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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...
Is it possible to read from a InputStream with a timeout?
Specifically, the problem is to write a method like this:
8 Answers
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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);
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improv...
How to convert comma-separated String to List?
Is there any built-in method in Java which allows us to convert comma separated String to some container (e.g array, List or Vector)? Or do I need to write custom code for that?
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Remove specific characters from a string in Python
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Strings in Python are immutable (can't be changed). Because of this, the effect of line.replace(...) is just to create a new string, rather than changing the old one. You need to rebind (assign) it to line in order to have that variable take the new v...
Best way to get InnerXml of an XElement?
What's the best way to get the contents of the mixed body element in the code below? The element might contain either XHTML or text, but I just want its contents in string form. The XmlElement type has the InnerXml property which is exactly what I'm after.
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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 does %s mean in a python format string?
What does %s mean in Python? And what does the following bit of code do?
7 Answers
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Default value for field in Django model
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Set editable to False and default to your default value.
http://docs.djangoproject.com/en/stable/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary....