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Simple way to convert datarow array to datatable
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This technique is helpful if you get the error message "An invalid data source is being used for MyControl. A valid data source must implement either IListSource or IEnumerable" when trying to bind a DataRow directly to the DataSource property of a control. Here's ...
Why should I use the keyword “final” on a method parameter in Java?
...d String.
}
Mark the local variable as final. This results in a compiler error.
void doSomething( String arg ) {
final String x = arg; // Mark variable as 'final'.
x = "elephant"; // Compiler error: The final local variable x cannot be assigned.
arg = "giraffe";
}
Instead, let’s ma...
What scalability problems have you encountered using a NoSQL data store? [closed]
...ded database for I now use Redis. e.g. To get a real-time combined rolling error log for all our services (which has notoriously been a hard task for us), is now accomplished with only a couple of lines by just pre-pending the error to a Redis server side list and then trimming the list so only the ...
The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}
... report for the model I published using report builder I get the following error.
21 Answers
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Change SQLite database mode to read-write
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There can be several reasons for this error message:
Several processes have the database open at the same time (see the FAQ).
There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that th...
Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
... GM, anytime I switch to the 5.1, 6.0 or 6.1 simulators to test, I get the error "iOS Simulator failed to install application." When I reset the simulator it works, but this is getting very tiring.
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receiver type *** for instance message is a forward declaration
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FWIW, I got this error when I was implementing core data in to an existing project. It turned out I forgot to link CoreData.h to my project. I had already added the CoreData framework to my project but solved the issue by linking to the fram...
How to Publish Web with msbuild?
...BuildPackage">
<MSBuild Projects="$(SolutionFile)" ContinueOnError="false" Targets="Rebuild" Properties="Configuration=$(Configuration)" />
<MSBuild Projects="$(ProjectFile)" ContinueOnError="false" Targets="Package" Properties="Configuration=$(Configuration)" />
&...
Error during SSL Handshake with remote server
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I have 2 servers setup on docker, reverse proxy & web server.
This error started happening for all my websites all of a sudden after 1 year.
When setting up earlier, I generated a self signed certificate on the web server.
So, I had to generate the SSL certificate again and it started worki...
UnboundLocalError on local variable when reassigned after first use
...inds its local variable named c, which has no value yet, and so throws the error.
The statement global c mentioned above simply tells the parser that it uses the c from the global scope and so doesn't need a new one.
The reason it says there's an issue on the line it does is because it is effectiv...