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Java: How to set Precision for double value? [duplicate]
...
123.12345678 ==> 123.123
1.230000 ==> 1.23
1.1 ==> 1.1
1 ==> 1.0
0.000 ==> 0.0
0.00 ==> 0.0
0.4 ==> 0.4
0 ==> 0.0
1.4999 ==> 1.499
1.4995 ==> 1.499
1.4994 ==> 1.499
Here's the code. The two caveats I mentioned above can be addressed pretty easily, however, speed ...
AppSettings get value from .config file
... Configuration.
Here is an example of my App.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
<appSettings>
<add key="AdminName" ...
How to change a TextView's style at runtime
...reating a new XML file res/values/style.xml as follows:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="boldText">
<item name="android:textStyle">bold|italic</item>
<item name="android:textColor">#FFFFFF</item>
</...
Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ty->display('index.html');
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>smarty测试...
dynamically add and remove view to viewpager
...an use the following for your activity_main.xml layout:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_heigh...
How can I determine whether a 2D Point is within a Polygon?
...e coordinate system scale you use for drawing. If your pixel step width is 1.0, then just choose 1.0 (yet 0.1 would have worked as well)
Now that we have the ray with its start and end coordinates, the problem shifts from "is the point within the polygon" to "how often does the ray intersects a pol...
Center a button in a Linear layout
...arent="true"
So your layout file will look like this:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/RelativeLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"&...
Max length UITextField
...unc checkMaxLength(textField: UITextField!, maxLength: Int) {
// swift 1.0
//if (count(textField.text!) > maxLength) {
// textField.deleteBackward()
//}
// swift 2.0
if (textField.text!.characters.count > maxLength) {
textField.deleteBackward()
}
}
...
Making an iframe responsive
...;
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<style>
html body {width: 100%;height: 100%;padding: 0px;margin: 0px;overflow: hidden;font-family: arial;font-size: 10px;color: #6e6e6e;background-color: #000;} #preview-frame {width: 100%;backgroun...
Disable EditText blinking cursor
...
simple add this line into your parent layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="matc...