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pdftk compression option
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This worked the best out of all mentioned solutions for me. A few large images went down from 23MB to 1.4MB with by far the least quality loss.
– AerandiR
Feb 26 '13 at 5:19
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For each row return the column name of the largest value
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One option using your data (for future reference, use set.seed() to make examples using sample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
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What is a monad?
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As someone who has had a great deal of problems understanding monads, I can say that this answer helped.. a little. However, there's still some things that I don't understand. In what way is the list comprehension a monad? Is there ...
When do I need to use a semicolon vs a slash in Oracle SQL?
...doesn't explain why / or ; see the answer of @a_horse_with_no_name or @Mr_Moneybags for more context
– Kay
Apr 6 at 14:25
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How to Truncate a string in PHP to the word closest to a certain number of characters?
.... It splits the texts in multiple lines such that the maximum width is the one you specified, breaking at word boundaries. After splitting, you simply take the first line:
substr($string, 0, strpos(wordwrap($string, $your_desired_width), "\n"));
One thing this oneliner doesn't handle is the case ...
What's the difference between lists and tuples?
...er.
Using this distinction makes code more explicit and understandable.
One example would be pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to store notes on locations. A li...
Explaining Apache ZooKeeper
...ted between multiple nodes (this set of nodes is called an "ensemble") and one client connects to any of them (i.e., a specific "server"), migrating if one node fails; as long as a strict majority of nodes are working, the ensemble of ZooKeeper nodes is alive. In particular, a master node is dynamic...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
... expected but integer literal found. The author wanted to write 1 + 2 + 3.
One could argue it’s similar for multi-parameter methods with default arguments; it’s impossible to accidentally forget a comma to separate parameters when using parens.
Verbosity
An important often overlooked note about ...
How to programmatically click a button in WPF?
...ts using a provided factory to get the automation peer instead of creating one yourself.
– Greg D
Apr 8 '09 at 11:46
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In VIM, how do I break one really long line into multiple lines?
... This is the opposite of Ctrl+j (combines multiple lines into one).
– Yzmir Ramirez
Mar 31 '11 at 3:56
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