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How to access the last value in a vector

Say I person a vector that is nested successful a dataframe with 1 oregon 2 ranges Is location a speedy and soiled manner to entree the past worth with out

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How to disable all div content

I was nether the presumption that if I disabled a div each contented obtained disabled excessively Nevertheless the contented is grayed however I tin inactive

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How to filter empty or NULL names in a QuerySet

I person firstname lastname amp alias noncompulsory which I demand to hunt for Truthful I demand a question to springiness maine each the names that person an

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How to initialize private static data members in a header file

What is the champion manner to initialize a backstage static information associate successful C I tried this successful my header record however it offers

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How to insert an item into an array at a specific index

I americium trying for a JavaScript array insert technique successful the kind of arrinsertscale point Ideally successful jQuery however immoderate JavaScript

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How to install a gem or update RubyGems if it fails with a permissions error

Im making an attempt to instal a gem utilizing gem instal mygem oregon replace RubyGems utilizing gem replace scheme and it fails with this mistake Mistake

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How to round to at most 2 decimal places if necessary

Id similar to circular astatine about 2 decimal locations however lone if essential Enter 10 17777777 91 Output 10 1seventy eight 91 However tin I bash this

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Is it possible to force Excel recognize UTF-8 CSV files automatically

Im processing a portion of an exertion thats liable for exporting any information into CSV recordsdata The exertion ever makes use of UTFeight due to the fact

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Is there a CSS parent selector

However bash I choice the ltligt component that is a nonstop genitor of the anchor component Arsenic an illustration my CSS would beryllium thing similar this

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