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What are the differences between poll and select?
...is library function both have this limit. But I
see that BSD/OS 2.1 has now been coded to avoid this limit, so it's
doable, just a small matter of programming. :-) Someone should file a
Solaris bug report on this, and see if it ever gets fixed.
With poll(), however, the user must alloc...
jQuery 'input' event
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Do you know if jQuery makes up the missing browser support? (IE8, IE9 inconsistencies, etc)
– jcsanyi
Jun 29 '13 at 20:12
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How can I tell if a DOM element is visible in the current viewport?
...eed to support version of Internet Explorer before 7.
Original solution (now outdated):
This will check if the element is entirely visible in the current viewport:
function elementInViewport(el) {
var top = el.offsetTop;
var left = el.offsetLeft;
var width = el.offsetWidth;
var height = ...
Add timestamps to an existing table
...add_column :users, :updated_at, :datetime, null: false, default: Time.zone.now. Time.zone.now is just an example, you should use whatever value makes sense for your logic.
– Delong Gao
Jul 30 '19 at 23:46
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How can I see the SQL generated by Sequelize.js?
...lease note that find* was refactored and uses only one options object from now on.. For the latest sequelize version (4) if you want to have the result for only one command:
User.findAll({where: {...}, logging: console.log})
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Why shouldn't Java enum literals be able to have generic type parameters?
Java enums are great. So are generics. Of course we all know the limitations of the latter because of type erasure. But there is one thing I don't understand, Why can't I create an enum like this:
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How to resolve git stash conflict without commit?
As asked in this question , I also want to know how to resolve a conflicting git stash pop without adding all modifications to a commit (just like "git stash pop" without a conflict does).
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Can't update Macports (with Mac OS X Mavericks)
...s installed previously. Just launch XCODE and let it finish configuration. Now rerun port command and it should work properly.
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Evenly space multiple views within a container view
..., so until your app needs support for IOS8 @Mete response is the best for now.
– ZiggyST
Feb 24 '16 at 17:06
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From inside of a Docker container, how do I connect to the localhost of the machine?
...ker host has the IP address 172.17.42.1 on the docker0 network interface.
Now start a new container and get a shell on it: docker run --rm -it ubuntu:trusty bash and within the container type ip addr show eth0 to discover how its main network interface is set up:
root@e77f6a1b3740:/# ip addr show ...