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.NET Format a string with fixed spaces
...StringUtils
{
public static string PadCenter(this string s, int width, char c)
{
if (s == null || width <= s.Length) return s;
int padding = width - s.Length;
return s.PadLeft(s.Length + padding / 2, c).PadRight(width, c);
}
}
Note to self: don't forget to u...
How to use jQuery to select a dropdown option?
I was wondering if it’s possible to get jQuery to select an <option> , say the 4th item, in a dropdown box?
13 Ans...
Fastest way to count exact number of rows in a very large table?
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
...
A numeric string as array key in PHP
...around is:
$id = 55;
$array = array(
" $id" => $value
);
The space char (prepend) is a good solution because keep the int conversion:
foreach( $array as $key => $value ) {
echo $key;
}
You'll see 55 as int.
s...
jquery select change event get selected option
I bound an event on the change event of my select elements with this:
9 Answers
9
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...ent attribute. Otherwise, (valid at least for PG) you might get ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list
– long
Apr 21 at 14:08
add a commen...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...pace - it just hides it by moving the start and end values. The underlying char[] remains unchanged.)
– corsiKa
May 28 '10 at 21:02
2
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MySQL “WITH” clause
...
You might be interested in somethinkg like this:
select * from (
select * from table
) as Subquery
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How to insert a character in a string at a certain position?
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This solution works for any string >= 4 characters: the string "111" gave me ".111", and anything less than that results in a java.lang.StringIndexOutOfBoundsException (attempting to access a reference that doesn't exist).
– sotrh
...
Identify if a string is a number
...$")
If you just want to know if it has one or more numbers mixed in with characters, leave off the ^ + and $.
Regex.IsMatch(input, @"\d")
Edit:
Actually I think it is better than TryParse because a very long string could potentially overflow TryParse.
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