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Split Strings into words with multiple word boundary delimiters
...task but I've found no reference on the web. I have text with punctuation, and I want a list of the words.
31 Answers
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PostgreSQL disable more output
...t, run it with -q or set QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll th...
Why would one declare a Java interface method as abstract?
...va Language Specification, the abstract keyword for interfaces is obsolete and should no longer be used. (Section 9.1.1.1)
That said, with Java's propensity for backwards compatibility, I really doubt it will ever make a difference whether the abstract keyword is present.
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Best ways to teach a beginner to program? [closed]
...ad to work with several beginner (never wrote a line of code) programmers, and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps.
1) FizzBuzz. Start with command line pr...
String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
11
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Find all storage devices attached to a Linux machine [closed]
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/proc/partitions will list all the block devices and partitions that the system recognizes. You can then try using file -s <device> to determine what kind of filesystem is present on the partition, if any.
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Checking out Git tag leads to “detached HEAD state”
I'm developing a deployment script for my git project and I just started using tags. I've added a new tag called v2.0 :
2 ...
Code for Greatest Common Divisor in Python [closed]
The greatest common divisor (GCD) of a and b is the largest number that divides both of them with no remainder.
20 Answers
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are there dictionaries in javascript like python?
...x","harry"],
"AK":["liza","alex"],
"TX":["fred", "harry"]
};
And to access the values:
states_dictionary.AK[0] //which is liza
or you can use javascript literal object notation, whereby the keys not require to be in quotes:
states_dictionary={
CT:["alex","harry"],
AK:["...
Efficient way to rotate a list in python
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A collections.deque is optimized for pulling and pushing on both ends. They even have a dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
item...