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Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
Since JavaScript is not derived from Java, why does it have "Java" in the name?
10 Answers
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Removing index column in pandas when reading a csv
...When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
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How to declare std::unique_ptr and what is the use of it?
I try to understand how std::unique_ptr works and for that I found this document. The author starts from the following example:
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What is the purpose of Node.js module.exports and how do you use it?
What is the purpose of Node.js module.exports and how do you use it?
12 Answers
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Getting current device language in iOS?
I'd like to show the current language that the device UI is using. What code would I use?
31 Answers
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What does the “map” method do in Ruby?
...lement, outputting each returned value from the block (the original object is unchanged unless you use map!):
[1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
Array and Range are enumerable types. map with a block returns an Array. map! mutates the original array.
Where is this helpful, and what is...
Scala best way of turning a Collection into a Map-by-key?
If I have a collection c of type T and there is a property p on T (of type P , say), what is the best way to do a map-by-extracting-key ?
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How can a string be initialized using “ ”?
If String is a class just like any other, how can it be initialized using double quotes?
10 Answers
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PHP: Storing 'objects' inside the $_SESSION
... I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved.
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javascript check for not null
Below is a code snippet, where we retrieve a form value.
Before further processing check if the value is not null..
10 Answ...