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How do I create a unique constraint that also allows nulls?
...te with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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How do I check if a Sql server string is null or empty
...t) AS Offer_Text
FROM ...
is the most elegant solution.
And to break it down a bit in pseudo code:
// a) NULLIF:
if (listing.Offer_Text == '')
temp := null;
else
temp := listing.Offer_Text; // may now be null or non-null, but not ''
// b) ISNULL:
if (temp is null)
result := true;
else
re...
How to use if - else structure in a batch file?
...ut I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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How do I perform an insert and return inserted identity with Dapper?
How do I perform an insert to database and return inserted identity with Dapper?
7 Answers
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Post data to JsonP
Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request?
7 Answers
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How do I clear only a few specific objects from the workspace?
...
but how can you do with the GUI, without the command line? like in Revolution R
– skan
Sep 13 '15 at 11:42
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IEnumerable vs List - What to Use? How do they work?
I have some doubts over how Enumerators work, and LINQ. Consider these two simple selects:
10 Answers
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git mv and only change case of directory
...rning! Ensure that no other changes or untracked files are around when you do this or they will get committed as part of this change! git stash -u first, do this and then git stash pop after. Continuing: To get around this, do the following:
mv foo foo2
git add -A
git commit -m "renaming"
mv foo2 F...
How do I replace all line breaks in a string with elements?
...
If your concern is just displaying linebreaks, you could do this with CSS.
<div style="white-space: pre-line">Some test
with linebreaks</div>
Jsfiddle: https://jsfiddle.net/5bvtL6do/2/
Note: Pay attention to code formatting and indenting, since white-space: pre-line...
How do I read image data from a URL in Python?
What I'm trying to do is fairly simple when we're dealing with a local file, but the problem comes when I try to do this with a remote URL.
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