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What is RSS and VSZ in Linux memory management
... to 2500K of shared libraries, has 200K of stack/heap allocations of which 100K is actually in memory (rest is swapped or unused), and it has only actually loaded 1000K of the shared libraries and 400K of its own binary then:
RSS: 400K + 1000K + 100K = 1500K
VSZ: 500K + 2500K + 200K = 3200K
Since...
How do I declare and initialize an array in Java?
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For primitive types:
int[] myIntArray = new int[3];
int[] myIntArray = {1, 2, 3};
int[] myIntArray = new int[]{1, 2, 3};
// Since Java 8. Doc of IntStream: https://docs.oracle.com/javase/8/docs/api/java/util/stream/IntStream.html
int [] myIntArray = IntStream.range(0, 100).toArray(); // From 0 ...
Float vs Decimal in ActiveRecord
...esent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.100000000000000005551115123125...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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Date ticks and rotation in matplotlib
...o avail_plot calls, eg
plt.xticks(rotation=70)
avail_plot(axs[0], dates, s1, 'testing', 'green')
avail_plot(axs[1], dates, s1, 'testing2', 'red')
This sets the rotation property before setting up the labels. Since you have two axes here, plt.xticks gets confused after you've made the two plots. A...
Best way to combine two or more byte arrays in C#
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How do I read / convert an InputStream into a String in Java?
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What does the tilde (~) mean in my composer.json file?
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Tilde means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
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Editing dictionary values in a foreach loop
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Zoom in on a point (using scale and translate)
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