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How To Set Up GUI On Amazon EC2 Ubuntu server
... connecting from Windows Remote Desktop, edit the sshd_config file on your Linux instance to allow password authentication.
sudo vim /etc/ssh/sshd_config
6) Change PasswordAuthentication to yes from no, then save and exit.
7) Restart the SSH daemon to make this change take effect.
sudo /etc/init...
Static methods - How to call a method from another method?
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How do I have to do in Python for calling an static method from another static method of the same class?
class Test() :
@staticmethod
def static_method_to_call()
pass
@staticmethod
def another_static_method() :
Te...
ValueError: setting an array element with a sequence
This Python code:
8 Answers
8
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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Yes, using custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the ta...
“message failed to fetch from registry” while trying to install any module
...xtra steps. Example install:
sudo apt-get update
sudo apt-get install -y python-software-properties python g++ make
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
After that, npm was already included and worked perfectly.
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Parse config files, environment, and command-line arguments, to get a single collection of options
Python's standard library has modules for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also:
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What are important languages to learn to understand different approaches and concepts? [closed]
... reconsider. You've gotten some functional exposure with Clojure and even Python, but you've not experienced it to its fullest without Haskell. If you're really against Haskell then good compromises are either ML or OCaml.
Declarative, Datalog - Many people would recommend Prolog in this slot, bu...
Is there a shortcut on Android Studio to convert a text to uppercase?
...t will turn it all uppercase. It's not intuitive, but it worked fine on my Linux install.
– Michael A.
Aug 25 '14 at 22:03
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Checking if a double (or float) is NaN in C++
...ually in std::tr1:: namespace, though many implementations (i.e. GCC 4+ on Linux or in XCode on Mac OS X 10.5+) inject them directly to std::, so std::isnan is well defined.
Moreover, some implementations of C++ still make C99 isnan() macro available for C++ (included through cmath or math.h), what...
Can't install PIL after Mac OS X 10.9
...'ve just updated my Mac OS to 10.9 and I discovered that some (all?) of my Python modules are not here anymore, especially the Image one.
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