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Get battery level and state in Android
...ntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
batteryTxt.setText(String.valueOf(level) + "%");
}
};
@Override
public void onCreate(Bundle b) {
super.onCreate(b);
setContentView(R.layout.main);
batteryTxt = (TextView) this.findViewById(R.id.batteryTxt);
this.regis...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...拓展：数据表格视图，表格形式显示列表
【剪贴板】 Clipboard 拓展：实现剪贴板的复制粘贴功能
【Socket】 ClientSocketAI2Ext 拓展加强版：TCP/IP传输协议
【FTP】 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录等
【...
How can I get the current page's full URL on a Windows/IIS server?
...zero net performance benefit to using singles over doubles. None, nadda, zip, zero. It's an old wive's tale from the PHP3 era. Please don't perform such trivial mangling to content.
– Charles
Dec 16 '12 at 20:44
...
NuGet behind a proxy
... <servicePointManager expect100Continue="false" />
<ipv6 enabled="true"/>
</settings>
</system.net>
I found it from the NuGet Issue tracker
There are also other valuable comments about NuGet + network issues.
...
What method in the String class returns only the first N characters?
I'd like to write an extension method to the String class so that if the input string to is longer than the provided length N , only the first N characters are to be displayed.
...
How to convert a string to lower or upper case in Ruby
How do I take a string and convert it to lower or upper case in Ruby?
11 Answers
11
...
hexadecimal string to byte array in python
I have a long Hex string that represents a series of values of different types. I wish to convert this Hex String into a byte array so that I can shift each value out and convert it into its proper data type.
...
Android ACTION_IMAGE_CAPTURE Intent
...reBug() {
// list of known devices that have the bug
ArrayList<String> devices = new ArrayList<String>();
devices.add("android-devphone1/dream_devphone/dream");
devices.add("generic/sdk/generic");
devices.add("vodafone/vfpioneer/sapphire");
devices.add("tmobile/k...
A connection was successfully established with the server, but then an error occurred during the pre
...e same problem, I was storing session data in the database, the connection string had Encrypt=True in it, which I assume told the sql client to connect to the server in secure (SSL) mode, removing this helped!
share
...
What is meant by immutable?
...ssues with objects that never change
e.g.
class Foo
{
private final String myvar;
public Foo(final String initialValue)
{
this.myvar = initialValue;
}
public String getValue()
{
return this.myvar;
}
}
Foo doesn't have to worry that the calle...