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Spring classpath prefix difference
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How to delete a record in Django models?
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How do you Force Garbage Collection from the Shell?
...e -XX:+DisableExplicitGC VM argument. See: mail.openjdk.java.net/pipermail/serviceability-dev/2017-August/…
– Eyal Roth
Aug 28 '18 at 15:03
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How to convert 2D float numpy array to 2D int numpy array?
...(int), np.array([-np.inf]).astype(int), and np.array([np.nan]).astype(int) all return the same thing. Why?
– BallpointBen
May 14 '18 at 20:47
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Why is Java Vector (and Stack) class considered obsolete or deprecated?
... each individual operation. That's almost never what you want to do.
Generally you want to synchronize a whole sequence of operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing t...
How to determine the screen width in terms of dp or dip at runtime in Android?
...use this in an Activity, and getActivity() in a Fragment). Application and Service are also sub classes of Context.
– François POYER
Jul 7 '16 at 13:29
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When to dispose CancellationTokenSource?
...turned out that CancellationTokenSource was the problem.
My project has a service, that is constantly reading database and fires off different tasks, and I was passing linked cancellation tokens to my workers, so even after they had finished processing data, cancellation tokens weren't disposed, wh...
Cannot make a static reference to the non-static method
...and in order to call it, one needs an instance of it's subclass (Activity, Service, Application or other). The problem is, that the public static final variables are initialized before any instance of Context is created.
There are several ways to solve this:
Make the variable a member variable (...
Using Chrome, how to find to which events are bound to an element
...nel. Use a Mouse -> click breakpoint and then "step into next function call" while keeping an eye on the call stack to see what userland function handles the event. Ideally, you'd replace the minified version of jQuery with an unminified one so that you don't have to step in all the time, and use...
Copy array by value
...5];
let newArray = oldArray.slice();
console.log({newArray});
Basically, the slice() operation clones the array and returns a reference to a new array.
Also note that:
For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both t...