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Why can't I declare static methods in an interface?
...}
The first is impossible for the reasons that Espo mentions: you don't know which implementing class is the correct definition.
Java could allow the latter; and in fact, starting in Java 8, it does!
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android View not attached to window manager
... thread which survives the activity restart and may hold references to the now dead Activity and its Views (this is a effectively a memory leak, albeit probably a short term one - depends how long the task takes to complete). The solution above works fine, if you're happy to accept a short term mem...
.gitignore all the .DS_Store files in every folder and subfolder
...gnore file somewhere, e.g.
echo .DS_Store >> ~/.gitignore_global
Now tell git to use it for all repositories:
git config --global core.excludesfile ~/.gitignore_global
This page helped me answer your question.
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What is the difference between inversedBy and mappedBy?
...e engine can use the reference above it which says its mappedBy Category. Now... don't be confused here like I was... Category is NOT referring TO THE CLASS NAME, its referring to the property on the Task class called 'protected $category'.
Like wise, on the Tasks class the property $category ment...
Convert dmesg timestamp to custom date format
...:
dmesg_with_human_timestamps () {
FORMAT="%a %b %d %H:%M:%S %Y"
now=$(date +%s)
cputime_line=$(grep -m1 "\.clock" /proc/sched_debug)
if [[ $cputime_line =~ [^0-9]*([0-9]*).* ]]; then
cputime=$((BASH_REMATCH[1] / 1000))
fi
dmesg | while IFS= read -r line; do
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
... suggestion with unique() is a great help. That ought to be in the FAQ. I know Matthew Dowle "designed it for his own use, and he wanted it that way." (FAQ 1.9), but I thought X[Y,all=T] could be an elegant way to specify a full outer join within the data.table X[Y] syntax. Or X[Y,all.x=T] for the ...
Difference between ApiController and Controller in ASP.NET MVC
... playing around with ASP.NET MVC 4 beta and I see two types of controllers now: ApiController and Controller .
7 Answer...
How to prevent page scrolling when scrolling a DIV element?
...;& e.preventDefault();
});
Inside the event handler, you'll need to know:
scrolling direction
d = e.originalEvent.deltaY, dir = d < 0 ? 'up' : 'down'
because a positive number means scrolling down
scroll position
scrollTop for top, scrollHeight - scrollTop - offsetHeight for bottom
If y...
How to make a Python script run like a service or daemon in Linux
...ike so:
import os, sys
fpid = os.fork()
if fpid!=0:
# Running as daemon now. PID is fpid
sys.exit(0)
Of course you also need to implement an endless loop, like
while 1:
do_your_check()
sleep(5)
Hope this get's you started.
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Rails - How to use a Helper Inside a Controller
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Note: This was written and accepted back in the Rails 2 days; nowadays grosser's answer is the way to go.
Option 1: Probably the simplest way is to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments...