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javax.faces.application.ViewExpiredException: View could not be restored
...other tab/window, then you'd like to specify an error-page for that in web.xml which goes to a "Your session is timed out" page. E.g.
<error-page>
<exception-type>javax.faces.application.ViewExpiredException</exception-type>
<location>/WEB-INF/errorpages/expired.xhtm...
How to export query result to csv in Oracle SQL Developer?
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FYI, you can substitute the /*csv*/
for other formats as well including /*xml*/ and /*html*/.
select /*xml*/ * from emp would return an xml document with the query results for example.
I came across this article while looking for an easy way to return xml from a query.
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How do I tell Maven to use the latest version of a dependency?
... In the Maven repository, com.foo:my-foo has the following metadata:
<?xml version="1.0" encoding="UTF-8"?><metadata>
<groupId>com.foo</groupId>
<artifactId>my-foo</artifactId>
<version>2.0.0</version>
<versioning>
<release>1.1...
Run function from the command line
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With the -c (command) argument (assuming your file is named foo.py):
$ python -c 'import foo; print foo.hello()'
Alternatively, if you don't care about namespace pollution:
$ python -c 'from foo import *; print hello()'
And the middle ground:
$ python -c 'from foo import hello; print hello...
How do I install the yaml package for Python?
I have a Python program that uses YAML. I attempted to install it on a new server using pip install yaml and it returns the following:
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How can I make a Python script standalone executable to run without ANY dependency?
I'm building a Python application and don't want to force my clients to install Python and modules.
19 Answers
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What is the naming convention in Python for variable and function names?
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See Python PEP 8: Function and Variable Names:
Function names should be lowercase, with words separated by underscores as necessary to improve readability.
Variable names follow the same convention as function names.
mixedCase i...
Disable output buffering
Is output buffering enabled by default in Python's interpreter for sys.stdout ?
16 Answers
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Stripping everything but alphanumeric chars from a string in Python
...the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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Maximum value for long integer
...ric Types where you'll see that Long integers have unlimited precision. In Python 2, Integers will automatically switch to longs when they grow beyond their limit:
>>> import sys
>>> type(sys.maxsize)
<type 'int'>
>>> type(sys.maxsize+1)
<type 'long'>
for i...