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How to convert a data frame column to numeric type?
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Now I'm about to demonstrate certain "conversion anomaly":
# create dummy data.frame
d <- data.frame(char = letters[1:5],
fake_char = as.character(1:5),
fac = factor(1:5),
char_fac = factor(letters[1:5]),
num = 1:5, stringsAs...
What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...roblem of dependency roslution using uber-jar, I have already mentioned in my answer: Do not use uber-jar as dependency, period. A bit more in detail: before you create the uber-jar, you should have a normal project with normal dependency. That original artifact is the one you should use as depend...
Triggering HTML5 Form Validation
... HTML5 validation, I'd love to make use of it. However, I need to do it on my terms. I'm using JQuery.
11 Answers
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
Motivation: reason why I'm considering it is that my genius project manager thinks that boost is another dependency and that it is horrible because "you depend on it"(I tried explaining the quality of boost, then gave up after some time :( ). Smaller reason why I would like to do it is that I would...
How to determine if Javascript array contains an object with an attribute that equals a given value?
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@Rocket why did you edit my answer? The syntax without the curly braces is perfectly valid javascript.
– CAFxX
Nov 21 '11 at 20:08
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How to send and retrieve parameters using $state.go toParams and $stateParams?
... In the latest, you need to change params to be an object. so params : { myParam : { value: defaultValue/undefined} }
– rbnzdave
Aug 5 '15 at 23:45
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An algorithm for inflating/deflating (offsetting, buffering) polygons
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I thought I might briefly mention my own polygon clipping and offsetting library - Clipper.
While Clipper is primarily designed for polygon clipping operations, it does polygon offsetting too. The library is open source freeware written in Delphi, C++ and C#...
Git: Recover deleted (remote) branch
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just two commands save my life
1. This will list down all previous HEADs
git reflog
2. This will revert the HEAD to commit that you deleted.
git reset --hard <your deleted commit>
ex. git reset --hard b4b2c02
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How do I “undo” a --single-branch clone?
...fig options may have changed if you're running an older version of Git. If my commands don't work, then I'd recommend looking through .git/config to see if you can see something similar.
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How can I join elements of an array in Bash?
...u're fighting against the shell instead of working with it. That's why, in my answer below, I prepended the delimiter to the terms to be joined.
– gniourf_gniourf
Feb 3 '16 at 17:06
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