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IntelliJ does not show project folders
...new project, IDEA is constantly "this file isn't part of the project...". Now it all makes sense.
– Jared Kipe
Oct 10 '15 at 18:38
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How to get time difference in minutes in PHP
... older versions of PHP. Use the DateTime class to do any date calculations now that PHP 5.3 is the norm.
Eg.
$start_date = new DateTime('2007-09-01 04:10:58');
$since_start = $start_date->diff(new DateTime('2012-09-11 10:25:00'));
echo $since_start->days.' days total<br>';
echo $since_s...
Push local Git repo to new remote including all branches and tags
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In the case like me that you aquired a repo and are now switching the remote origin to a different repo, a new empty one...
So you have your repo and all the branches inside, but you still need to checkout those branches for the git push --all command to actually push those ...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...ou're on 9.5 and don't need to be backward-compatible you can stop reading now.
9.4 and older:
PostgreSQL doesn't have any built-in UPSERT (or MERGE) facility, and doing it efficiently in the face of concurrent use is very difficult.
This article discusses the problem in useful detail.
In general y...
How to dynamically create CSS class in JavaScript and apply?
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Pretty sure this results in a unknown runtime error in IE 8 and less.
– Andy Hume
Oct 31 '11 at 10:52
1
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ggplot: How to increase spacing between faceted plots?
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Due to another update, the incantation is now theme(panel.margin = unit(2, "lines"))
– David J. Harris
Nov 8 '16 at 16:49
14
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...y installed Java 6 and I am not able to locate JavaPreferences.app bcz mac now does not provide support for Java. Can tell me now how can I set my jvm without using JavaPreferences.
– amod
Feb 11 '13 at 6:41
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
..._id) REFERENCES
country (id) ON DELETE NO
ACTION ON UPDATE NO ACTION
Now simply issue an:
alter table region drop foreign key
region_ibfk_1;
And finally an:
alter table region drop column
country_id;
And you are good to go!
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Best way to store a key=>value array in JavaScript?
...e you asked about how to loop through a key value array you would want to know how to get an object (key=>value array) like the person object above to have, let's say, more than one person.
Well, now that we know javascript arrays are used typically for numeric indexing and objects more flexibly...
Javascript swap array elements
...r belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is destructuring assignment.
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