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How do Trigonometric functions work?
...for the atan(), asin(), and acos() functions, where an overlapping -1.0 to 1.1 domain was divided into 21 equal intervals with anchor points at -19/20, -17/20, ..., 19/20, 21/20. Then only atan() of these 21 anchor points was stored. Again, with the help of inverse trig identities, a single Maclauri...
Webfonts or Locally loaded fonts?
...ternet Explorer (IE 4+)
TrueType and OpenType: Traditional formats (Safari 3.1+, FF 3.5+, Opera 10+)
WOFF: New standard for web fonts (FF 3.6+, Chrome 5+)
SVG: IOS <4.2
More information at The @Font-Face Rule And Useful Web Font Tricks
All of these services support the major font formats. With...
RESTful Alternatives to DELETE Request Body
While the HTTP 1.1 spec seems to allow message bodies on DELETE requests, it seems to indicate that servers should ignore it since there are no defined semantics for it.
...
Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...uture requirements and they made EJB 1.0 and then 2.0 and then 3.0 and now 3.1 but EJB's target was for just some requirements (transaction, distributed component model, etc).
At the same time (in parallel) they realized that they need to support JSF too, then they made JSF managed beans and anothe...
What is an optional value in Swift?
...he provided constant and executes the block. In Xcode 8.3 and later (Swift 3.1), trying to print an optional like this will cause a useless warning. Use the optional's debugDescription to silence it:
print("\(mealPreference.debugDescription)")
What are optionals for?
Optionals have two use cases:
...
What does `someObject.new` do in Java?
...
When inner classes were added to Java in version 1.1 of the language they were originally defined as a transformation to 1.0 compatible code. If you look at an example of this transformation, I think it will make it a lot clearer how an inner class actually works.
Consider...
How do I choose grid and block dimensions for CUDA kernels?
...e than 8k/16k/32k/64k/32k/64k/32k/64k/32k/64k registers total
(Compute 1.0,1.1/1.2,1.3/2.x-/3.0/3.2/3.5-5.2/5.3/6-6.1/6.2/7.0)
Each block cannot consume more than 16kb/48kb/96kb of shared memory (Compute
1.x/2.x-6.2/7.0)
If you stay within those limits, any kernel you can successfully compile will ...
Custom HTTP headers : naming conventions
...headers is defined in the HTTP specification. I'm going to talk about HTTP 1.1, for which the specification is RFC 2616. In section 4.2, 'Message Headers', the general structure of a header is defined:
message-header = field-name ":" [ field-value ]
field-name = token
field-value = ...
How to get UTF-8 working in Java webapps?
..."1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fi">
<head>
<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />
...
What is the list of supported languages/locales on Android?
... Supported since version
English, US (en_US) 1.1
German, Germany (de_DE) 1.1
Chinese, PRC (zh_CN) 1.5
Chinese, Taiwan (zh_TW) 1.5
Czech, Czech Republic (cs_CZ) 1.5
Dutch, Belgium (nl_BE) 1.5
Dutch, Netherlands (nl_NL) ...