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Using Rails serialize to save hash to database
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The column type is wrong. You should use Text instead of String. Therefore, your migration should be:
def self.up
add_column :users, :multi_wrong, :text
end
Then Rails will properly convert it into YAML for you (and perform proper serialization). Strings fields are limited in size and w...
How can I convert a DOM element to a jQuery element?
...on commands that you need, set up event handlers and append it to the DOM. For example
$('<div id="myid">Div Content</div>')
.bind('click', function(e) { /* event handler here */ })
.appendTo('#myOtherDiv');
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How do I commit only some files?
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I would be helpful to provide examples for git commit [some files]. like how should you replace [some files], comma, white space?
– Claudiu Creanga
Mar 26 '15 at 10:06
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Can Mockito capture arguments of a method called multiple times?
...ckito javadoc:
ArgumentCaptor<Person> peopleCaptor = ArgumentCaptor.forClass(Person.class);
verify(mock, times(2)).doSomething(peopleCaptor.capture());
List<Person> capturedPeople = peopleCaptor.getAllValues();
assertEquals("John", capturedPeople.get(0).getName());
assertEquals("Jane",...
click or change event on radio using jquery
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This code worked for me:
$(function(){
$('input:radio').change(function(){
alert('changed');
});
});
http://jsfiddle.net/3q29L/
shar...
How create table only using tag and Css
...id #666666;
border-spacing: 5px; /* cellspacing:poor IE support for this */
}
.div-table-row {
display: table-row;
width: auto;
clear: both;
}
.div-table-col {
float: left; /* fix for buggy browsers */
display: table-column;
width: 200px;
background-color...
How to iterate over associative arrays in Bash
...d using ${array[@]}.
You can iterate over the key/value pairs like this:
for i in "${!array[@]}"
do
echo "key : $i"
echo "value: ${array[$i]}"
done
Note the use of quotes around the variable in the for statement (plus the use of @ instead of *). This is necessary in case any keys include sp...
jQuery load more data on scroll
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I approach this in a similar fashion, accounting for the fact that you always have arbitrary stuff (navigation) at the bottom of your page, and you really want to load before you hit the bottom. So my inner function is: var end = $("#BottomThing").offset().top; var viewEnd...
How to add custom validation to an AngularJS form?
I have a form with input fields and validation setup by adding the required attributes and such. But for some fields I need to do some extra validation. How would I "tap in" to the validation that FormController controls?
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How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
... a PHP file that pulls events from my database and writes them out in ical format.
7 Answers
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