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How do I make a list of data frames?
...f data frames here are three good choices:
# base option - slower but not extra dependencies
big_data = do.call(what = rbind, args = df_list)
# data table and dplyr have nice functions for this that
# - are much faster
# - add id columns to identify the source
# - fill in missing values if some...
Git: can't undo local changes (error: path … is unmerged)
.../bar.txt <br/> $ git checkout -- foo/bar.txt <br/> (Notice the extra "--" in between)
– Jan
Aug 9 '11 at 17:37
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jQuery .on function for future elements, as .live is deprecated [duplicate]
...vents are going to bubble up. This is essentially normal bubbling with an extra filter of .my_class.
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Bower install using only https?
...he section we added to the git config file
# Of course we have our own extra cleanup to do via sed since the unset command
# leaves the section around
# See http://git.661346.n2.nabble.com/git-config-unset-does-not-remove-section-td7569639.html
git config --global --unset url."https:...
How to slice an array in Bash
... defaults to
zero, an omitted second index defaults to the size of the string being
sliced.
>>> local a=(0 1 2 3 4 5)
>>> # from the beginning to position 2 (excluded)
>>> echo $(array.slice 0:2 "${a[@]}")
>>> echo $(array.slice :2 "${a[@]}...
Should I hash the password before sending it to the server side?
...ng is that on connection to the client the server generates a salt (random string to be added before hashing) and stores it on the sockets variable, then it transmits this hash to the client. The client takes the users password, hashes it, adds the salt from the server and hashes the whole thing, be...
Architecture for merging multiple user accounts together
...ision)! I am wondering if you found a way to auto-login the user into the "extra" accounts that are linked after the first login into the application. Would the user have to login separately into each account every time they visit (if there isn't an active session with this providers already)?
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Pointers in Python?
... to a function, and I can't pass a variable by reference using an int or a string?
– Sam
Mar 21 at 15:42
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Best practices for circular shift (rotate) operations in C++
...n-circular shifts work on that target.
Current x86 compilers still use an extra instruction to mask a variable count for 8 and 16-bit rotates, probably for the same reason they don't avoid the AND on ARM. This is a missed optimization, because performance doesn't depend on the rotate count on any ...
Algorithm to generate a crossword
...ithout intervention but you'd still get maybe a fifth requiring one or two extra words added. And we're talking about thousands of words in the file. No doubt backtracking could have helped but it was easier just for the client to reject one with (e.g.) 5 unfinished words than worry about trying to ...