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How to create a file in memory for user to download, but not through server?

Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server? I know I can't write directly to their machine (security and all), but can I create and prompt them to save it? ...
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Is there a “not equal” operator in Python?

...son operators. For comparing object identities, you can use the keyword is and its negation is not. e.g. 1 == 1 # -> True 1 != 1 # -> False [] is [] #-> False (distinct objects) a = b = []; a is b # -> True (same object) ...
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]

... I have noticed that collection types are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate entity and is more con...
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How well is Unicode supported in C++11?

I've read and heard that C++11 supports Unicode. A few questions on that: 5 Answers 5 ...
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Easy way to dismiss keyboard?

...ve quite a few controls scattered throughout many table cells in my table, and I was wondering if there's an easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first re...
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SVN encrypted password store

I installed SVN on a Ubuntu machine and I can't get my head around something. 3 Answers ...
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

I'm working on a UI for an app, and I'm attempting to use grayscale icons, and allow the user to change the theme to a color of their choosing. To do this, I'm trying to just apply a ColorFilter of some sort to overlay a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLY, and it...
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How should I structure a Python package that contains Cython code

... I've done this myself now, in a Python package simplerandom (BitBucket repo - EDIT: now github) (I don't expect this to be a popular package, but it was a good chance to learn Cython). This method relies on the fact that building a .pyx file with Cython.Distutils.build_ext (at ...
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Caveats of select/poll vs. epoll reactors in Twisted

Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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I need to get all the cookies from the browser

...visit=1225445171794 To simplify the access, you have to parse the string and unescape all entries: var getCookies = function(){ var pairs = document.cookie.split(";"); var cookies = {}; for (var i=0; i<pairs.length; i++){ var pair = pairs[i].split("="); cookies[(pair[0]+'').trim(...