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Docker - how can I copy a file from an image to a host?
... Underrated answer! It also works if you add --rm to the docker create call to leave no trace of the temporary container.
– Jonathan Dumaine
Sep 17 at 21:37
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How can you sort an array without mutating the original array?
...rr) {
return arr.concat().sort();
}
// Or:
return Array.prototype.slice.call(arr).sort(); // For array-like objects
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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
... bubble up.
Here is a real world example:
$("form").submit(); //actually calling `.trigger('submit');`
This would run any submit handlers, for example the jQuery validation plugin, then try to submit the <form>. However if you just wanted to validate, since it's hooked up via a submit eve...
@Html.HiddenFor does not work on Lists in ASP.NET MVC
... though: The object's Id field needs to be referred to. So if the field is called RowId, then: @Html.HiddenFor(model => Model.ToGroups[i].RowId)
– Krishna Gupta
Nov 3 '15 at 16:11
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How to use custom packages
... something very obvious but I cannot find much information about this. Basically, I have these two files in the same folder:
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Convert Rows to columns using 'Pivot' in SQL Server
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) piv;
See SQL Demo
Then if you need to generate the week number dynamically, your code will be:
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @cols = STUFF((SELECT ',' + QUOTENAME(Week)
from yt
group by Week
or...
Explicit vs implicit SQL joins
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So-called "implicit joins" of the 'inner' or 'cross' variety remain in the Standard. SQL Server is deprecating the "old-style" outer join syntax (i.e. *= and =*) which has never been Standard.
– onedaywhen
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Passing data between a fragment and its container activity
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In your fragment you can call getActivity().
This will give you access to the activity that created the fragment. From there you can obviously call any sort of accessor methods that are in the activity.
e.g. for a method called getResult() on your ...
How to center align the ActionBar title in Android?
...ave other stuff in your action bar (back/home button, menu button). So basically I have put the override methods in a basic activity (which all other activities extend), and placed the code there. This code sets the title of each activity as it is provided in AndroidManifest.xml, and also does som o...
PreparedStatement with list of parameters in a IN clause [duplicate]
... PreparedStatement with in clause.
EDIT:
An obvious approach is to dynamically generate the '?' part at runtime, but I don't want to merely suggest just this approach because depending on the way you use it, it might be inefficient (since the PreparedStatement will need to be 'compiled' every time...