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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
... in iOS7, the view controllers use full-screen layout by default. At the same time, you have more control over how it lays out its views, and that's done with those properties:
edgesForExtendedLayout
Basically, with this property you set which sides of your view can be extended to cover the whole ...
What is a “context bound” in Scala?
...t covers the new context bound feature, within the context of array improvements.
Generally, a type parameter with a context bound is of the form [T: Bound]; it is expanded to plain type parameter T together with an implicit parameter of type Bound[T].
Consider the method tabulate which forms ...
Why would I ever use push_back instead of emplace_back?
...ns to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything push_back can do, but some of the time it will do it better (but never worse).
...
What is the difference between UTF-8 and Unicode?
... with such numbers as bytes... skipping a bit of history here and ignoring memory addressing issues, 8-bit computers would treat an 8-bit byte as the largest numerical unit easily represented on the hardware, 16-bit computers would expand that to two bytes, and so forth.
Old character encodings suc...
Memoization in Haskell?
...s very efficiently by making a structure that we can index in sub-linear time.
But first,
{-# LANGUAGE BangPatterns #-}
import Data.Function (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max...
How to find if a native DLL file is compiled as x64 or x86?
... 8664 machine (x64)
6 number of sections
4BBAB813 time date stamp Tue Apr 06 12:26:59 2010
0 file pointer to symbol table
0 number of symbols
F0 size of optional header
2022 characteristics
Executable
...
Simple Digit Recognition OCR in OpenCV-Python
I am trying to implement a "Digit Recognition OCR" in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV.
...
What is the http-header “X-XSS-Protection”?
...g in random GETs and POSTs with different headers and the like) but I've come across something that google.com transmits in it's headers that I don't know.
...
Python Unicode Encode Error
...'re trying to print the contents of the XML and you can't because theres some foreign Unicode characters. Try to encode your unicode string as ascii first:
unicodeData.encode('ascii', 'ignore')
the 'ignore' part will tell it to just skip those characters. From the python docs:
>>> u =...
Why does the jquery change event not trigger when I set the value of a select using val()?
...t works, but isn't there a better way with jQuery? I'm sure we will ALL remember to do this every time we change a value that has an change handler set up (sarcasm). Frameworks that use data binding might solve this better?
– Jess
Oct 8 '15 at 14:04
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