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Await on a completed task same as task.Result?
...efer await over Result (or Wait). The first is that the error handling is different; await does not wrap the exception in an AggregateException. Ideally, asynchronous code should never have to deal with AggregateException at all, unless it specifically wants to.
The second reason is a little more s...
What is the difference between Factory and Strategy patterns?
Can any one explain the difference between factory and strategy patterns?
12 Answers
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How to line-break from css, without using ?
...mark-up there is - the <br /> element exists for a very good reason. If you want the line break because they are separate paragraphs, then simply mark them up as separate paragraphs.
– Rowland Shaw
Apr 24 '10 at 8:11
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Access Control Request Headers, is added to header in AJAX request with jQuery
...izationToken);
},
url: "entities",
data: "json=" + escape(JSON.stringify(createRequestObject)),
processData: false,
success: function(msg) {
$("#results").append("The result =" + StringifyPretty(msg));
}
});
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How to count occurrences of a column value efficiently in SQL?
...his should work:
SELECT age, count(age)
FROM Students
GROUP by age
If you need the id as well you could include the above as a sub query like so:
SELECT S.id, S.age, C.cnt
FROM Students S
INNER JOIN (SELECT age, count(age) as cnt
FROM Students
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How to see full symlink path
...
readlink -f symlinkName
The above should do the trick.
Alternatively, if you don't have either of the above installed, you can do the following if you have python 2.6 (or later) installed
python -c 'import os.path; print(os.path.realpath("symlinkName"))'
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Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
...incidunt non rhoncus id, dictum a lectus. Nam sed ipsum a lacus sodales eleifend. Vestibulum lorem felis, rhoncus elementum vestibulum eget, dictum ut velit. Nullam venenatis, elit in suscipit imperdiet, orci purus posuere mauris, quis adipiscing ipsum urna ac quam.</p>
</div>
And CS...
When does static class initialization happen?
When are static fields initialized? If I never instantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant?
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...but no longer bundles ANY CA certs. So by default it'll reject all SSL certificates as unverifiable.
You'll have to get your CA's cert and point curl at it. More details at cURLS's Details on Server SSL Certificates.
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Order a MySQL table by two columns
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hahaha .... not is a good query, because if you try, never can reorder the "empty" values category... nice try in 2009 .. but in 2015 don't work correctly ;), The correct is "3" or "2" sub query
– user3402040
Feb 4 '16 at 15:38...