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How can I convert a comma-separated string to an array?
...ar array = string.split(',');
MDN reference, mostly helpful for the possibly unexpected behavior of the limit parameter. (Hint: "a,b,c".split(",", 2) comes out to ["a", "b"], not ["a", "b,c"].)
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How to create a file in a directory in java?
If I want to create a file in C:/a/b/test.txt , can I do something like:
11 Answers
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Allowing interaction with a UIView under another UIView
Is there a simple way of allowing interaction with a button in a UIView that lies under another UIView - where there are no actual objects from the top UIView on top of the button?
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To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
4 Answers
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Find lines from a file which are not present in another file [duplicate]
I have two files (let's say a.txt and b.txt ), both of which has a list of names. I have already run sort on both the files.
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jquery get all form elements: input, textarea & select
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Edit: As pointed out in comments (Mario Awad & Brock Hensley), use .find to get the children
$("form").each(function(){
$(this).find(':input') //<-- Should return all input elements in that specific form.
});
forms also have an elements collection, sometimes thi...
How to apply a function to two columns of Pandas dataframe
... values to the function f, rewrite the function to accept a pandas Series object, and then index the Series to get the values needed.
In [49]: df
Out[49]:
0 1
0 1.000000 0.000000
1 -0.494375 0.570994
2 1.000000 0.000000
3 1.876360 -0.229738
4 1.000000 0.000000
In [50]: ...
What's the safest way to iterate through the keys of a Perl hash?
If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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Remove NA values from a vector
... and I'm trying to find the max value in that vector (the vector is all numbers), but I can't do this because of the NA values.
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Return index of greatest value in an array
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This is probably the best way, since it’s reliable and works on old browsers:
function indexOfMax(arr) {
if (arr.length === 0) {
return -1;
}
var max = arr[0];
var maxIndex = 0;
for (var i = 1; i < ar...