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AWS Difference between a snapshot and AMI
...ers it as an AMI. You can launch new instances specifying that AMI as the starting point. You could also create new volumes of the EBS snapshot if you just wanted to look at the files on it without running a new instance.
– Eric Hammond
Jul 15 '13 at 22:39
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git difftool, open all diff files immediately, not in serial
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Starting with git v1.7.11, you can use git difftool --dir-diff to perform a directory diff.
This feature works well with Meld 3.14.2 for example, and lets you browse all modified files:
git difftool --dir-diff --tool=meld H...
What is the difference between memoization and dynamic programming?
...mming is often called Memoization!
Memoization is the top-down technique(start solving the given problem by breaking it down) and dynamic programming is a bottom-up technique(start solving from the trivial sub-problem, up towards the given problem)
DP finds the solution by starting from the base c...
How to initialize an array's length in JavaScript?
...t is reasonable to assume that they have a legitimate use case in mind and start from there.
– Michael
Jun 14 '19 at 16:28
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What is __pycache__?
...rammer, you can largely just ignore it... All it does is make your program start a little faster. When your scripts change, they will be recompiled, and if you delete the files or the whole folder and run your program again, they will reappear (unless you specifically suppress that behavior).
When y...
Is Zookeeper a must for Kafka?
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Yes, Zookeeper is required for running Kafka. From the Kafka Getting Started documentation:
Step 2: Start the server
Kafka uses zookeeper so you need to first start a zookeeper server if
you don't already have one. You can use the convenience script
packaged with kafka to get a qu...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...as some great tools for developer, which I'd like to use. I'd also like to start testing my code with Internet Explorer 8, as it will soon be released.
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How to run multiple Python versions on Windows
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Running a different copy of Python is as easy as starting the correct executable. You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, checking for an ...
How to properly assert that an exception gets raised in pytest?
...============================================================= test session starts ==============================================================================================
platform linux2 -- Python 2.7.6 -- py-1.4.26 -- pytest-2.6.4
collected 7 items
test.py ..FF..F
=========================...
What should main() return in C and C++?
...main function. It can only be entered and left once (marking the program's start and termination) according to the C++ standard. For C, re-entering main() is allowed, but should be avoided.
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