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HTML text input allow only numeric input
...ents below refer to an old version which messed around with keycodes.
JavaScript
Try it yourself on JSFiddle.
You can filter the input values of a text <input> with the following setInputFilter function (supports Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations, non-typeab...
How do I determine k when using k-means clustering?
... and keep removing centroids (reducing k) until it no longer reduces the description length. See "MDL principle for robust vector quantisation" by Horst Bischof, Ales Leonardis, and Alexander Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999.
Finally, you can start with one cluster,...
Angular js init ng-model from default values
... $scope.card = data;
});
});
<input type="text" ng-model="card.description" />
If you absolutely MUST render your values into your HTML from your server, you could put them in a global variable and access them with $window:
In the header of your page you'd write out:
<head>
...
Unix tail equivalent command in Windows Powershell
...ason not documented well in v2.
Here is an example
Get-Content -Path "C:\scripts\test.txt" -Wait
Once you run this, update and save the file and you will see the changes on the console.
share
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...
How to change the output color of echo in Linux
...t Gray 0;37 White 1;37
And then use them like this in your script:
# .---------- constant part!
# vvvv vvvv-- the code from above
RED='\033[0;31m'
NC='\033[0m' # No Color
printf "I ${RED}love${NC} Stack Overflow\n"
which prints love in red.
From @james-lim's comment, if you...
How to generate a git patch for a specific commit?
I need to write a script that creates patches for a list of SHA1 commit numbers.
10 Answers
...
Python concatenate text files
...le names, like ['file1.txt', 'file2.txt', ...] . I want to write a Python script to concatenate these files into a new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "elegant" to me, especial...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
...amples. Also note that you still must do server side validation!
Pure JavaScript (without jQuery)
jQuery isn't actually needed for this, you can do the same thing with pure JavaScript as well. See this answer.
HTML 5
HTML 5 has a native solution with <input type="number"> (see the specific...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...ime it deletes the original. I suggest you don't use it.
Consider a shell script:
#!/bin/sh
if [[ $# -eq 0 ]]
then
echo "Usage: $0 [file ...]"
exit 1
fi
for i in "$@"
do
perl -MList::Util -e 'print List::Util::shuffle <>' $i > $i.new
if [[ `wc -c $i` -eq `wc -c $i.new` ]]
then...
Conversion failed when converting date and/or time from character string while inserting datetime
... The DATETIME2 thing worked for me. In my case I was importing a database script from a SQLServer in english to a spanish version of it, so everytime the same error. I simply replaced in the script all the "as DATETIME" ocurrencies to "as DATETIME2" and problem solved.
– Aleja...