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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...
What's wrong with this 1988 C code?
I'm trying to compile this piece of code from the book "The C Programming Language" (K & R). It is a bare-bones version of the UNIX program wc :
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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
So I need to remove a file from a jar / war file.
I was hoping there was something like "jar -d myjar.jar file_I_donot_need.txt"
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Equals(=) vs. LIKE
When using SQL, are there any benefits of using = in a WHERE clause instead of LIKE ?
15 Answers
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How to use ng-repeat without an html element
I need to use ng-repeat (in AngularJS) to list all of the elements in an array.
8 Answers
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The 3 different equals
What is the difference between = , == , and === ?
5 Answers
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How do I use raw_input in Python 3
I am using Python 3.1 and can't get the raw_input to "freeze" the dos pop-up. The book I'm reading is for Python 2.5 and I'm using Python 3.1
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Is there a way to stop Google Analytics counting development work as hits?
I have added the JavaScript that I need to the bottom of my pages so that I can make use of Google Analytics. Only problem is that I am sure that it is counting all my development work as hits. Seeing as I probably see some of those pages a hundred times a day it will really skew my readings. Is the...
What are the advantages of using the C++ Boost libraries? [closed]
So, I've been reading through and it appears that the Boost libraries get used a lot in practice (not at my shop, though). Why is this? and what makes it so wonderful?
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Finalize vs Dispose
Why do some people use the Finalize method over the Dispose method?
15 Answers
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