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How to affect other elements when one element is hovered
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Don't forget the general sibling combinator ~ for 'cube is somewhere after container in the DOM and shares a parent'
– robertc
Dec 21 '10 at 18:50
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Rails: Adding an index after adding column
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You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Migration
def change
add_index :table, :user_id
end
end
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How to replace a hash key with another key
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rails Hash has standard method for it:
hash.transform_keys{ |key| key.to_s.upcase }
http://api.rubyonrails.org/classes/Hash.html#method-i-transform_keys
UPD: ruby 2.5 method
sh...
How to change href of tag on button click through javascript
...event && event.preventDefault && event.preventDefault(); before return false
– 袁文涛
Aug 3 at 9:05
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Fastest way to count exact number of rows in a very large table?
... columns)
SELECT COUNT(*) FROM MyBigtable WITH (NOLOCK)
-- NOLOCK here is for me only to let me test for this answer: no more, no less
1 runs, 5:46 minutes, count = 1,401,659,700
--Note, sp_spaceused uses this DMV
SELECT
Total_Rows= SUM(st.row_count)
FROM
sys.dm_db_partition_stats st
WHERE...
Stop all active ajax requests in jQuery
I have a problem, when submitting a form all active ajax request fail, and that triggers error event.
16 Answers
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How to move an element into another element?
I would like to move one DIV element inside another. For example, I want to move this (including all children):
15 Answers
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How to highlight text using javascript
... the file and click "highlight" - this should highlight the word "fox". Performance wise I think this would do for small text and a single repetition (like you specified)
function highlight(text) {
var inputText = document.getElementById("inputText");
var innerHTML = inputText.innerHTML;
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Scroll to a div using jquery
...the div at the bottom of the page you have contacts. I removed the final s for the code sample. (you also misspelled the projectslink id in the sidebar).
Second, take a look at some of the examples for click on the jQuery reference page. You have to use click like, object.click( function() { // Yo...
HTML5 best practices; section/header/aside/article elements
There is enough information about HTML5 on the web (and also on stackoverflow), but now I'm curious about the "best practices". Tags like section/headers/article are new, and everyone has different opinions about when/where you should use these tags. So what do you guys think of the following layout...