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Apache Spark: The number of cores vs. the number of executors
... and
yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a core fo...
How do you unit test a Celery task?
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answered Aug 22 '12 at 20:33
FlaPer87FlaPer87
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Are static class variables possible in Python?
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edited Jul 16 '19 at 6:06
Arne
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answered Sep 1...
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
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How to change column datatype in SQL database without losing data
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You can easily do this using the following command. Any value of 0 will be turned into a 0 (BIT = false), anything else will be turned into 1 (BIT = true).
ALTER TABLE dbo.YourTable
ALTER COLUMN YourColumnName BIT
The other option would be to create a new column of type BIT, fill it ...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...en the SQL query they inject results in valid SQL.
Edited again as per dan04's astute comment
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Catch browser's “zoom” event in JavaScript
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you’ve got the zoom level. See test
case.
http://web.archive.org/web/20080723161031/http://novemberborn.net/javascript/page-zoom-ff3
You could also do it using the tools of the above post. The problem is you're more or less making educated guesses on whether or not the page has zoomed. This wi...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...ouchmove', function(e) {
e.preventDefault();
var touch = e.touches[0];
alert(touch.pageX + " - " + touch.pageY);
}, false);
This works in most WebKit based browsers (incl. Android).
Here is some good documentation.
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is_null($x) vs $x === null in PHP [duplicate]
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There is absolutely no difference in functionality between is_null and === null.
The only diff...
What is the proper way to re-attach detached objects in Hibernate?
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answered Dec 14 '10 at 10:50
mikhailfrancomikhailfranco
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