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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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If the snapshot is of the root volume, Amazon recommends stopping the instance before taking the snapshot: docs.aws.amazon.com/AWSEC2/latest/UserGuide/…
– Taterhead
Dec 8 '16 at 9:38
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What is the standard Python docstring format? [closed]
... syntax that offers better guidance than PEP-257. For example:
def square_root(n):
"""Calculate the square root of a number.
Args:
n: the number to get the square root of.
Returns:
the square root of n.
Raises:
TypeError: if n is not a number.
ValueE...
How do I get monitor resolution in Python?
...o this post: How to get the screen size in Tkinter?
import tkinter as tk
root = tk.Tk()
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
share
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improve this ans...
How would I get a cron job to run every 30 minutes?
... Works great! In CentOS crontab, I had to do something like 0,30 * * * * root your_command where root would be the user I'm using.
– prograhammer
Nov 13 '14 at 0:38
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Global access to Rake DSL methods is deprecated
...that I was running rake 0.9.2.
Then I updated the Rakefile in application root folder as follows:
require File.expand_path('../config/application', __FILE__)
require 'rake'
# If you named your application something other than SampleApp, change that below
module ::SampleApp
class Application
...
Converting datetime.date to UTC timestamp in Python
...you want to treat the date as if it is in the local system timezone is the root of all issues with timezone in python. Unless you're 100% sure of the localization of the machine that will run your script and especially if serving clients that can come from anywhere in the world, ALWAYS assume dates ...
Comparing two files in linux terminal
...d-group-format="%<" --unchanged-group-format="" file1.txt file2.txt
[root@vmoracle11 tmp]# cat file1.txt
test one
test two
test three
test four
test eight
[root@vmoracle11 tmp]# cat file2.txt
test one
test three
test nine
[root@vmoracle11 tmp]# diff --changed-group-format='%<' --unchanged...
Eclipse Workspaces: What for and why?
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Oracle relies on CMake to generate a Visual Studio "Solution" for their MySQL Connector C source code. Within the Solution are "Projects" that can be compiled individually or collectively (by the Solution). Each Project has its own makefile, compiling its portion of the Solution with settings t...
译文：理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方面的专家，但是我认为至少你应该了解什么是弱引用，如何使用它们，并且什么场景使用。既然它们是一些不知名的概念，我简单就着前面的三个问题来说明一下。
强引用(Strong Reference)
强引用就是我们经常使用的引用，其...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...you have to add following lines in app.config (may be right after start of root tag).
<configSections>
<section name="CustomApplicationConfig" type="MyNameSpace.CustomApplicationConfigSection, MyAssemblyName" />
</configSections>
NOTE: MyAssemblyName should be without .dl...