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Reading a delimited string into an array in Bash
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339
In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<...
Is there a way to pass optional parameters to a function?
... Jim DeLaHuntJim DeLaHunt
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7
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How do I compare two files using Eclipse? Is there any option provided by Eclipse?
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352
To compare two files in Eclipse, first select them in the Project Explorer / Package Explorer ...
How should I read a file line-by-line in Python?
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edited Jun 25 '18 at 6:33
Eric Platon
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answere...
Checking if a string can be converted to float in Python
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316
I would just use..
try:
float(element)
except ValueError:
print "Not a float"
..it'...
How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to change column datatype from character to numeric in PostgreSQL 8.4
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3 Answers
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Android Studio: Default project directory
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answered Jul 30 '13 at 12:43
Rik MartinsRik Martins
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How can I suppress column header output for a single SQL statement?
...ect * from names;
+------+-------+
| 1 | pete |
| 2 | john |
| 3 | mike |
+------+-------+
3 rows in set (0.00 sec)
Credit to ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated...