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How can I find the length of a number?
...34567;
x.toString().length;
This process will also work forFloat Number and for Exponential number also.
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How do I check if a number is a palindrome?
...this on an interview because the point would be to determine if you understand modulo.
– Robert Noack
Oct 29 '13 at 4:39
7
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Base64 encoding in SQL Server 2005 T-SQL
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The simplest and shortest way I could find for SQL Server 2012 and above is BINARY BASE64 :
SELECT CAST('string' as varbinary(max)) FOR XML PATH(''), BINARY BASE64
For Base64 to string
SELECT CAST( CAST( 'c3RyaW5n' as XML ).value('.',...
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))
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What is the difference between 'my' and 'our' in Perl?
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Great question: How does our differ from my and what does our do?
In Summary:
Available since Perl 5, my is a way to declare non-package variables, that are:
private
new
non-global
separate from any package, so that the variable cannot be accessed in the form of ...
How to sort an array in Bash
...set IFS
Supports whitespace in elements (as long as it's not a newline), and works in Bash 3.x.
e.g.:
$ array=("a c" b f "3 5")
$ IFS=$'\n' sorted=($(sort <<<"${array[*]}")); unset IFS
$ printf "[%s]\n" "${sorted[@]}"
[3 5]
[a c]
[b]
[f]
Note: @sorontar has pointed out that care is re...
Simple way to find if two different lists contain exactly the same elements?
...plest way to find if two Lists contain exactly the same elements, in the standard Java libraries?
16 Answers
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Using Django time/date widgets in custom form
How can I use the nifty JavaScript date and time widgets that the default admin uses with my custom view?
16 Answers
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Build an ASCII chart of the most commonly used words in a given text [closed]
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LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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Modulo operation with negative numbers
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Should the compiler be smart enough and detect that an unsigned modulo another unsigned is always positive? Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_...