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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...
Convert Long into Integer
How to convert a Long value into an Integer value in Java?
14 Answers
14
...
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.
...
How can I convert a std::string to int?
...nd I've found a few solutions but none of them have worked yet. Looking at converting a string to an int and I don't mean ASCII codes.
...
Cast int to varchar
...
You will need to cast or convert as a CHAR datatype, there is no varchar datatype that you can cast/convert data to:
select CAST(id as CHAR(50)) as col1
from t9;
select CONVERT(id, CHAR(50)) as colI1
from t9;
See the following SQL — in action...
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 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"...
How to pretty-print a numpy.array without scientific notation and with given precision?
I'm curious, whether there is any way to print formatted numpy.arrays , e.g., in a way similar to this:
14 Answers
...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
I have been getting the following error when running a SQL to convert my data type value from varchar to datetime .
16 A...