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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
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How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
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Sending Arguments To Background Worker?
Let's say I want to sent an int parameter to a background worker, how can this be accomplished?
8 Answers
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How can I detect if this dictionary key exists in C#?
I am working with the Exchange Web Services Managed API, with contact data. I have the following code, which is functional , but not ideal:
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How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
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Split string with multiple delimiters in Python [duplicate]
I found some answers online, but I have no experience with regular expressions, which I believe is what is needed here.
5 A...
Access event to call preventdefault from custom function originating from onclick attribute of tag
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I believe you can pass in event into the function inline which will be the event object for the raised event in W3C compliant browsers (i.e. older versions of IE will still require detection inside of your event handler functio...
How to check if an array value exists?
How can I check if $something['say'] has the value of 'bla' or 'omg' ?
12 Answers
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Laravel: Get base url
Simple question, but the answer seems quite hard to come by. In Codeigniter, I could load the url helper and then simply do
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How to remove last n characters from every element in the R vector
...hat I would do. I hope it's what you're looking for.
char_array = c("foo_bar","bar_foo","apple","beer")
a = data.frame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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