesn't really affect you either.
Since the above mechanics can lead to unpredictab...
If i synchronized two methods on the same class, can they run simultaneously?
...reads are shut out of all synchronized instance methods on that object.
In order for the two methods to run concurrently they would have to use different locks, like this:
class A {
private final Object lockA = new Object();
private final Object lockB = new Object();
public void methodA...
Singular or plural controller and helper names in Rails
... controllers that are tied directly to a specific model: User -> Users, etc.), but you can use whatever you want.
As for helpers, all helpers are available for all controllers by default, so technically, how you name your helpers doesn't matter at all. It's just another convention to keep a cont...
How can I validate a string to only allow alphanumeric characters in it?
...r digits, or for things that look like numbers (fractions, Roman numerals, etc.; see msdn.microsoft.com/en-us/library/yk2b3t2y.aspx). Given that, and if one was feeling particularly evil, one could compress the contents of IsAlphaNum even further: return string.IsNullOrEmpty(str) ? false : str.ToCh...
Vim - how to run a command immediately when starting vim?
...ent variables and files and sets values
accordingly. Vim proceeds in this order:
1. Set the 'shell' and 'term' option *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and/or files *vimrc* *exrc*
4. Load the plugin scripts. ...
How to show “if” condition on a sequence diagram?
...ent. It would be lovely if ZenUML could draw that. It would be three calls ordered in time.
– Chef Gladiator
Jun 28 '19 at 8:43
...
How to create ASP.NET Web API Url?
... neither in your views nor in the standard controllers.
UPDATE:
And in order to do routing outside of an ApiController you could do the following:
public class HomeController : Controller
{
public ActionResult Index()
{
string url = Url.RouteUrl(
"DefaultApi",
...
How to know user has clicked “X” or the “Close” button?
...losed the app, or it was due to a shutdown, or closed by the task manager, etc...
You can do different actions, according to the reason, like:
void Form_FormClosing(object sender, FormClosingEventArgs e)
{
if(e.CloseReason == CloseReason.UserClosing)
// Prompt user to save his data
...
What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
...a document-oriented system relies on internal structure in the document in order to extract metadata that the database engine uses for further optimization.
If we deals about difference between MOngoDb and Cassandra.
MongoDB acts much like a relational database. Its data model consists of a databa...