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How can I determine if a variable is 'undefined' or 'null'?
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I'm trying to test if event is null in firefox and an error blocks the execution: "event is undefined"
– Entretoize
Sep 6 '18 at 10:32
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What is “Linting”?
...g is the process of running a program that will analyse code for potential errors.
See lint on wikipedia:
lint was the name originally given to a particular program that flagged some suspicious and non-portable constructs (likely to be bugs) in C language source code. The term is now applied ge...
What is the difference between ng-app and data-ng-app?
...ered Apr 24 '13 at 10:35
abject_errorabject_error
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Is it possible to use jQuery to read meta tags
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Note the single-quotes around the attribute values; this prevents parse errors in jQuery.
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Pip install Matplotlib error with virtualenv
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Same here. pip install matplotlib gave me error: IMPORTANT WARNING: pkg-config is not installed. matplotlib may not be able to find some of its dependencies. Freetype shows not installed. I just did brew install pkg-config and was able to get by.
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Is it possible to dynamically compile and execute C# code fragments?
... select i;
}
}");
results.Errors.Cast<CompilerError>().ToList().ForEach(error => Console.WriteLine(error.ErrorText));
}
}
The class of primary importance here is the CSharpCodeProvider which utilises the compiler to compile code on the ...
“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]
I'm getting this error while building Maven project, I increased MAVEN_OPTS but all the same, I found some similar posts but they are refering to something else. How do I fix this?
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What is the Difference Between read() and recv() , and Between send() and write()?
...tagram, both, recv and read will deliver no data to the caller but also no error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket and not a file, it may not know that this is a datagram socket and not a stream soc...
Can not connect to local PostgreSQL
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This really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to access the socket file. To confirm thi...
How to create an AVD for Android 4.0
... AVD Plugin and re-install it as well. Have to 2 it twice. I ran into this error when going through the setup steps even though I had the ARM EABI installed external from eclipse.
– haju
Dec 1 '11 at 0:34
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