大约有 2,400 项符合查询结果（耗时：0.0302秒） [XML]
Random / noise functions for GLSL
...es yields 0.0, all ones yields the next smallest representable value below 1.0.
float floatConstruct( uint m ) {
const uint ieeeMantissa = 0x007FFFFFu; // binary32 mantissa bitmask
const uint ieeeOne = 0x3F800000u; // 1.0 in IEEE binary32
m &= ieeeMantissa; ...
Why doesn't C have unsigned floats?
...
C99 supports complex numbers, and a type generic form of sqrt, so sqrt( 1.0 * I) will be negative.
The commentors highlighted a slight gloss above, in that I was referring to the type-generic sqrt macro rather than the function, and it will return a scalar floating point value by truncation of...
C# short/long/int literal format?
...
var d = 1.0d; // double
var d0 = 1.0; // double
var d1 = 1e+3; // double
var d2 = 1e-3; // double
var f = 1.0f; // float
var m = 1.0m; // decimal
var i = 1; // int
var ui = 1U; // uint
var ul = 1UL; // ulong
var l ...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
...
Sleeping for one second in Objective C:
[NSThread sleepForTimeInterval:1.0f];
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Android and setting alpha for (image) view alpha
...(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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How to find the type of an object in Go?
... "reflect"
)
func main() {
b := true
s := ""
n := 1
f := 1.0
a := []string{"foo", "bar", "baz"}
fmt.Println(reflect.TypeOf(b))
fmt.Println(reflect.TypeOf(s))
fmt.Println(reflect.TypeOf(n))
fmt.Println(reflect.TypeOf(f))
fmt.Println(reflect.TypeOf(a))
}
Pr...
How to parse an RSS feed using JavaScript?
...ument.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&callback=?&q=' + encodeURIComponent(FEED_URL),
dataType : 'json',
success : function (data) {
if (data.responseData.feed && data.responseData.feed.entries) {
$.each(data.responseD...
What XML parser should I use in C++? [closed]
...h callbacks so that you can tell it where it gets the file from), an XPath 1.0 recognizer, RelaxNG and Schematron support (though the error messages leave a lot to be desired), and so forth.
It does have a dependency on iconv, but it can be configured without that dependency. Though that does mean t...
Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ocated this files rbreadline.rb and readline.rb at C:\RailsInstaller\Ruby2.1.0\lib\ruby\site_ruby\2.1.0\ . I changed the line from require 'dl' to require 'fiddle'. No more warnings.
– Blairg23
Jun 19 '15 at 8:53
...
Log to the base 2 in python
.... So you're subtracting 1 there because the mantissa is in the range [0.5, 1.0)? I would give this one a few more upvotes if I could.
– LarsH
Feb 23 '15 at 11:49
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