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Linq to Entities join vs groupjoin
...for C. While GroupJoin is the equivalent of OUTER JOIN: C is in the result set, but with an empty list of related entries (in an SQL result set there would be a row C - null).
Syntax
So let the two lists be IEnumerable<Parent> and IEnumerable<Child> respectively. (In case of Linq to Enti...
JavaScript - get the first day of the week from current date
... day + (day == 0 ? -6:1); // adjust when day is sunday
return new Date(d.setDate(diff));
}
getMonday(new Date()); // Mon Nov 08 2010
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pass post data with window.location.href
....href it's not possible to send a POST request.
What you have to do is to set up a form tag with data fields in it, set the action attribute of the form to the URL and the method attribute to POST, then call the submit method on the form tag.
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Use “ENTER” key on softkeyboard instead of clicking button
...
You do it by setting a OnKeyListener on your EditText.
Here is a sample from my own code. I have an EditText named addCourseText, which will call the function addCourseFromTextBox when either the enter key or the d-pad is clicked.
addCo...
How can I restart a Java application?
...n by -Djava.home.)
You would presumably want to honor the original memory settings etc (-Xmx, -Xms, …) so you need to figure out which settings where used to start the first JVM. You could try using ManagementFactory.getRuntimeMXBean().getInputArguments() but there's no guarantee that this will r...
How to pass json POST data to Web API method as an object?
...ct the ajax request's headers, you can see that the Content-Type value is set as application/json.
If you do not specify contentType explicitly, It will use the default content type which is application/x-www-form-urlencoded;
Edit on Nov 2015 to address other possible issues raised in comments...
How can I get the actual stored procedure line number from an error message?
...abit I place LINENO 0 directly after BEGIN in my stored procedures. This resets the line number - to zero, in this case. Then just add the line number reported by the error message to the line number in SSMS where you wrote LINENO 0 and bingo - you have the error's line number as represented in the ...
XPath to select multiple tags
...operates on two Boolean values. The XPath union operator | operates on two sets of nodes. These are quite different and there are specific use cases for each of them. Using | can solve the original problem, but it results in a longer and more complex and challenging to understand XPath expression. T...
Simple explanation of MapReduce?
...tion can run in parallel with a large number of the same map task. The dataset can then be reduced to a scalar value.
So if you think of it like a SQL statement
SELECT SUM(salary)
FROM employees
WHERE salary > 1000
GROUP by deptname
We can use map to get our subset of employees with salary &...
Backbone.View “el” confusion
How should a view's el be handled?
It has to be set, otherwise events don't fire (see here ).
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