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Increment a value in Postgres
... I was trying to increment non-integer datatype and getting:ERROR: operator does not exist: character varying + integer LINE 2: SET total = total + 1 Solved by casting the value as integer like this SET total = total::int + 1
– Stew-au
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NullPointerException accessing views in onCreate()
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Agreed, this is a typical error because people often don't really understand how Fragments work when they begin working on Android development. To alleviate confusion, I created a simple example code that I originally posted on Application is stopped ...
.classpath and .project - check into version control or not?
... need to recreate all of those settings, which is annoying and potentially error prone.
Some complex setups may be better handled by a script to generate these files, but usually it is better to just check them in.
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rvm installation not working: “RVM is not a function”
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As you said, the error shown could be the following one.
RVM is not a function, selecting rubies with 'rvm use ...' will not work.
You need to change your terminal emulator preferences to allow login shell.
Sometimes it is required to use `...
How to use the IEqualityComparer
...e general case.
If things don't seem to be working (such as duplicate key errors when doing ToDictionary) put a breakpoint inside Equals to make sure it's being hit and make sure you have GetHashCode defined (with override keyword).
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Print all the Spring beans that are loaded
...operties.ConfigurationPropertiesBindingPostProcessor.store",
"preserveErrorControllerTargetClassPostProcessor",
"org.springframework.context.annotation.internalAutowiredAnnotationProcessor",
"org.springframework.context.annotation.internalRequiredAnnotationProcessor",
"org.spring...
Parsing HTML into NSAttributedText - how to set font?
...ttributes:nil
error:nil];
}
@end
This way you don't need to specify which font you want, it will take the label font and size.
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How do I capitalize first letter of first name and last name in C#?
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Unlike Nathan's answer below, I get an error: "An object reference is required for the non-static field, method, or property......." unfortunately.
– Dan W
Sep 11 '12 at 22:52
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Case insensitive XPath contains() possible?
...fox and Chrome? I just tried it in the console and they both return syntax error.
– d-b
Jun 8 '19 at 11:51
1
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How to wait for a BackgroundWorker to cancel?
...rCompletedEventHandler to see what the status was. Success, canceled or an error.
private void RunWorkerCompletedEventHandler(sender object, RunWorkerCompletedEventArgs e)
{
if(e.Cancelled)
{
Console.WriteLine("The worker was cancelled.");
}
}
Update: To see if your worker has...