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Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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Asynchronous shell commands
I'm trying to use a shell script to start a command. I don't care if/when/how/why it finishes. I want the process to start and run, but I want to be able to get back to my shell immediately...
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Add Keypair to existing EC2 instance
...the volume. Create a new volume based on it. And be able to use it back to start the old instance, create a new image, or recover data.
Though data at ephemeral storage will be lost.
Due to the popularity of this question and answer, I wanted to capture the information in the link that Rodney p...
Elevating process privilege programmatically?
...ng to install a service using InstallUtil.exe but invoked through Process.Start . Here's the code:
5 Answers
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How does Dijkstra's Algorithm and A-Star compare?
...kstra is a special case for A*.
Dijkstra finds the minimum costs from the starting node to all others. A* finds the minimum cost from the start node to the goal node.
Dijkstra's algorithm would never be used for path finding. Using A* one can come up with a decent heuristic. Depending on the searc...
Java Reflection Performance
... }
public static void doRegular() throws Exception
{
long start = System.currentTimeMillis();
for (int i=0; i<1000000; i++)
{
A a = new A();
a.doSomeThing();
}
System.out.println(System.currentTimeMillis() - start);
}
...
How to make a countdown timer in Android?
... as seconds. After clicking the finish button, the seconds EditText should start to countdown and update its text every second.
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Android ImageView Zoom-in and Zoom-Out
...tF objects are used to record the point(s) the user is touching
PointF start = new PointF();
PointF mid = new PointF();
float oldDist = 1f;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCrea...
Error: Cannot pull with rebase: You have unstaged changes
I have started collaborating with a few friends on a project & they use the heroku git repository.
8 Answers
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IllegalMonitorStateException on wait() call
...ew Thread(new Runnable(){
public void run() { // do stuff }});
thread.start();
...
thread.wait();
There are three problems.
As others have said, obj.wait() can only be called if the current thread holds the primitive lock / mutex for obj. If the current thread does not hold the lock, you...