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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
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Sleeping for one second in Objective C:
[NSThread sleepForTimeInterval:1.0f];
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no gravity for scrollview. how to make content inside scrollview as center
...content"
This is how the final code should look like:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
android:i...
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
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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; ...
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 make a smooth image rotation in Android?
...project, e.g. name it res/anim/linear_interpolator.xml:
<?xml version="1.0" encoding="utf-8"?>
<linearInterpolator xmlns:android="http://schemas.android.com/apk/res/android" />
And add to your animation XML:
android:interpolator="@anim/linear_interpolator"
Special Note: If your rot...
Same-named attributes in attrs.xml for custom view
...hem directly as children of the <resources> node:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="myattr1" format="string" />
<attr name="myattr2" format="dimension" />
<declare-styleable name="MyView1">
<attr name="myattr1"...
How can I export tables to Excel from a webpage [closed]
... Consider the document above:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Java Friends</title>
</head>
<body>
<tab...
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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Why doesn't C have unsigned floats?
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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...