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jQuery counting elements by class - what is the best way to implement this?
What I'm trying to do is to count all of the elements in the current page with the same class and then I'm going to use it to be added onto a name for an input form. Basically I'm allowing users to click on a <span> and then by doing so add another one for more of the same type of items. But...
One-liner to take some properties from object in ES 6
...ke it much more compact than your answer (or torazburo's), but essentially what you're trying to do is emulate Underscore's pick operation. It would be easy enough to re-implement that in ES6:
function pick(o, ...fields) {
return fields.reduce((a, x) => {
if(o.hasOwnProperty(x)) a[x...
Approximate cost to access various caches and main memory?
...s Guide for the i7 and Xeon range of processors. I should stress, this has what you need and more (for example, check page 22 for some timings & cycles for example).
Additionally, this page has some details on clock cycles etc. The second link served the following numbers:
Core i7 Xeon 5500 ...
Are lists thread-safe?
...they themselves don't go corrupt, but their data may. collections.deque is what's behind Queue.Queue objects. If you're accessing things from two threads, you really should use Queue.Queue objects. Really.
– Thomas Wouters
Jun 12 '11 at 0:09
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Finishing current activity from a fragment
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getActivity() can be null in some cases. What should we do then?
– Matjaz Kristl
Nov 20 '12 at 9:37
3
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Override and reset CSS style: auto or none don't work
...hing.
The second set of properties will simply hide the table, as that's what display: none is for.
Try resetting it to table instead:
table.other {
width: auto;
min-width: 0;
display: table;
}
Edit: min-width defaults to 0, not auto
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How to subtract 30 days from the current datetime in mysql?
...stion mentions "subtract 30 days from the current datetime", it may be not what the OP wants.
– ypercubeᵀᴹ
Apr 12 '15 at 8:36
2
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scp with port number specified
...voted) comments:
With regard to Abdull's comment about scp option order, what he suggests:
scp -P80 -r some_directory -P 80 ...
..., intersperses options and parameters. getopt(1) clearly defines that parameters must come after options and not be interspersed with them:
The parameters getop...
MySQL: Insert record if not exists in table
...y Piskvor and others is a far better way to do it, but you can actually do what you were attempting:
CREATE TABLE `table_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varchar(255) NOT NULL,
`tele` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) EN...
Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
...
@Dejel Collection is just the base class for what values() returns. The implementation of the Collection it returns is still controlled by the LinkedHashMap. In LinkedHashMap's case, it's returning a LinkedValues instance, a private class inside LinkedHashMap.java.
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