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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 ...
Hide div after a few seconds
...
background: #000;
color: #fff;
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="mydiv">myDiv</div>
If you just want to hide without fading, use hide().
...
How to print a debug log?
... As one who spends a lot of time writing console apps and various non web scripts, I will politely disagree with that.
– stefgosselin
May 21 '11 at 12:33
...
How to remove “onclick” with JQuery?
...cters (like "$")
$('[id="a$id"]').prop('onclick',null).off('click');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<a id="a$id" onclick="alert('get rid of this')" href="javascript:void(0)" class="black">Qualify</a>
...
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...
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
...