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how to release localhost from Error: listen EADDRINUSE
...7
and when i try to run the tester in the command line i get the following error
28 Answers
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
I keep getting an error that says
10 Answers
10
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How to check if a python module exists without importing it
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import imp
try:
imp.find_module('eggs')
found = True
except ImportError:
found = False
To find dotted imports, you need to do more:
import imp
try:
spam_info = imp.find_module('spam')
spam = imp.load_module('spam', *spam_info)
imp.find_module('eggs', spam.__path__) # __path...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
When I start Tomcat I get the following error:
16 Answers
16
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Error 1046 No database Selected, how to resolve?
Error
SQL query:
16 Answers
16
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Why use strict and warnings?
...helps find typos in variable names. Even experienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning up or refactoring code.
Using use strict; use warnings; catches many errors sooner than they would be caught otherwise, which makes it eas...
Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
...s correctly in my local Machine. But on Production server i am getting the error message
25 Answers
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SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
I upgraded from Java 1.6 to Java 1.7 today.
Since then an error occur when I try to establish a connection to my webserver over SSL:
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With bash, how can I pipe standard error into another process?
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Bash 4 has this feature:
If `|&' is used, the standard error of command1 is connected to command2's standard input through the pipe; it is shorthand for 2>&1 |. This implicit redirection of the standard error is performed after any redirections specified by the command.
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