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How do I execute a string containing Python code in Python?
... the example a string is executed as code using the exec function.
import sys
import StringIO
# create file-like string to capture output
codeOut = StringIO.StringIO()
codeErr = StringIO.StringIO()
code = """
def f(x):
x = x + 1
return x
print 'This is my output.'
"""
# capture output a...
Catch multiple exceptions in one line (except block)
...pe to be caught with a comma.
Here's an example of simple usage:
import sys
try:
mainstuff()
except (KeyboardInterrupt, EOFError): # the parens are necessary
sys.exit(0)
I'm specifying only these exceptions to avoid hiding bugs, which if I encounter I expect the full stack trace from.
...
Convert char to int in C and C++
How do I convert a char to an int in C and C++?
12 Answers
12
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Best way to iterate through a Perl array
...at least 3 CPU seconds...
1: 3 wallclock secs ( 3.16 usr + 0.00 sys = 3.16 CPU) @ 12560.13/s (n=39690)
2: 3 wallclock secs ( 3.18 usr + 0.00 sys = 3.18 CPU) @ 7828.30/s (n=24894)
3: 3 wallclock secs ( 3.23 usr + 0.00 sys = 3.23 CPU) @ 6763.47/s (n=21846)
...
How do you truncate all tables in a database using TSQL?
...TED_IDENTIFIER ON';
IF NOT EXISTS (
SELECT
*
FROM
SYS.IDENTITY_COLUMNS
JOIN SYS.TABLES ON SYS.IDENTITY_COLUMNS.Object_ID = SYS.TABLES.Object_ID
WHERE
SYS.TABLES.Object_ID = OBJECT_ID('?') AND SYS.IDENTITY_COLUMNS.Last_Value IS NULL
)
AND OBJECTPROPERTY( O...
How do I convert hex to decimal in Python? [duplicate]
I have some Perl code where the hex() function converts hex data to decimal. How can I do it on Python ?
3 Answers
...
How to update PATH variable permanently from Windows command line?
...nd on MSDN. The key extract is this:
To programmatically add or modify system environment variables, add them to the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment registry key, then broadcast a WM_SETTINGCHANGE message with lParam set to the string "Environment"...
Converting from IEnumerable to List [duplicate]
I want to convert from IEnumerable<Contact> to List<Contact> . How can I do this?
5 Answers
...
How to convert a color integer to a hex String in Android?
...
Try Integer.toHexString()
Source:
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros?
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Why is there no xrange function in Python3?
... can use xrange from this project. There is futurize tool to automatically convert you source code: python-future.org/…
– guettli
Mar 22 '18 at 20:42
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