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General suggestions for debugging in R
...nough information, I usually use the debug() function and step through the script line by line.
The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions.
As a final comment: depending upon the error, it is also very helpful to set ...
How do I create a comma-separated list from an array in PHP?
...-child via css if they are separate elements after being rendered from the script.
I use this a lot in backbone apps actually to trim some arbitrary code fat:
.likers a:not(:last-child):after { content: ","; }
Basically looks at the element, targets all except it's last element, and after each ...
Benchmarking small code samples in C#, can this implementation be improved?
...
I'd propose you to pass iteration count to the Action, and create the loop there (possibly - even unrolled). In case you're measuring relatively short operation this is the only option. And I'd prefer seeing inverse metric - e.g. co...
How to export all collections in MongoDB?
...
I wrote bash script for that. Just run it with 2 parameters (database name, dir to store files).
#!/bin/bash
if [ ! $1 ]; then
echo " Example of use: $0 database_name [dir_to_store]"
exit 1
fi
db=$1
out_dir=$2
if [ ! $ou...
How to launch html using Chrome at “--allow-file-access-from-files” mode?
...ructions below.
--- For Linux ---
Since Python is usually available in most linux distributions, just run python -m SimpleHTTPServer in your project directory, and you can load your page on http://localhost:8000
In Python 3 the SimpleHTTPServer module has been merged into http.server, so the new...
Disable same origin policy in Chrome
...
Close chrome (or chromium) and restart with the --disable-web-security argument. I just tested this and verified that I can access the contents of an iframe with src="http://google.com" embedded in a page served from "localhost...
How to tell which version of a gem a rails app is using
...ce for others to view. I also wanted to clarify this a bit for Rails 3:
script/about has been replaced with rake about The details are here. If you are interested a list of all the command line changes for Rails 3 they can be found here.
rake gems does not work in Rails 3. Instead you should u...
Zoom to fit all markers in Mapbox or Leaflet
...p.getBounds());
}
}
.mymap{
height: 300px;
width: 100%;
}
<script src="https://unpkg.com/leaflet@1.3.1/dist/leaflet.js"></script>
<link href="https://unpkg.com/leaflet@1.3.1/dist/leaflet.css" rel="stylesheet"/>
<div id="map" class="mymap"></div>
<bu...
How to solve Permission denied (publickey) error when using Git?
...re
This info is working on theChaw but can be applied to all other git repositories which support SSH pubkey authentications. (See gitolite, gitlab or github for example.)
First start by setting up your own public/private key pair set. This
can use either DSA or RSA, so basically any key you ...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...
Okay, as posted here https://stackoverflow.com/a/17271172/1458552 without much attention by other users:
The libEGL.dll was missing! Even though this has not been reported when trying to start the application (all other *.dlls such a...
