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Get specific line from text file using just shell script

... @KanagaveluSugumar read sed's info page. 5!d means delete all lines except 5. shell var is possible, you need double quotes. – Kent Apr 24 '14 at 10:15 ...
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What does 'synchronized' mean?

... The synchronized keyword is all about different threads reading and writing to the same variables, objects and resources. This is not a trivial topic in Java, but here is a quote from Sun: synchronized methods enable a simple strategy for preventing thread interfere...
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Read logcat programmatically within application

I want to read and react to logcat logs within my application. 6 Answers 6 ...
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Is the != check thread safe?

I know that compound operations such as i++ are not thread safe as they involve multiple operations. 8 Answers ...
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How to parse/read a YAML file into a Python object? [duplicate]

How to parse/read a YAML file into a Python object? 3 Answers 3 ...
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Why can't Python parse this JSON data?

... Justin Peel's answer is really helpful, but if you are using Python 3 reading JSON should be done like this: with open('data.json', encoding='utf-8') as data_file: data = json.loads(data_file.read()) Note: use json.loads instead of json.load. In Python 3, json.loads takes a string parame...
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What is PostgreSQL explain telling me exactly?

... (When you're using PgAdmin, you can point your mouse at a component to read the cost details.) The cost is represented as a tuple, e.g. the cost of the LIMIT is cost=0.00..3.39 and the cost of sequentially scanning post is cost=0.00..15629.12. The first number in the tuple is the startup cost a...
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Javascript: How to generate formatted easy-to-read JSON straight from an object? [duplicate]

I know how to generate JSON from an object using JSON.stringify, or in my case the handy jquery-json from google code ( https://github.com/krinkle/jquery-json ). ...
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What is the difference between .py and .pyc files? [duplicate]

...rg/tutorial/modules.html) : "A program doesn’t run any faster when it is read from a .pyc or .pyo file than when it is read from a .py file; the only thing that’s faster about .pyc or .pyo files is the speed with which they are loaded." – mouad Oct 12 '10 a...
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Uncaught TypeError: Cannot read property 'msie' of undefined [duplicate]

This error message is arising from the following code: 1 Answer 1 ...