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php Replacing multiple spaces with a single space [duplicate]
...here a way to get rid of all spaces at the right & and the left of the string? for example, " a b c ", would be "a b c", I know we could use trim($output), but it would be nice to have it in regex
– eawedat
Feb 1 '17 at 22:31
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Order a List (C#) by many fields? [duplicate]
...ur object something like
public class MyObject : IComparable
{
public string a;
public string b;
virtual public int CompareTo(object obj)
{
if (obj is MyObject)
{
var compareObj = (MyObject)obj;
if (this.a.CompareTo(compareObj.a) == 0)
...
Loop through a Map with JSTL [duplicate]
I'm looking to have JSTL loop through a Map<String, String> and output the value of the key and it's value.
2 Answe...
python ? (conditional/ternary) operator for assignments [duplicate]
...ed to False => so you will NEVER get values like 0 (int zero), ""(empty string), [] empty array, False, and other "empty" values => because they evaluate to False => True and False is False :) Some languages even consider "0" (zero as string) as empty value :)
– jave...
How to switch databases in psql?
...lid URI prefix (postgresql:// or postgres://), it is treated as a conninfo string. See Section 31.1.1, “Connection Strings”, in the
documentation for more information.
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Colon (:) in Python list index [duplicate]
...t=41m40s at around 40:00 he starts explaining that.
Works with tuples and strings, too.
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Java : Comparable vs Comparator [duplicate]
...cts in a way that might not align with the natural ordering.
For example, Strings are generally compared alphabetically. Thus the "a".compareTo("b") would use alphabetical comparisons. If you wanted to compare Strings on length, you would need to write a custom comparator.
In short, there isn't ...
What does the regex \S mean in JavaScript? [duplicate]
...
/\S/.test(string) returns true if and only if there's a non-space character in string. Tab and newline count as spaces.
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impr...
How to clear ostringstream [duplicate]
...
s.str("");
s.clear();
The first line is required to reset the string to be empty; the second line is required to clear any error flags that may be set. If you know that no error flags are set or you don't care about resetting them, then you don't need to call clear().
Usually it is ea...
Replacing Spaces with Underscores
...This would avoid beginning and ending with white spaces.
$trimmed = trim($string); // Trims both ends
$convert = str_replace('', '_', $trimmed);
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