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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 ...
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 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 set a Header field on POST a form?
...ever you may use for example jquery (although you can do it with plain javascript) to serialize the form and send (using AJAX) while adding your custom header.
Look at the jquery serialize which changes an HTML FORM into form-url-encoded values ready for POST.
UPDATE
My suggestion is to include e...
ImportError: No module named requests
...rompt, use > Path\easy_install.exe requests, where Path is your Python*\Scripts folder, if it was installed. (For example: C:\Python32\Scripts)
If you manually want to add a library to a windows machine, you can download the compressed library, uncompress it, and then place it into the Lib\site-...
Error 1022 - Can't write; duplicate key in table
... thought MySQL Workbench would have fixed this when exporting the creation script, but that's what I get for "Ignore"ing the warning about this sort of thing when I opened the project.
– SnowInferno
Oct 1 '14 at 0:17
...
How to reference a .css file on a razor view?
...
Using
@Scripts.Render("~/scripts/myScript.js")
or
@Styles.Render("~/styles/myStylesheet.css")
could work for you.
https://stackoverflow.com/a/36157950/2924015
...
Get HTML Source of WebElement in Selenium WebDriver using Python
... is a not DOM attribute. So above answer wouldn't work. innerHTML is a javascript javascript value. Doing above would return null. The answer by nilesh is the proper answer.
– bibstha
Mar 22 '12 at 13:53
...