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Do event handlers stop garbage collection from occurring?
...only points one way, a subscriber which has any intention of unsubscribing from an event when done with it will need some form of reference to the publisher. It could be a WeakReference, and in some cases that might be a good idea, but as often as not it will be a strong one.
–...
Extract numbers from a string
I want to extract the numbers from a string that contains numbers and letters like:
20 Answers
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Why do we have to normalize the input for an artificial neural network?
...ion in backpropagation corrections for different dimensions? I'm wondering from the following post if this is exclusive to CNNs, or if MLPs might share this problem: stats.stackexchange.com/questions/185853/…
– Austin
Dec 1 '17 at 0:24
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StringBuilder vs String concatenation in toString() in Java
...erties it might not make a
difference, but at what point do you
switch from concat to builder?
At the point where you're concatenating in a loop - that's usually when the compiler can't substitute StringBuilder by itself.
...
Get average color of image via Javascript
...o the cross-origin restriction if you try to access image data on an image from another domain. Which is a bummer.
– user18015
Mar 4 '12 at 0:15
8
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In Gradle, how do I declare common dependencies in a single place?
...cyManagement> section of the parent POM, and reference that dependency from child modules without specifying the version or scope or whatever.
...
Differences between fork and exec
...w program. It loads the program into the current process space and runs it from the entry point.
So, fork and exec are often used in sequence to get a new program running as a child of a current process. Shells typically do this whenever you try to run a program like find - the shell forks, then th...
what is the difference between a portlet and a servlet?
...hat regulates portal containers and components. This is different standard from standards for web containers (and servlets). Though there are definitely strong parallels between these two standards they differ in containers, APIs, life cycle, configuration, deployment, etc.
The main difference bet...
Android: integer from xml resource
...erence the integer value in the Java code like this:
It's a bit different from the getString(), you have to take a little detour.
ProgressDialog progressBar = new ProgressDialog(getContext());
int max = getContext().getResources().getInteger(R.integer.maximum);
progressBar.setMax(max);
...
Can Retrofit with OKHttp use cache data when offline
...(Utils.isNetworkAvailable(context)) {
int maxAge = 60; // read from cache for 1 minute
return originalResponse.newBuilder()
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
} else {
int maxStale = 60 *...
