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How to detect shake event with android?
...CCELEROMETER) {
long curTime = System.currentTimeMillis();
// only allow one update every 100ms.
if ((curTime - lastUpdate) > 100) {
long diffTime = (curTime - lastUpdate);
lastUpdate = curTime;
x = values[SensorManager.DATA_X];
y = values[SensorManager.DATA_Y...
C# '@' before a String [duplicate]
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It means to interpret the string literally (that is, you cannot escape any characters within the string if you use the @ prefix). It enhances readability in cases where it can be used.
For example, if you were working with a UNC path, this:
@"\\serv...
Gson: How to exclude specific fields from Serialization without annotations
...in the serialized json give it a transient keyword, eg:
private transient String name;
More details in the Gson documentation
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A method to reverse effect of java String.split()? [duplicate]
I am looking for a method to combine an array of strings into a delimited
String. An opposite to split().
16 Answers
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ASP.NET MVC Conditional validation
...he Validate method:
public class Person : IValidatableObject
{
public string Name { get; set; }
public bool IsSenior { get; set; }
public Senior Senior { get; set; }
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
if (IsSenio...
How To Set Text In An EditText
...check the docs for EditText, you'll find a setText() method. It takes in a String and a TextView.BufferType. For example:
EditText editText = (EditText)findViewById(R.id.edit_text);
editText.setText("Google is your friend.", TextView.BufferType.EDITABLE);
It also inherits TextView's setText(CharS...
Detect all Firefox versions in JS
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I believe the indexOf string method is way faster than a regular expression.
– Tomáš Zato - Reinstate Monica
Apr 22 '14 at 15:11
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Find nearest latitude/longitude with an SQL query
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Additionally, it does not take into account the curvature of the earth. This would not be an issue for short search radii. Otherwise Evan's and Igor's answers are more complete.
– John Vance
N...
Most efficient way to store thousand telephone numbers
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In what follows, I treat the numbers as integer variables (as opposed to strings):
Sort the numbers.
Split each number into the first five digits and the last five digits.
The first five digits are the same across numbers, so store them just once. This will require 17 bits of storage.
Store the ...
What is the difference between encode/decode?
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The decode method of unicode strings really doesn't have any applications at all (unless you have some non-text data in a unicode string for some reason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone....