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Getting list of lists into pandas DataFrame
I am reading contents of a spreadsheet into pandas. DataNitro has a method that returns a rectangular selection of cells as a list of lists. So
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Replace a value in a data frame based on a conditional (`if`) statement
...] <- "b"
Take a look at Index vectors in R Introduction (if you don't read it yet).
EDIT. As noticed in comments this solution works for character vectors so fail on your data.
For factor best way is to change level:
levels(junk$nm)[levels(junk$nm)=="B"] <- "b"
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Merge cells using EPPlus?
I'm using the EPPlus library to read/write Excel files: http://epplus.codeplex.com/
3 Answers
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Emacs - Multiple columns one buffer
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Evidently, someone already did it, but yes, elisp is an amazing tool!
– Brian Postow
Jun 9 '09 at 15:32
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Convert InputStream to BufferedReader
I'm trying to read a text file line by line using InputStream from the assets directory in Android.
3 Answers
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Why do my list item bullets overlap floating elements
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Nice! I can't see how this makes any sense, though, when reading the W3C doc on overflow: w3schools.com/cssref/pr_pos_overflow.asp
– MSC
Jun 19 '15 at 4:41
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What is the behavior of integer division?
...lt is negative, C truncates towards 0 rather than flooring - I learnt this reading about why Python integer division always floors here: Why Python's Integer Division Floors
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How to undo a git pull?
...t (e.g. after a rebase, a hard reset, a branch switch and such things). Do read the linked article for reflog. Cheers
– sehe
Aug 28 '12 at 7:34
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Getting attribute using XPath
...g. How such a mapping is created is implementation-specific and one has to read in the documentation of the host of the XPath engine. This is done in a specific way in .NET and in another way in let's say in Saxon. If you don't have any such mapping, use: title/@*[name()='v:lang']
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Use of #pragma in C
...e location specific .say a situation where you want the program counter to read from the specific address where the ISR is written then you can specify ISR at that location using #pragma vector=ADC12_VECTOR and followd by interrupt rotines name and its description
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