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Why is semicolon allowed in this python snippet?
...f you want to use other arguments in your one-liner, you'll have to import sys to get at sys.argv, which requires a separate import statement. e.g.
python -c "import sys; print ' '.join(sorted(sys.argv[1:]))" 5 2 3 1 4
1 2 3 4 5
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How can I convert a Unix timestamp to DateTime and vice versa?
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Did you just miss the "vice versa"? How do we convert a DateTime to a timestamp?
– Jonny
Dec 8 '14 at 8:31
42
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How to uninstall editable packages with pip (installed with -e)
...t {virtualenv}/lib/python2.7/site-packages/ (if not using virtualenv then {system_dir}/lib/python2.7/dist-packages/)
remove the egg file (e.g. distribute-0.6.34-py2.7.egg) if there is any
from file easy-install.pth, remove the corresponding line (it should be a path to the source directory or of a...
Read data from SqlDataReader
... is a string, you can use .ToString(). If it is another type, you need to convert it using System.Convert.
SqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
string column = rdr["ColumnName"].ToString();
int columnValue = Convert.ToInt32(rdr["ColumnName"]);
}
...
MySQL integer field is returned as string in PHP
...ou select data from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
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Django: How to manage development and production settings?
...or each stage.
At the top of your settings_dev.py file, add this:
import sys
globals().update(vars(sys.modules['settings']))
To import variables that you need to modify.
This wiki entry has more ideas on how to split your settings.
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Print current call stack from a method in Python code
...want to keep redirected output together), use:
traceback.print_stack(file=sys.stdout)
But getting it via traceback.format_stack() lets you do whatever you like with it.
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Call a function from another file?
...king**")
Alternative 2
Add the directory where you have your function to sys.path
import sys
sys.path.append("**Put here the directory where you have the file with your function**")
from file import function
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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
I have a Python datetime object that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch.
13 Ans...
Is unsigned integer subtraction defined behavior?
...he result of the addition is unsigned int. Then that result is implicitly converted to the type required in context, a conversion which fails because the value is not representable in the new type.
– Ben Voigt
Oct 14 '15 at 3:20
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