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Check if any ancestor has a class using jQuery
...tively, if you have a unique selector matching the $elem, e.g #myElem, you can use:
if ($('.parentClass:has(#myElem)').length /* > 0*/) {/*...*/}
if(document.querySelector('.parentClass #myElem')) {/*...*/}
If you want to match an element depending any of its ancestor class for styling purp...
Pandas aggregate count distinct
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This answer is outdated. You can now use nunique directly. See @Blodwyn Pig's solution below
– Ted Petrou
Nov 5 '17 at 20:07
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Appropriate hashbang for Node.js scripts
...d as node , but in the latter it is nodejs . At the top of my script, I can have:
1 Answer
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Python: using a recursive algorithm as a generator
...ion to generate certain sequences with nontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with...
What is the C# equivalent to Java's isInstance()?
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@TimothyGonzalez Because it does something different. It tests whether two variables have the same type. is required a type name, by contrast. This is what OP wanted: the equivalent of Java's isInstance. The other answer is simply wrong despite...
How does one use rescue in Ruby without the begin and end block
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A method "def" can serve as a "begin" statement:
def foo
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rescue
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end
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Rails: How to list database tables/objects using the Rails console?
...at databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious.
Thanks.
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How to indicate param is optional using inline JSDoc?
According to the JSDoc wiki for @param you can indicate a @param is optional using
4 Answers
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TypeError: sequence item 0: expected string, int found
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Can also use .join(map(str, value_list))
– BallpointBen
May 17 '18 at 13:37
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Count cells that contain any text
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You can pass "<>" (including the quotes) as the parameter for criteria. This basically says, as long as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can us...