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The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
How do you determine the ideal buffer size when using FileInputStream?
...as well.
This is why you see most buffers sized as a power of 2, and generally larger than (or equal to) the disk block size. This means that one of your stream reads could result in multiple disk block reads - but those reads will always use a full block - no wasted reads.
Now, this is offset qu...
Best way to find if an item is in a JavaScript array? [duplicate]
...
As of ECMAScript 2016 you can use includes()
arr.includes(obj);
If you want to support IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The be...
How do I increase modal width in Angular UI Bootstrap?
...p-modal-window .modal-dialog {
width: 500px;
}
Then in the controller calling the modal window, set the windowClass:
$scope.modalButtonClick = function () {
var modalInstance = $modal.open({
templateUrl: 'App/Views/modalView.html',
controller: 'modalControlle...
Multiple queries executed in java in single statement
...
140
I was wondering if it is possible to execute something like this using JDBC.
"SELECT FROM * TAB...
The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}
...guration tools (http://localhost/reportserver)
creating Reports Folder manually
go to Properties of created folder and add these roles to security (builtin\users , builtin\Administrator, domain\user)
Deploy your reports and your problem resolved
...
Iterate a list with indexes in Python
...e this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
6 An...
How to add a ScrollBar to a Stackpanel
...
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Objective-C Split()?
...it strings in objective c into arrays? I mean like this - input string Yes:0:42:value into an array of (Yes,0,42,value)?
5 ...