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Read first N lines of a file in python

We have a large raw data file that we would like to trim to a specified size. I am experienced in .net c#, however would like to do this in python to simplify things and out of interest. ...
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Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?

...oken are useless when using a HTTPS and to be honest not so useful even on raw HTTP. But the fact that client via implicit flow can’t receive the refresh token is also nonsense. Thus I think we should introduce a new grant flow “safe implicit” which works strictly over https, allows refresh ...
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Why there is no “Home” button in iPad simulator in iOS 5.1 SDK?

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Detect iPad users using jQuery?

Is there a way to detect if the current user is using an iPad using jQuery/JavaScript? 4 Answers ...
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How to have git log show filenames like svn log -v

...command is essentially the same as git-log[1] but defaults to show the raw format diff output and to skip merges. The command is kept primarily for historical reasons; fingers of many people who learned Git long before git log was invented by reading Linux kernel mailing list are traine...
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moment.js - UTC gives wrong date

... Outputting a raw moment on the console isn't very useful. You're probably looking at one of its internal properties. You should format it before checking the results. For example moment.utc().format() or moment().format(). ...
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox

... In fact, JS should just send the raw data and PHP should take care of ignoring the load errors and so on. – xavierm02 May 11 '11 at 7:22 ...
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How to make a great R reproducible example

... in R: install.packages("devtools") library(devtools) source_url("https://raw.github.com/rsaporta/pubR/gitbranch/reproduce.R") reproduce(myData) Details: This function is an intelligent wrapper to dput and does the following: automatically samples a large data set (based on size and class. ...
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Why can't I use an alias in a DELETE statement?

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How to return smart pointers (shared_ptr), by reference or by value?

...e to one, and I would be very hesitant to pass them around by reference or raw pointer. Why? Because you cannot be certain that it will not be shallow-copied via a reference later. Your first point defines the reason why this should be a concern. This can happen even in a single-threaded environment...