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What's the difference between echo, print, and print_r in PHP?
...nd echo are more or less the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take multiple parameters, although such usage is rare; echo is slightly ...
Python: split a list based on a condition?
...st way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
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Convert absolute path into relative path given a current directory using Bash
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Using realpath from GNU coreutils 8.23 is the simplest, I think:
$ realpath --relative-to="$file1" "$file2"
For example:
$ realpath --relative-to=/usr/bin/nmap /tmp/testing
../../../tmp/testing
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How to capitalize the first character of each word in a string
Is there a function built into Java that capitalizes the first character of each word in a String, and does not affect the others?
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Razor comment syntax
What is the syntax for server side comment in razor view?
4 Answers
4
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Interview question: Check if one string is a rotation of other string [closed]
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First make sure s1 and s2 are of the same length. Then check to see if s2 is a substring of s1 concatenated with s1:
algorithm checkRotation(string s1, string s2)
if( len(s1) != len(s2))
return false
if( substring(s2,concat(s1,s1))
return true
return false
end
In Java:
boolean is...
RegEx to exclude a specific string constant [duplicate]
...d to match any string except a specific string constant let us say "ABC" ? Is this possible to exclude just one specific string constant? Thanks your help in advance.
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Determine if 2 lists have the same elements, regardless of order? [duplicate]
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You can simply check whether the multisets with the elements of x and y are equal:
import collections
collections.Counter(x) == collections.Counter(y)
This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists.
If th...
Is a one column table good design? [closed]
It it ok to have a table with just one column? I know it isn't technically illegal, but is it considered poor design?
15 A...
How does MongoDB sort records when no sort order is specified?
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What is the default sort order when none is specified?
The default internal sort order (or natural order) is an undefined implementation detail. Maintaining order is extra overhead for storage engines and MongoDB's API does not m...