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What's an easy way to read random line from a file in Unix command line?
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384
You can use shuf:
shuf -n 1 $FILE
There is also a utility called rl. In Debian it's in the ra...
Replace non-ASCII characters with a single space
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– Martijn Pieters♦
Nov 19 '13 at 18:42
1
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When to use references vs. pointers
I understand the syntax and general semantics of pointers versus references, but how should I decide when it is more-or-less appropriate to use references or pointers in an API?
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R: Comment out block of code [duplicate]
I want to comment out several lines of code in R. Is there any way of doing it without having to put a # before each line - sort of like /* blocked out code */ in SAS?
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What happens to a detached thread when main() exits?
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46
The answer to the original question "what happens to a detached thread when main() exits" is:
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Are static methods inherited in Java?
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14 Answers
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How exactly does __attribute__((constructor)) work?
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io_guy
1344 bronze badges
answered Jan 12 '10 at 22:52
jannebjanneb
31.4k22 gold badges...
How to cast an Object to an int
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Sep 7 '10 at 18:19
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How to serialize an object into a string
... write it down into a String you can encode the bytes using java.util.Base64.
Still you should use CLOB as data type because you don't know how long the serialized data is going to be.
Here is a sample of how to use it.
import java.util.*;
import java.io.*;
/**
* Usage sample serializing Some...