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Get last n lines of a file, similar to tail
...f tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file
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What is the curiously recurring template pattern (CRTP)?
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Juan Carlos Ramirez
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answered Nov 13 '10 at 15:40
Armen TsirunyanArmen Tsirunyan
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Getting the IP address of the current machine using Java
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edited Feb 24 at 3:24
Hector
5199 bronze badges
answered Jul 13 '16 at 4:58
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What does the plus sign do in '+new Date'
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answered Oct 21 '08 at 11:49
kentaromiurakentaromiura
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What does the question mark and the colon (?: ternary operator) mean in objective-c?
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433
This is the C ternary operator (Objective-C is a superset of C):
label.frame = (inPseudoEditM...
How do I change the IntelliJ IDEA default JDK?
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community wiki
4 revs, 2 users 82%GamerJosh
3
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Syntax for a single-line Bash infinite while loop
...bin/vpn ; done
– Blisterpeanuts
Mar 4 '15 at 14:19
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How to remove leading zeros from alphanumeric text?
...he entire string will be matched.
Test harness:
String[] in = {
"01234", // "[1234]"
"0001234a", // "[1234a]"
"101234", // "[101234]"
"000002829839", // "[2829839]"
"0", // "[0]"
"0000000", // "[0]"
"0000009", // "[9]"
"0...
Conversion from Long to Double in Java
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You could simply do :
double d = (double)15552451L;
Or you could get double from Long object as :
Long l = new Long(15552451L);
double d = l.doubleValue();
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