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How do I find out if the GPS of an Android device is enabled
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10 Answers
10
Active
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jQuery UI Tabs - How to Get Currently Selected Tab Index
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20 Answers
20
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Returning value from Thread
...IHandler"){
@Override
public void run(){
value[0] = 2;
latch.countDown(); // Release await() in the test thread.
}
};
uiThread.start();
latch.await(); // Wait for countDown() in the UI thread. Or could uiThread.join();
// value[0] holds...
What does “program to interfaces, not implementations” mean?
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Hesham Massoud
91011 gold badge77 silver badges1717 bronze badges
answered Apr 23 '10 at 10:31
this. __curious_geekthi...
Check if string contains only digits
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Syntle
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answered Nov 22 '09 at 15:26
Scott EverndenScott E...
Subtract two variables in Bash
...xpr $FIRSTV - $SECONDV`
Be aware of the exit status:
The exit status is 0 if EXPRESSION is neither null nor 0, 1 if EXPRESSION is null or 0.
Keep this in mind when using the expression in a bash script in combination with set -e which will exit immediately if a command exits with a non-zero stat...
Constructors in JavaScript objects
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409
Using prototypes:
function Box(color) // Constructor
{
this.color = color;
}
Box.prototyp...
github locks up mac terminal when using pull command
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answered Dec 26 '12 at 20:57
ceykoceyko
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Merge (with squash) all changes from another branch as a single commit
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Ioannis Filippidis
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answered Sep 13 '10 at 0:28
fsetofseto
8,3...
What is the difference between a var and val definition in Scala?
...ry if some other part of your code is changing it. For example:
x = new B(0)
f(x)
if (x.value.value == 0)
println("f didn't do anything to x")
else
println("f did something to x")
This becomes particularly important with multithreaded systems. In a multithreaded system, the following can happ...
