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Sorting multiple keys with Unix sort

... From the sort man page: "POS is F[.C][OPTS], where F is the field number and C the character position in the field; both are origin 1." See man page for full documentation. – Adam Rosenfield ...
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Conditional import of modules in Python

...her the OS the user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following? ...
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Eclipse error: 'Failed to create the Java Virtual Machine'

... in eclipse.ini, changing reducing -Xmx to 512m from 1024 fixed the issue for me. The system was having 1GB RAM. – Dexter Jul 17 '14 at 9:26 3 ...
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Why can't Python parse this JSON data?

... "id": "valore" } } Then you can use your code: import json from pprint import pprint with open('data.json') as f: data = json.load(f) pprint(data) With data, you can now also find values like so: data["maps"][0]["id"] data["masks"]["id"] data["om_points"] Try those out and...
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What are the benefits to marking a field as `readonly` in C#?

... constant, but allows the value to be calculated at runtime. This differs from a constant declared with the const modifier, which must have its value set at compile time. Using readonly you can set the value of the field either in the declaration, or in the constructor of the object that the field...
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What does the ng stand for in Angular.js directives

... in order to avoid possible name collisions in future versions of Angular. From the FAQ: Why is this project called "AngularJS"? Why is the namespace called "ng"? Because HTML has Angular brackets and "ng" sounds like "Angular". ...
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How do I disable the security certificate check in Python requests

... From the documentation: requests can also ignore verifying the SSL certificate if you set verify to False. >>> requests.get('https://kennethreitz.com', verify=False) <Response [200]> If you're using a...
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Execution time of C program

...s. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating the number of clocks the program took divided by the Clocks_per_secon...
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What is “origin” in Git?

... push. This name is set by default and for convention by Git when cloning from a remote for the first time. This alias name is not hard coded and could be changed using following command prompt: git remote rename origin mynewalias Take a look at http://git-scm.com/docs/git-remote for further cl...
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Why use strict and warnings?

...y, It would be better if we go into details, which I am specifiying below From perl.com (my favourite): use strict 'vars'; which means that you must always declare variables before you use them. If you don't declare you will probably get error message for the undeclared variable Global sy...