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How do I get the current absolute URL in Ruby on Rails?
...the method is at http://api.rubyonrails.org/classes/ActionDispatch/Request.html#method-i-original_url but if you're curious the implementation is:
def original_url
base_url + original_fullpath
end
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What is the default access modifier in Java? [duplicate]
.../codeinventions.blogspot.com/2014/09/default-access-modifier-in-java-or-no.html
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What is the meaning of symbol $ in jQuery?
...eady (similar to
body.onload() but better).
You can pass it a string of HTML to turn
into a DOM element which you can
then inject into the document.
You can pass it a DOM element or
elements that you want to wrap with
the jQuery object.
Here is the documentation: https://api.jquery.com/jQuer...
How can I display an image from a file in Jupyter Notebook?
...
You could use in html code in markdown section:
example:
<img src="https://www.tensorflow.org/images/colab_logo_32px.png" />
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Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
...rome.
The Chrome console told me that the error was in the 1st line of the HTML file.
It was actually in the .js file. So watch out for setValidNou(1060, $(this).val(), 0') error types.
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PHP Get all subdirectories of a given directory
...
Try this code:
<?php
$path = '/var/www/html/project/somefolder';
$dirs = array();
// directory handle
$dir = dir($path);
while (false !== ($entry = $dir->read())) {
if ($entry != '.' && $entry != '..') {
if (is_dir($path . '/' .$entry)) {
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get CSS rule's percentage value in jQuery
...;
return Math.round(100*width)+'%';
};
})(jQuery);
$('body').html($('.largeField').getWidthInPercent());
Will return '65%'. Only returns rounded numbers to work better if you do like if (width=='65%'). If you would have used Adams answer directly, that hadn't worked (I...
How can I write a regex which matches non greedy? [duplicate]
...the whole tag. Or <img[^>]*>.
But remember that the whole set of HTML can't be actually parsed with regular expressions.
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How do I change the data type for a column in MySQL?
...
http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of mysql client GUI...
Wrapping chained method calls on a separate line in Eclipse for Java
....eclipse.org/eclipse/downloads/drops/R-3.6-201006080911/eclipse-news-part2.html#JavaFormatter
See also:
How to turn off the Eclipse code formatter for certain sections of Java code?
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