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Capitalize the first letter of both words in a two word string
...ting the tolower function inside thee simpleCap function you can deal with all capped words too:is code you can deal: <br/> name <- c("george wasHINgton","tom jefferson", "ABE LINCOLN") simpleCap <- function(x) { s <- tolower(x) s <- strsplit(s, " ")[[1]] paste(toupp...
How to efficiently count the number of keys/properties of an object in JavaScript?
...t only iterates through the object but also creates a whole new array with all its keys, so it completely fails at answering the question.
– GetFree
Jun 22 '12 at 14:28
43
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Resolve promises one after another (i.e. in sequence)?
...uential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
27 Answers...
Pass in an array of Deferreds to $.when()
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To pass an array of values to any function that normally expects them to be separate parameters, use Function.prototype.apply, so in this case you need:
$.when.apply($, my_array).then( ___ );
See http://jsfiddle.net/YNGcm/21/
In ES6, you can use the ... spread operator ins...
How to use the TextWatcher class in Android?
...ich are overridden for the text watcher. you can mask the text which you really wanted to.
– Dinesh Prajapati
Dec 17 '11 at 8:07
2
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
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If you're actually dealing with 1-dimensional arrays (like in you're example) then on you're first line use a Series instead of a DataFrame, like @DSM used: df = pd.Series({'countries':['US','UK','Germany','China']})
–...
Fast check for NaN in NumPy
...stion, since it builds a boolean array of shape X.shape , which is potentially gigantic.
7 Answers
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How do you do a simple “chmod +x” from within python?
... non-pythonic answer that may be a little more readable: subprocess.check_call(['chmod', '+x', 'somefile']) and let's you more easily do operations like a+rx.
– Trevor Boyd Smith
Aug 6 at 15:28
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How to delete files older than X hours
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Using --mmin +X returns all files with my find. My fault for not checking this first, but this command just deleted most of my home directory. For me, --mmin -X is the correct argument.
– brandones
Oct 16 '13 a...
cocktail party algorithm SVD implementation … in one line of code?
...he cocktail party problem given the audio sources are recorded by two spatially separated microphones:
2 Answers
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