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Run automatically program on startup under linux ubuntu [closed]
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sudo mv /filename /etc/init.d/
sudo chmod +x /etc/init.d/filename
sudo update-rc.d filename defaults
Script should now start on boot. Note that this method also works with both hard links and symbolic links (ln).
Edit
At this point in the bo...
Grunt watch error - Waiting…Fatal error: watch ENOSPC
...the below command.
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
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What's the difference between utf8_general_ci and utf8_unicode_ci?
...; not everybody sorts their characters in what we would call 'alphabetical order'.
As far as Latin (ie "European") languages go, there is not much difference between the Unicode sorting and the simplified utf8mb4_general_ci sorting in MySQL, but there are still a few differences:
For examples, the ...
In which order do CSS stylesheets override?
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Then there's no specific rule as to in what order stylesheets load? I understand how CSS displays in terms of specificity, but then I'll assume my master sheet will load unless overridden.
– ian5v
Feb 27 '12 at 1:49
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Get last element of Stream/List in a one-liner
...reduce((first, second) -> second);
This implementations works for all ordered streams (including streams created from Lists). For unordered streams it is for obvious reasons unspecified which element will be returned.
The implementation works for both sequential and parallel streams. That migh...
SQL Server: SELECT only the rows with MAX(DATE)
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If rownumber() over(...) is available for you ....
select OrderNO,
PartCode,
Quantity
from (select OrderNO,
PartCode,
Quantity,
row_number() over(partition by OrderNO order by DateEntered desc) as rn
from YourTable) as T
whe...
Difference between Lookup() and Dictionary(Of list())
...ogically can hold data organized in a similar way and both are of the same order of efficiency. The main difference is a Lookup is immutable: it has no Add() methods and no public constructor (and as Jon mentioned you can query a non-existent key without an exception and have the key as part of the...
What does SQL clause “GROUP BY 1” mean?
...the first column regardless of what it's called. You can do the same with ORDER BY.
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Getting an object from an NSSet
... to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
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How can I convert a dictionary into a list of tuples?
...or k, v in d.iteritems()]
[(1, 'a'), (3, 'c'), (2, 'b')]
It's not in the order you want, but dicts don't have any specific order anyway.1 Sort it or organize it as necessary.
See: items(), iteritems()
In Python 3.x, you would not use iteritems (which no longer exists), but instead use items, w...