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“You are on a branch yet to be born” when adding git submodule
I am attempting to add a few submodules to my .vim/bundles directory, and when I attempt to add this particular repo Git gives me a strange error I've never seen before:
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How does Hadoop process records split across block boundaries?
... the code for the details and here are my thoughts. The splits are handled by the client by InputFormat.getSplits, so a look at FileInputFormat gives the following info:
For each input file, get the file length, the block size and calculate the split size as max(minSize, min(maxSize, blockSize)) w...
Get the client IP address using PHP [duplicate]
I want to get the client IP address who uses my website. I am using the PHP $_SERVER superglobal:
5 Answers
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Is it possible to read from a InputStream with a timeout?
Specifically, the problem is to write a method like this:
8 Answers
8
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Why does ~True result in -2?
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and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (since the number begins with 1):
11111110 → 00000001 → 00000010
↑ ↑...
What's the best way to get the last element of an array without deleting it?
...The many answers in this thread present us with many different options. To be able to choose from them I needed to understand their behavior and performance. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The op...
How did Microsoft create assemblies that have circular references?
In the .NET BCL there are circular references between:
8 Answers
8
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Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
share
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improv...
Struct like objects in Java
Is it completely against the Java way to create struct like objects?
20 Answers
20
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:: (double colon) operator in Java 8
...call the reduce method using Math.max(int, int) as follows:
reduce(new IntBinaryOperator() {
int applyAsInt(int left, int right) {
return Math.max(left, right);
}
});
That requires a lot of syntax for just calling Math.max. That's where lambda expressions come into play. Since Jav...