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Quickly reading very large tables as dataframes
I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead o...
SearchView's OnCloseListener doesn't work
I'm trying to add support for the SearchView in the Android 3.0+ ActionBar, but I can't get the OnCloseListener to work.
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“unrecognized import path” with go get
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How to enable curl, installed Ubuntu LAMP stack?
I have installed ubuntu Lamp stack. But the curl is not enabled, neither can I can find the extension listed in the INI file. I added manually but it didn't work either.
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How do I merge two javascript objects together in ES6+?
I'm sick of tired of always having to write code like this:
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Changing UIButton text
So I'm trying to update the text on a UIButton when I click it. I'm using the following line to change the text:
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Batch File; List files in directory, only filenames?
...I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and exclude anything else.
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How can I search for a multiline pattern in a file?
I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep :
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Random date in C#
I'm looking for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date.
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How best to include other scripts?
The way you would normally include a script is with "source"
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