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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...
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?
...
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...
How to calculate cumulative normal distribution?
...ve distribution function for the standard normal distribution'
return (1.0 + erf(x / sqrt(2.0))) / 2.0
Ref:
https://docs.python.org/2/library/math.html
https://docs.python.org/3/library/math.html
How are the Error Function and Standard Normal distribution function related?
...
In Java, what does NaN mean?
..._div_zero = 0.0f / 0.0f;
float sqrt_negative = (float)Math.sqrt(-1.0);
float log_negative = (float)Math.log(-1.0);
float inf_minus_inf = Float.POSITIVE_INFINITY - Float.POSITIVE_INFINITY;
float inf_times_zero = Float.POSITIVE_INFINITY * 0.0f;
float quiet_...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
创APP如搭积木 - 创意无限，梦想即时！ 手机版 手机“扫一扫” var qrcode = new QRCode("qrcode", { text: 'https://m.tsingfun.com/it/opensource/0MQ-The-Theoretical-Foundation.html', //URL地址 width: 180, height: 180, colorDark: '#088CEF'...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...are integers and you enumerate the ranges into arrays. Consider the range (1.0...3.5) - what is the value just before 3.5? Certainly not 2.5!
– Chris Heald
Jul 27 '15 at 23:32
...
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...
XML Schema minOccurs / maxOccurs default values
...
example:
XML
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="country.xsl"?>
<country xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="country.xsd">
<countryName>...
Why does Decimal.Divide(int, int) work, but not (int / int)?
...nd multiply by 100 to find percentage.
double p = (double)((PeopleCount * 1.0 / AllPeopleCount * 1.0) * 100.0);
%: 48,3478260869565 --> 278 / 575 ---> 0
%: 51,6521739130435 --> 297 / 575 ---> 0
if I multiply the PeopleCount by 1.0 it makes it decimal and division will be 48.34...
als...