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JavaScript: Check if mouse button down?
...ks more than one button intentionally or accidentally. Don't ask me how I know :-(.
The correct code should be like that:
var mouseDown = 0;
document.body.onmousedown = function() {
++mouseDown;
}
document.body.onmouseup = function() {
--mouseDown;
}
With the test like this:
if(mouseDown){...
How can a web application send push notifications to iOS devices? [closed]
...ort push notifications.
UPDATE:
Mac OS X 10.9 & Safari 7 websites can now also send push notifications, but this still does not apply to iOS.
Read the Notification Programming Guide for Websites. Also check out WWDC 2013 Session 614.
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Update multiple rows in same query using PostgreSQL
...ate table results_dummy (id int, status text, created_at timestamp default now(), updated_at timestamp default now());
-- populate table with dummy rows
insert into results_dummy
(id, status)
select unnest(array[1,2,3,4,5]::int[]) as id, unnest(array['a','b','c','d','e']::text[]) as status;
select ...
How to save the output of a console.log(object) to a file?
...
Update:
You can now just right click
Right click > Save as in the Console panel to save the logged messages to a file.
Original Answer:
You can use this devtools snippet shown below to create a console.save method. It creates a Fil...
Using async-await on .net 4
... http://blogs.msdn.com/b/bclteam/archive/2013/04/17/microsoft-bcl-async-is-now-stable.aspx.
You can read about the previous version here: http://blogs.msdn.com/b/lucian/archive/2012/04/24/async-targeting-pack.aspx.
As this pack is officially supported, I now believe the best option for targeting X...
How often should you use git-gc?
...hurt to run it more frequently than needed, though.
What I'd do is run it now, then a week from now take a measurement of disk utilization, run it again, and measure disk utilization again. If it drops 5% in size, then run it once a week. If it drops more, then run it more frequently. If it drop...
req.body empty on posts
...rlencoded data, not multipart
As @SujeetAgrahari mentioned, body-parser is now inbuilt with express.js.
Use app.use(express.json()); to implement it in recent versions.
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How to profile a bash shell script slow startup?
...2 2> >(tee /tmp/sample-time.$$.log |
sed -u 's/^.*$/now/' |
date -f - +%s.%N >/tmp/sample-time.$$.tim)
set -x
Doing this will run date only once. There is a quick demo/test to show how it work:
for i in {1..4};do echo now;sleep .05;done| date -f - +%N
...
Remove specific commit
... rebase, and there are no straightforward examples, and the docs assume I know more than I do.
11 Answers
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How to do a git diff on moved/renamed file?
I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name).
...