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File input 'accept' attribute - is it useful?

...sage Note: These examples were written based on the current specification and may not actually work in all (or any) browsers. The specification may also change in the future, which could break these examples. h1 { font-size: 1em; margin:1em 0; } h1 ~ h1 { border-top: 1px solid #ccc; padding-t...
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How to initialize a two-dimensional array in Python?

I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this: ...
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Separate REST JSON API server and client? [closed]

... At Boundless, we've gone deep with option #2 and rolled it out to thousands of students. Our server is a JSON REST API (Scala + MongoDB), and all of our client code is served straight out of CloudFront (ie: www.boundless.com is just an alias for CloudFront). Pros: C...
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How do I check if a string contains another string in Objective-C?

..."); } The key is noticing that rangeOfString: returns an NSRange struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle". And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code ...
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Vim and Ctags tips and tricks [closed]

...alled Ctags (to help with C++ development) with my Vim (or rather gVim), and would like to find out your favorite commands, macros, shortcuts, tips that go along with it... ...
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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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What MIME type should I use for CSV?

I've seen application/csv used and also text/csv . 5 Answers 5 ...
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Why doesn't std::queue::pop return value.?

...element is unsafe in the presence of exceptions (having to return by value and thus creating a copy). Consider this scenario (with a naive/made up pop implementation, to ilustrate my point): template<class T> class queue { T* elements; std::size_t top_position; // stuff here ...
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Getting LaTeX into R Plots

... As stolen from here, the following command correctly uses LaTeX to draw the title: plot(1, main=expression(beta[1])) See ?plotmath for more details. share | im...
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Instagram how to get my user id from username?

... endpoint. (Press F12 to open developer toolbar, then click to Network Tab and trace the request.) Sorry because I'm too busy. Hope this information help you guys. Hmm, feel free to give me a down-vote if you want. Update in Apr-12-2018, cameronjonesweb said that this endpoint doesn't work anym...