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Bomb dropping algorithm
...o 0. One can proceed down the line left to right in a strategy like this:
index = 1
while index < line_length
while number_at_index(index - 1) > 0
bomb(index)
end
index++
end
# take care of the end of the line
while number_at_index(index - 1) > 0
bomb(index - 1)
end
A couple ...
The tilde operator in Python
...
One should note that in the case of array indexing, array[~i] amounts to reversed_array[i]. It can be seen as indexing starting from the end of the array:
[0, 1, 2, 3, 4, 5, 6, 7, 8]
^ ^
i ~i
...
Getting started with F# [closed]
...
Official entry point is here: Microsoft F# Developer Center
For a quick taste, consider trying F# in your browser (Silverlight). (contains interactive tutorial walkthroughs)
Start by watching videos and presentations (BTW, An Introduction to Microsoft F# by Luca Bolognese is still one of t...
Parameterize an SQL IN clause
...
Two caveats:
The performance is terrible. LIKE "%...%" queries are not indexed.
Make sure you don't have any |, blank, or null tags or this won't work
There are other ways to accomplish this that some people may consider cleaner, so please keep reading.
...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...it, git (of course) assumes the files corresponding to that portion of the index have not been modified in the working copy. So it avoids a mess of stat calls. This bit is lost whenever the file's entry in the index changes (so, when the file is changed upstream).
skip-worktree is more than that: e...
Exception handling in R [closed]
... since been discontinued, but you can try
Github search as e.g. in this query for tryCatch in language=R;
Ohloh/Blackduck Code search eg this query for tryCatch in R files
the Debian code search engine on top of the whole Debian archive
Just for the record, there is also try but tryCatch may b...
How to hide reference counts in VS2013?
...ght clicking the indicators themselves in the editor:
documented in the Q&A section of the msdn CodeLens documentation
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Delete the first three rows of a dataframe in pandas
...to do this in a groupby()? This works but returns duplicate columns in the index df=pd.DataFrame({'v':np.arange(10).tolist()*2,'g':['a']*10+['b']*10});df.groupby('g').apply(lambda x: x.iloc[3:])
– citynorman
Aug 6 '17 at 22:24
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What's the name for hyphen-separated case?
...ab-case is winning:
https://trends.google.com/trends/explore?date=all&q=kebab-case,spinal-case,lisp-case,dash-case,caterpillar-case
spinal-case is a distant second, and no other terms have any traction at all.
Additionally, kebab-case has entered the lexicon of several javascript code librari...
How to convert an Int to a String of a given length with leading zeros to align?
...alohaaaaaa". Note the element type of a String is a Char, hence the single quotes around the 'a'.
Your problem is a bit different since you need to prepend characters instead of appending them. That's why you need to reverse the string, append the fill-up characters (you would be prepending them no...