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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...
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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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...
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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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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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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How can I check for Python version in a program that uses new language features?
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Have a wrapper around your program that does the following.
import sys
req_version = (2,5)
cur_version = sys.version_info
if cur_version >= req_version:
import myApp
myApp.run()
else:
print "Your Python interpreter is too old. Please consider upgrading."
You can also consider...
How can I find script's directory with Python? [duplicate]
... Mike, how is it wrong? os.path.dirname(os.path.realpath(__file__)) == sys.path[0] They're identical.
– bobpaul
Apr 22 '16 at 16:51
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When I catch an exception, how do I get the type, file, and line number?
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import sys, os
try:
raise NotImplementedError("No error")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb....