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Understanding __get__ and __set__ and Python descriptors
... make sure those divisions are / 5.0 and / 9.0). That gives:
100.0
32.0
Now there are other, arguably better ways to achieve the same effect in python (e.g. if celsius were a property, which is the same basic mechanism but places all the source inside the Temperature class), but that shows what c...
Specify sudo password for Ansible
...extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either seems to work.
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Why does the expression 0 < 0 == 0 return False in Python?
...es check if 0 < 0 which obviously returns False onto the python stack.
Now notice line 11: JUMP_IF_FALSE_OR_POP 23
This means that if 0 < 0 returns False perform a jump to line 23.
Now, 0 < 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
Is there a decorator to simply cache function return values?
...
the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache
– Frederick Nord
Jul 21 '15 at 7:55
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Difference between String replace() and replaceAll()
...erloaded to accept both a primitive char and a CharSequence as arguments.
Now as far as the performance is concerned, the replace() method is a bit faster than replaceAll() because the latter first compiles the regex pattern and then matches before finally replacing whereas the former simply matche...
Does Dart support enumerations?
... constants within the class are compile time constants, and this class can now be used in, for example, switch statements:
var a = Fruit.APPLE;
switch (a) {
case Fruit.APPLE:
print('Yes!');
break;
}
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How can I swap positions of two open files (in splits) in vim?
..._|______|
| three |
| |
|__________________|
Now make either 'one' or 'two' the active window, then issue the command ctrl+w r. This 'rotates' the windows in the current row, leaving you with:
____________________
| two | one |
| | |
|___________|...
How do I capture SIGINT in Python?
...ython script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
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Looping through a hash, or using an array in PowerShell
...not; because I, like most people, like my code to run as fast as possible. Now, your argument is changing to running jobs in parallel (potentially using multiple computers/servers) ... which of course is faster than running a job in series from a single thread. Cheers!
– Vertig...
What is the best way to prevent session hijacking?
...ker will not.
EDIT: This answer was originally written in 2008. It's 2016 now, and there's no reason not to have SSL across your entire site. No more plaintext HTTP!
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