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How does Hadoop process records split across block boundaries?
...bytesRemaining -= splitSize;
}
After that, if you look at the LineRecordReader which is defined by the TextInputFormat, that's where the lines are handled:
When you initialize your LineRecordReader it tries to instantiate a LineReader which is an abstraction to be able to read lines over FSData...
Read .mat files in Python
Is it possible to read binary MATLAB .mat files in Python?
8 Answers
8
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How to search for a string in text files?
...
The reason why you always got True has already been given, so I'll just offer another suggestion:
If your file is not too large, you can read it into a string, and just use that (easier and often faster than reading and checking line per line):
with open('example....
Read text file into string array (and write)
The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
...
Volatile Vs Atomic [duplicate]
I read somewhere below line.
6 Answers
6
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How to use phpexcel to read data and insert into database?
I have a php application where I want to read data from excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
...
Please explain some of Paul Graham's points on Lisp
...ojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would mean for this to be otherwise, though.
So, suppose we've got this code in a file somewhere and we ask Clojure to execute it. Also, let's assume (for the ...
Save and load MemoryStream to/from a file
...ystem.IO.FileAccess.Write)) {
byte[] bytes = new byte[ms.Length];
ms.Read(bytes, 0, (int)ms.Length);
file.Write(bytes, 0, bytes.Length);
ms.Close();
}
and this reads a file to a MemoryStream :
using (MemoryStream ms = new MemoryStream())
using (FileStream file = new FileStream("file.b...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
...le is not empty first:
import os
scores = {} # scores is an empty dict already
if os.path.getsize(target) > 0:
with open(target, "rb") as f:
unpickler = pickle.Unpickler(f)
# if file is not empty scores will be equal
# to the value unpickled
scores = u...
Using R to download zipped data file, extract, and import data
...download.file("http://www.newcl.org/data/zipfiles/a1.zip",temp)
data <- read.table(unz(temp, "a1.dat"))
unlink(temp)
Compressed (.z) or gzipped (.gz) or bzip2ed (.bz2) files are just the file and those you can read directly from a connection. So get the data provider to use that instead :)
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