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Changing password with Oracle SQL Developer
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The correct syntax for updating the password using SQL Developer is:
alter user user_name identified by new_password replace
old_password ;
You can check more options for this command here: ALTER USER-Oracle DOCS
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Range references instead values
...saw that range returns the key and the "copy" of the value. Is there a way for that range to return the adress of the item? Example
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Build the full path filename in Python
... do I build the file path from a directory name, base filename, and a file format string?
4 Answers
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Manually raising (throwing) an exception in Python
... Exception('I know Python!') # Don't! If you catch, likely to hide bugs.
For example:
def demo_bad_catch():
try:
raise ValueError('Represents a hidden bug, do not catch this')
raise Exception('This is the exception you expect to handle')
except Exception as error:
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Getting the caller function name inside another function in Python? [duplicate]
...get the info you want. Its stack method returns a list of frame records.
For Python 2 each frame record is a list. The third element in each record is the caller name. What you want is this:
>>> import inspect
>>> def f():
... print inspect.stack()[1][3]
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>>> def...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...cribes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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How to read a file into a variable in shell?
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In cross-platform, lowest-common-denominator sh you use:
#!/bin/sh
value=`cat config.txt`
echo "$value"
In bash or zsh, to read a whole file into a variable without invoking cat:
#!/bin/bash
value=$(<config.txt)
echo "$value"
Inv...
Immutable vs Mutable types
... edited Jun 26 '13 at 8:18
Forethinker
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answered Nov 9 '11 at 1:50
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Best algorithm for detecting cycles in a directed graph [closed]
What is the most efficient algorithm for detecting all cycles within a directed graph?
14 Answers
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How to execute a Python script from the Django shell?
...d also do:
$ ./manage.py shell
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>>> execfile('myscript.py')
For python3 you would need to use
>>> exec(open('myscript.py').read())
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