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Difference between $(document.body) and $('body')
...valent.
I'd venture to guess there are other edge cases (such as globally id'ed elements in IE) that would also trigger what amounts to an overwritten body element on the document object, and the same situation would apply.
...
Always pass weak reference of self into block in ARC?
... This isn't a problem, for example:
[myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop){
[self doSomethingWithObject:obj];
}];
The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated a...
What is the exact difference between currentTarget property and target property in javascript
...
window.onload = function() {
var resultElem = document.getElementById('result')
document.getElementById('1').addEventListener(
'click',
function(event) {
resultElem.innerHTML += ('<div>target: ' + event.target.id + '</div>')
resultElem.innerHTML += ('&l...
jQuery get values of checked checkboxes into array
..._button").click(function(event){
event.preventDefault();
var searchIDs = $("#find-table input:checkbox:checked").map(function(){
return $(this).val();
}).get(); // <----
console.log(searchIDs);
});
Per the documentation:
As the return value is a jQuery object, which co...
git: How to diff changed files versus previous versions after a pull?
... the diffs for them.
I'm not sure what you're asking for with "the commit ID of my latest version of the file" - the commit "ID" (SHA1 hash) is that 40-character hex right at the top of every entry in the output of git log. It's the hash for the entire commit, not for a given file. You don't really...
How to convert array to SimpleXML
...e array_flip won't work as it can't flip arrays (like the another_array inside the main array).
– Lode
Jun 6 '11 at 9:56
...
Can I define a class name on paragraph using Markdown?
...arkdown?
Natively? No. But...
No, Markdown's syntax can't. You can set ID values with Markdown Extra through.
You can use regular HTML if you like, and add the attribute markdown="1" to continue markdown-conversion within the HTML element. This requires Markdown Extra though.
<p class='spec...
How to find a table having a specific column in postgresql
...t c.relname
from pg_class as c
inner join pg_attribute as a on a.attrelid = c.oid
where a.attname = <column name> and c.relkind = 'r'
sql fiddle demo
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creating a random number using MYSQL
...
RAND(), UUID(), NOW() are indeterministic functions. The calling of such functions should be avoid from being written into the bin log for replication. For example. INSERT INTO t SET ID=UUID(); will cause the value of the ID fields to ...
Get the current user, within an ApiController action, without passing the userID as a parameter
...within an secure ApiController action, without passing the userName or userId as a parameter?
8 Answers
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