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What does value & 0xff do in Java?
... a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2.
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Getting image dimensions without reading the entire file
...unc<BinaryReader, Size>>()
{
{ new byte[]{ 0x42, 0x4D }, DecodeBitmap},
{ new byte[]{ 0x47, 0x49, 0x46, 0x38, 0x37, 0x61 }, DecodeGif },
{ new byte[]{ 0x47, 0x49, 0x46, 0x38, 0x39, 0x61 }, DecodeGif },
{ new byte[]{ 0x89, 0x50, 0x4E, 0...
How to get different colored lines for different plots in a single figure?
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432
Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x =...
JavaScript by reference vs. by value [duplicate]
...e.log(x, y, z.first); // 4, ["eeny", "miny", "mo", "foo"], false
Example 2:
var a = ["1", "2", {foo:"bar"}];
var b = a[1]; // b is now "2";
var c = a[2]; // c now references {foo:"bar"}
a[1] = "4"; // a is now ["1", "4", {foo:"bar"}]; b still has the value
// it had at the time of...
Correct way to pause Python program
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221
Seems fine to me (or raw_input() in Python 2.X). Alternatively you could use time.sleep() if y...
To find whether a column exists in data frame or not
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202
Assuming that the name of your data frame is dat and that your column name to check is "d", yo...
Correct way to find max in an Array in Swift
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12 Answers
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java.lang.OutOfMemoryError: Java heap space in Maven
...ens. I googled it for solutions and have tried to export MAVEN_OPTS=-Xmx1024m , but it did not work.
Anyone know other solutions for this problem? I am using maven 3.0
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Apple Mach-O Linker Error when compiling for device
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TreeMap sort by value
...Override public int compare(Map.Entry<K,V> e1, Map.Entry<K,V> e2) {
int res = e1.getValue().compareTo(e2.getValue());
return res != 0 ? res : 1;
}
}
);
sortedEntries.addAll(map.entrySet());
return sortedEntries;
}
Now you ...