大约有 23,000 项符合查询结果（耗时：0.0294秒） [XML]
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
...
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...
\d is less efficient than [0-9]
...rate a list of all such characters using the following code:
var sb = new StringBuilder();
for(UInt16 i = 0; i < UInt16.MaxValue; i++)
{
string str = Convert.ToChar(i).ToString();
if (Regex.IsMatch(str, @"\d"))
sb.Append(str);
}
Console.WriteLine(sb.ToString());
Which generates...
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.
...
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...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...e over 20% of all their transactions - processing manually certainly takes extra time and in one case they have an employee who does nothing but process transactions, but the cost of paying his salary is apparently less than their exposure if they just passed cc numbers though an online gateway.
Bo...
Is there a C# type for representing an integer Range?
...sents the Range in readable format.</summary>
/// <returns>String representation of the Range</returns>
public override string ToString()
{
return string.Format("[{0} - {1}]", this.Minimum, this.Maximum);
}
/// <summary>Determines if the range is ...
How to convert a string of numbers to an array of numbers?
I have below string -
14 Answers
14
...
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...
How to loop backwards in python? [duplicate]
...
All of these three solutions give the same results if the input is a string:
1.
def reverse(text):
result = ""
for i in range(len(text),0,-1):
result += text[i-1]
return (result)
2.
text[::-1]
3.
"".join(reversed(text))
...