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Checking if array is multidimensional or not?
...will recursively count the array. This is particularly useful for counting all the elements of a multidimensional array. count() does not detect infinite recursion.
However this method does not detect array(array()).
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iOS JavaScript bridge
...t's something simple enough that you might give it a try yourself. I personally did exactly this when I needed to do that. You might also create a simple library that suits your needs.
1. Execute JS methods from Objective-C
This is really just one line of code.
NSString *returnvalue = [webView st...
Return index of greatest value in an array
...s say I have more than one index with the same highest value, how do I get all these indexes?
– ed1nh0
Apr 15 '19 at 14:02
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Sort hash by key, return hash in Ruby
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10 Answers
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Drop data frame columns by name
...d like to remove from a data frame. I know that we can delete them individually using something like:
20 Answers
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Converting JavaScript object with numeric keys into array
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It's actually very straight forward with jQuery's $.map
var arr = $.map(obj, function(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Arra...
'Java' is not recognized as an internal or external command
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For some reason in Windows 10, this won't work. Put the full path in PATH variable instead of using %JAVA_HOME%. Check out this answer: stackoverflow.com/a/62590863/3337089
– Nagabhushan S N
Jun 26 at 9:43
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Node.js Mongoose.js string to ObjectId function
...firm?
– Artur Tagisow
May 13 '19 at 10:38
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How to store arbitrary data for some HTML tags
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Which version of HTML are you using?
In HTML 5, it is totally valid to have custom attributes prefixed with data-, e.g.
<div data-internalid="1337"></div>
In XHTML, this is not really valid. If you are in XHTML 1.1 mode, the browser will probably complain about it, b...
How do you crash a JVM?
...ught that you could do so by writing an infinite for-loop that would eventually use up all the memory.
27 Answers
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