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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.
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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.
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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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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...
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);
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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 *...
PHP function to build query string from array
I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
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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Remove 'a' from legend when using aesthetics and geom_text
How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though.
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