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Implications of foldr vs. foldl (or foldl')

...rstly, Real World Haskell , which I am reading, says to never use foldl and instead use foldl' . So I trust it. 7 Ans...
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Java logical operator short-circuiting

Which set is short-circuiting, and what exactly does it mean that the complex conditional expression is short-circuiting? 9...
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Storing Image Data for offline web application (client-side storage database)

...d: Chrome v24, FireFox 18, IE 10 Should also work with Chrome & FF for Android Fetch from web server using XHR2 (supported on almost all browsers) for blob download from web server I went with XHR2-Lib by Phil Parsons, which is very much like JQUERY .ajax() https://github.com/p-m-p/xhr2-li...
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RuntimeWarning: invalid value encountered in divide

...is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try: import numpy as np np.seterr(divide='ignore', invalid='ignore') For more details see: http://docs.scipy.org/doc/numpy/reference/generated/numpy.seterr.html ...
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What is the maximum amount of RAM an app can use?

...quite curious about this question concerning the memory management of the Android operating system so I hope for a quite detailed answer on that topic. ...
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jQuery: Difference between position() and offset()

What is the difference between position() and offset() ? I tried to do the following in a click event: 3 Answers ...
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Is there an equivalent to background-size: cover and contain for image elements?

I have a site with many pages and different background pictures, and I display them from CSS like: 14 Answers ...
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What are “first class” objects?

...r something else said to be "first class" in a given programming language, and why? In what do they differ from languages where they are not? ...
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cd into directory without having permission

... Enter super user mode, and cd into the directory that you are not permissioned to go into. Sudo requires administrator password. sudo su cd directory share | ...
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Monad in plain English? (For the OOP programmer with no FP background)

In terms that an OOP programmer would understand (without any functional programming background), what is a monad? 19 Answe...