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Ruby: What is the easiest way to remove the first element from an array?
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"pop"ing the first element of an Array is called "shift" ("unshift"
being the operation of adding one element
in front of the array).
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List files recursively in Linux CLI with path relative to the current directory
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Use find:
find . -name \*.txt -print
On systems that use GNU find, like most GNU/Linux distributions, you can leave out the -print.
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How can I copy data from one column to another in the same table?
...edited Sep 28 '18 at 8:55
wintermeyer
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answered Jun 10 '11 at 15:32
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Setting table row height
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As mentioned in a later comment. the height has to be bigger than the height of your largest content. Otherwise, it will just use the height of the largest content as the minimum height. And yes, this only works for one line of ...
Multiply TimeSpan in .NET
How do I multiply a TimeSpan object in C#? Assuming the variable duration is a TimeSpan , I would like, for example
9 An...
What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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How to sum up an array of integers in C#
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How to create the perfect OOP application [closed]
Recently I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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Why do we copy then move?
I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example:
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