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Test if string is a number in Ruby on Rails
...rt of Rails or 1.8? String.is_a?(Numeric) works. See also stackoverflow.com/questions/2095493/….
– Ross Attrill
Jun 16 '14 at 7:10
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How to iterate over the files of a certain directory, in Java? [duplicate]
... method and you can process each file.
You can find the information here: http://commons.apache.org/proper/commons-io/download_io.cgi
Here's an example:
Iterator it = FileUtils.iterateFiles(new File("C:/"), null, false);
while(it.hasNext()){
System.out.println(((File) it.next(...
css label width not taking effect
... width:125px;
text-transform: uppercase;
display:inline-block
}
http://jsfiddle.net/aqMN4/
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textarea's rows, and cols attribute in CSS
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
In Android EditText, how to force writing uppercase?
... the InputFilter.AllCaps() to editText.getFilters array. See stackoverflow.com/a/18934659/3890983
– tropicalfish
Aug 26 '16 at 7:48
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ReactJS: Modeling Bi-Directional Infinite Scrolling
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have a look at http://adazzle.github.io/react-data-grid/index.html#
This looks like a powerful and performant datagrid with Excel-like features and lazy loading/optimized rendering (for millions of rows) with rich editing features (MIT lice...
How can I get sin, cos, and tan to use degrees instead of radians?
...onversion function that applies the needed math, and invoke those instead. http://en.wikipedia.org/wiki/Radian#Conversion_between_radians_and_degrees
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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
.../bin to PATH for scripting" >> ~/.bashrc
source ~/.bashrc
source: http://www.larry-price.com/blog/2013/12/15/setting-up-a-go-environment-in-ubuntu-12-dot-04/
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How do I pipe or redirect the output of curl -v?
...to get verbose output on the same fd as the response body
curl -vs google.com 2>&1 | less
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Appending the same string to a list of strings in Python
... it to every string contained in a list, and then have a new list with the completed strings. Example:
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