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How can I plot with 2 different y-axes?
...otrix package automates this process, as does doubleYScale() in the latticeExtra package.
Another example (adapted from an R mailing list post by Robert W. Baer):
## set up some fake test data
time <- seq(0,72,12)
betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35)
cell.density <- c(0,10...
How to use the “required” attribute with a “radio” input field
...efault way of its appearance. You can follow these steps. This is just for extra info if you have any intention to modify the default behavior.
Add the following into you .css file.
/* style all elements with a required attribute */
:required {
background: red;
}
For more information you can r...
MongoDB with redis
...fit from the flexibility of MongoDB for main persistent data, and from the extra features provided by Redis (low latency, item expiration, queues, pub/sub, atomic blocks, etc ...). It is indeed a good combination.
Please note you should never run a Redis and MongoDB server on the same machine. Mong...
What is context in _.each(list, iterator, [context])?
...pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can usually adapt a low-level helper. The goal is to have your custom logic bundling a verb and two n...
How to use Git Revert
...revert directly commit to the repo?
git revert is a commit - there are no extra steps assuming reverting a single commit is what you wanted to do.
Obviously you'll need to push again and probably announce to the team.
Indeed - if the remote is in an unstable state - communicating to the rest of t...
Flask vs webapp2 for Google App Engine
..., webapp2 has a big chance to be included in a future SDK release (this is extra-official, don't quote me :-) which will push it forward and bring new developers and contributions.
That said, I'm a big fan of Werkzeug and the Pocoo guys and borrowed a lot from Flask and others (web.py, Tornado), bu...
How to build & install GLFW 3 and use it in a Linux project
...ilar way) from www.glfw.org, probably using this link.
The next step is to extract the archive, and open a terminal. cd into the glfw-3.X.X directory and run cmake -G "Unix Makefiles" you may need elevated privileges, and you may also need to install build dependencies first. To do this, try sudo ap...
How to make shallow git submodules?
...itmodules submodule.<name>.shallow true
See "Git submodule without extra weight" for more.
Git 2.13 (Q2 2017) do add in commit 8d3047c (19 Apr 2017) by Sebastian Schuberth (sschuberth).
(Merged by Sebastian Schuberth -- sschuberth -- in commit 8d3047c, 20 Apr 2017)
a clone of this s...
CROSS JOIN vs INNER JOIN in SQL
... but not vs CROSS JOIN. Intersection rows are in JOIN, left/right rows are extra (null-extended) rows in LEFT/RIGHT JOIN. It includes CROSS JOIN as a special case of (INNER) JOIN where there are no rows in the non-intersection.
– philipxy
Nov 29 '15 at 0:39
...
MongoDB: Combine data from multiple collections into one..how?
...
Thanks @rmarscher your extra details really helped me to better understand everything.
– benstr
Nov 10 '14 at 21:29
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