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Value cannot be null. Parameter name: source
...t.Count(null);
I found that passing null here was causing the error so I now call the parameter-less method if the filter is null:
if (filter == null)
{
return dbSet.Count();
}
else
{
return dbSet.Count(filter);
}
This sorted the issue for me. This may be an issue for any other...
How do I save a String to a text file using Java?
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The function is now deprecated, you should add the default charset --> FileUtils.writeStringToFile(new File("test.txt"), "Hello File", forName("UTF-8"));
– Paul Fournel
Nov 9 '17 at 8:10
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Best data type for storing currency values in a MySQL database
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Link is now dead, unfortunately.
– Marco Aurélio Deleu
Aug 19 '19 at 9:16
1
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Accurate way to measure execution times of php scripts
I want to know how many milliseconds a PHP for-loop takes to execute.
14 Answers
14
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Using cURL with a username and password?
...equires a username/password. I'd like to try accessing it with curl. Right now I'm doing something like:
17 Answers
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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
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This is an annoying Eclipse Bug which seems to bite now and then. See http://dev-answers.blogspot.de/2009/06/eclipse-build-errors-javalangobject.html for a possible solution, otherwise try the following;
Close the project and reopen it.
Clean the project (It will rebuild the...
What is the purpose of the HTML “no-js” class?
... here, but it seems to me that .js { padding: ...} is just fine since you know as the one who implemented it that body = .js. More directly to your point, it seems you are claiming that body.js is worse than .js body which I am not following...
– wired_in
Mar 1...
Do you need text/javascript specified in your tags?
...uired and unnecessary. In HTML, it is better to leave it out. The browser knows what to do.
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Big-O summary for Java Collections Framework implementations? [closed]
...soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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Number of rows affected by an UPDATE in PL/SQL
...e, if my table T has one column c1 which contains "1" as value for all and now I update all rows for that column to "2", how will partitioning by null help?
– nanosoft
Mar 20 '17 at 9:02
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