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Ruby Metaprogramming: dynamic instance variable names
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The method you are looking for is instance_variable_set. So:
hash.each { |name, value| instance_variable_set(name, value) }
Or, more briefly,
hash.each &method(:instance_variable_set)
If your instance variable names are missing the "@" (as th...
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 = $("#BottomThing").offset().top; var viewEnd...
VIM + JSLint?
...makeprg=cat\ %\ \\\|\ /my/path/to/js\ /my/path/to/mylintrun.js\ %
set errorformat=%f:%l:%c:%m
where you have to change /my/path/to/js to the path to SpiderMonkey and /my/path/to/mylintrun.js to the path where you put the JS files.
Now, you can use :make in VIM and use the quickfix window (:he qui...
How do I commit only some files?
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I would be helpful to provide examples for git commit [some files]. like how should you replace [some files], comma, white space?
– Claudiu Creanga
Mar 26 '15 at 10:06
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Can Mockito capture arguments of a method called multiple times?
...ckito javadoc:
ArgumentCaptor<Person> peopleCaptor = ArgumentCaptor.forClass(Person.class);
verify(mock, times(2)).doSomething(peopleCaptor.capture());
List<Person> capturedPeople = peopleCaptor.getAllValues();
assertEquals("John", capturedPeople.get(0).getName());
assertEquals("Jane",...
Laravel Schema onDelete set null
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$table->...->onDelete('set null');
First make sure you set the foreign key field as nullable:
$table->integer('foreign_id')->unsigned()->nullable();
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Parsing JSON with Unix tools
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There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this ...
Can an input field have two labels?
Mary had a little form, and its fields where labeled just so.
Whenever an error crept in, confusion it would sow.
3 Answers...
Clear form field after select for jQuery UI Autocomplete
I'm developing a form, and using jQuery UI Autocomplete. When the user selects an option, I want the selection to pop into a span appended to the parent <p> tag. Then I want the field to clear rather than be populated with the selection.
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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...