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jQuery find parent form
...dd getting by index? '$("input[type=submit]").closest("form");' returns an array of forms.
– sergzach
May 22 '12 at 6:20
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Test if characters are in a string
...ines of output. And it seems that R's grep function similarly will take an array of inputs. For reasons that are utterly unknown to me (I only started playing with R about an hour ago), it returns a vector of the indexes that match, rather than a list of matches.
But, back to your original question...
How to check if field is null or empty in MySQL?
... YOURROWNAME from `YOURTABLENAME` where name = $name");
$ertom=mysql_fetch_array($query_s);
if ('' !== $ertom['YOURROWNAME']) {
//do your action
echo "It was filled";
} else {
echo "it was empty!";
}
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Create JSON object dynamically via JavaScript (Without concate strings)
...able to pass it to a php script using ajax. My values were stored into two arrays, and i wanted them in json format.
This is a generic example:
valArray1 = [121, 324, 42, 31];
valArray2 = [232, 131, 443];
myJson = {objArray1: {}, objArray2: {}};
for (var k = 1; k < valArray1.length; k++) {
v...
What does %5B and %5D in POST requests stand for?
...> ['1', '2', '3'] ];
and what is THE method to separate query vars in arrays (in php, at least).
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Error: “Cannot modify the return value” c#
... defines two kinds of things: a storage location type (used for variables, array slots, etc.) and a heap object type, sometimes referred to as a "boxed" type (used when a value-type value is stored to a reference-type location).
– supercat
Apr 25 '13 at 18:57
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How do you cast a List of supertypes to a List of subtypes?
...write: List<String> myList = (List<String>)(List<?>)(new ArrayList<Integer>()); This would crash at runtime. I prefer something like List<? extends Number> myList = new ArrayList<Integer>();
– Bentaye
Oct 12 '17 at 11:56
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Why do we need RESTful Web Services?
...loyee" with IANA, or that we just consider "Employee" to be an associative array of name/value pairs.
– John Saunders
Sep 9 '09 at 6:05
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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What does the Reflect object do in JavaScript?
...ants to call a function f with a variable number of arguments packed as an array args and binding the this value to obj, one can write:
f.apply(obj, args)
However, f could be an object that intentionally or unintentionally defines its own apply method. When you really want to make sure that the b...