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Get the first item from an iterable that matches a condition

... 13 Answers 13 Active ...
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Checking if array is multidimensional or not?

... 136 The short answer is no you can't do it without at least looping implicitly if the 'second dimen...
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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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How to extract one column of a csv file

... 137 You could use awk for this. Change '$2' to the nth column you want. awk -F "\"*,\"*" '{print $...
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Why is rbindlist “better” than rbind?

...d will join by position eg do.call(rbind, list(data.frame(a = 1:2, b = 2:3), data.frame(b = 1:2, a = 2:3))) ## a b ## 1 1 2 ## 2 2 3 ## 3 2 1 ## 4 3 2 rbindlist(list(data.frame(a = 1:5, b = 2:6), data.frame(b = 1:5, a = 2:6))) ## a b ## 1: 1 2 ## 2: 2 3 ## 3: 1 2 ## 4: 2 3 Some...
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Build an ASCII chart of the most commonly used words in a given text [closed]

... 123 votes LabVIEW 51 nodes, 5 structures, 10 diagrams Teaching the elephant to tap-dan...
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Paste multiple columns together

... # your starting data.. data <- data.frame('a' = 1:3, 'b' = c('a','b','c'), 'c' = c('d', 'e', 'f'), 'd' = c('g', 'h', 'i')) # columns to paste together cols <- c( 'b' , 'c' , 'd' ) # create a new column `x` with the three columns collapsed together data$x <- apply( d...
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How to convert hex to rgb using Java?

... return new Color( Integer.valueOf( colorStr.substring( 1, 3 ), 16 ), Integer.valueOf( colorStr.substring( 3, 5 ), 16 ), Integer.valueOf( colorStr.substring( 5, 7 ), 16 ) ); } share ...
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Concatenate a vector of strings/character

...ta, collapse = '') Thanks to http://twitter.com/onelinetips/status/7491806343 share | improve this answer | follow | ...
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?

... 359 SQLiteOpenHelper onCreate() and onUpgrade() callbacks are invoked when the database is actuall...