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How to gracefully handle the SIGKILL signal in Java
... another watcher program watch for your main program to go away or use a wrapper script. You could do with this with a shell script that polled the ps command looking for your program in the list and act accordingly when it disappeared.
#!/usr/bin/env bash
java TestShutdownHook
wait
# notify your ...
How do I check if a string is valid JSON in Python?
...
nothing wrong with it, just a noob mistake on my part. It appears I just cant call file.read() twice. But I can set a variable and use it. And thats what I did.
– Joey Blake
Apr 4 '11 at 15:23
...
What actually causes a Stack Overflow error? [duplicate]
...located for each stack of each thread, and if an attempt to call a method happens to fill this memory, JVM throws an error. Just like it would do if you were trying to write at index N of an array of length N. No memory corruption can happen. The stack can not write into the heap.
A StackOverflowEr...
Repeat a task with a time delay?
....
} finally {
// 100% guarantee that this always happens, even if
// your update method throws an exception
mHandler.postDelayed(mStatusChecker, mInterval);
}
}
};
void startRepeatingTask() {
mStatusChecker.run();
}
void sto...
How to use the “number_to_currency” helper method in the model rather than view?
...s a slippery slope from “well just this one thing” to a bloated model. App helpers in Rails are a junk-drawer, presenters/view-models are easier to manage. I don’t see creating the data for a report and generating the (html|pdf|csv|etc.) view of that data as a single responsibility any more th...
How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
...
I just add the following in App_Start / WebApiConfig.cs class in my MVC Web API project.
config.Formatters.JsonFormatter.SupportedMediaTypes
.Add(new MediaTypeHeaderValue("text/html") );
That makes sure you get JSON on most queries, but you can g...
How do I make JavaScript beep?
... This no longer works in Chrome. It used to, and now my beeping app no longer works. Any idea how to fix/replace it?
– Houshalter
Apr 10 '15 at 4:29
1
...
What does [object Object] mean?
... [ In HTML5, IDs can start with digits.](whatwg.org/specs/web-apps/current-work/multipage/…)
– Matt Ball
Jan 20 '11 at 17:21
...
Drawing Isometric game worlds
...changed formating.
Perhaps the advantage for the "zig-zag" technique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" approach:
By drawing an isometric map using "drawing in a diamond", which I beli...
String representation of an Enum
...t (or implicit) type conversion can be done by
adding static field with mapping
private static readonly Dictionary<string, AuthenticationMethod> instance = new Dictionary<string,AuthenticationMethod>();
n.b. In order that the initialisation of the the "enum member" fields doesn't t...