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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...
jQuery, get html of a whole element [duplicate]
... Return outerHTML for the first element in a jQuery object,
* or an empty string if the jQuery object is empty;
*/
jQuery.fn.outerHTML = function() {
return (this[0]) ? this[0].outerHTML : '';
};
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get an element's id
...
You need to check if is a string to avoid getting a child element
var getIdFromDomObj = function(domObj){
var id = domObj.id;
return typeof id === 'string' ? id : false;
};
...
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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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...
How to use setInterval and clearInterval?
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Never use strings with setInterval or setTimeout.
– T.J. Crowder
May 12 '11 at 13:19
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