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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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Declaring abstract method in TypeScript
...(5);
}
}
The old way of mimicking an abstract method was to throw an error if anyone used it. You shouldn't need to do this any more once TypeScript 1.6 lands in your project:
class Animal {
constructor(public name) { }
makeSound(input : string) : string {
throw new Error('Thi...
Does order of where clauses matter in SQL?
...RE T1.col_1/T2.col_2 > 10 AND T2.col_2 <> 0 and got a DIVIDE BY 0 error. After I switched the order the conditions the query executed succesfully. Then I switched the order back so I would expect to get the error again, but this time it worked!In the end my conclusion was that for the first...
Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...M. I'm using Ruby version 1.9.2-p136.
After re-installing under rvm, this error was still present.
In the end the magic command that solved it was:
sudo install_name_tool -change libmysqlclient.16.dylib /usr/local/mysql/lib/libmysqlclient.16.dylib ~/.rvm/gems/ruby-1.9.2-p136/gems/mysql2-0.2.6/li...
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...
error: No resource identifier found for attribute 'adSize' in package 'com.google.example' main.xml
...owed the instructions to add an ad into my app by xml, I got the following errors:
25 Answers
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“Invalid JSON primitive” in Ajax processing
I am getting an error in an ajax call from jQuery.
12 Answers
12
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MIN and MAX in C
...f the correct type. If the type is not supported, there will be a compiler error.
If either x or y is not of the correct type, there will be a compiler error in the ENSURE_ macros. More such macros can be added if more types are supported. I've assumed that only arithmetic types (integers, floats, ...
.gitignore and “The following untracked working tree files would be overwritten by checkout”
... I think the first part is for the reverse of this particular error message. This error is stating the user is currently in a branch that doesn't have those JPG files tracked and the user is trying to move to one that does. So doing git rm --cached will not make a difference, those file...