query: Really annoying undefined variable error
positive_passages.docid: 1238
positive_passages.text: mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc... expects parameter 1 to be resource
negative_passages.docid: 53254
negative_passages.text: Undefined function mysql_connect() error
negative_passages.docid: 7250
negative_passages.text: Reference - What does this error mean in PHP?
negative_passages.docid: 83335
negative_passages.text: PHP $_GET and $_POST undefined problem
negative_passages.docid: 6292
negative_passages.text: What is an undefined reference/unresolved external symbol error and how do I fix it?
negative_passages.docid: 19353
negative_passages.text: Undefined index error PHP
negative_passages.docid: 72505
negative_passages.text: Automatically highlight undefined references
negative_passages.docid: 47647
negative_passages.text: "Parse error: syntax error, unexpected T_VARIABLE"
negative_passages.docid: 87653
negative_passages.text: How to disable pylint 'Undefined variable' error for a specific variable in a file?
negative_passages.docid: 124282
negative_passages.text: I just assigned a variable, but echo $variable shows something else
negative_passages.docid: 60457
negative_passages.text: Undefined reference to `sin`
negative_passages.docid: 118210
negative_passages.text: Compiler error when declaring a variable inside if condition and no curly braces
negative_passages.docid: 49446
negative_passages.text: How to check for an undefined or null variable in JavaScript?
negative_passages.docid: 108994
negative_passages.text: How can I get around declaring an unused variable in a for loop?
negative_passages.docid: 157581
negative_passages.text: Compilation error: missing $ inserted
negative_passages.docid: 53203
negative_passages.text: Checking for undefined
negative_passages.docid: 85610
negative_passages.text: Undefined index in PHP post