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How do I detect whether sys.stdout is attached to terminal or not? [duplicate]
Is there a way to detect whether sys.stdout is attached to a console terminal or not? For example, I want to be able to detect if foo.py is run via:
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How to fix “Attempted relative import in non-package” even with __init__.py
...hin the same package. There's no way to relatively import from "the whole system". I'm not even sure why you'd want to do this.
– BrenBarn
Jul 8 '13 at 17:46
2
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Determining the last changelist synced to in Perforce
...orce. This is often needed for things like injecting the changelist number into the revision info by the automatic build system.
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YAML current date in rmarkdown
...d valid in YAML by quoting the inline R expression, e.g.
date: "`r format(Sys.time(), '%d %B, %Y')`"
Then the parsing error will be gone, and the date will be generated in the markdown output so Pandoc can use the value from Sys.time().
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How do you list the primary key of a SQL Server table?
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It's generally recommended practice now to use the sys.* views over INFORMATION_SCHEMA in SQL Server, so unless you're planning on migrating databases I would use those. Here's how you would do it with the sys.* views:
SELECT
c.name AS column_name,
i.name AS index_n...
Find the number of columns in a table
...=st.executeQuery(quer);
ResultSetMetaData rsmd = rs.getMetaData();
int NumOfCol=0;
NumOfCol=rsmd.getColumnCount();
System.out.println("Query Executed!! No of Colm="+NumOfCol);
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Permanently adding a file path to sys.path in Python
...to use from various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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Simple argparse example wanted: 1 argument, 3 results
...attr(args, 'foo-bar'))
The thing that threw me off is that argparse will convert the named argument "--foo-bar" into "foo_bar", but a positional parameter named "foo-bar" stays as "foo-bar", making it less obvious how to use it in your program.
Notice the two lines near the end of my example -- ...
Log exception with traceback
...to log our python exception tracebacks. At first I thought that the python system exception hook, sys.excepthook would be the perfect place to insert the logging code. I was trying something similar to:
import traceback
import StringIO
import logging
import os, sys
def my_excepthook(excType, excVa...
PyLint “Unable to import” error - how to set PYTHONPATH?
...de the directory above your module, like this:
[MASTER]
init-hook='import sys; sys.path.append("/path/to/root")'
(Or in other version of pylint, the init-hook requires you to change [General] to [MASTER])
Both of these options ought to work.
Hope that helps.
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