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Get average color of image via Javascript
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Aprillion
14.3k44 gold badges3838 silver badges8080 bronze badges
answered Mar 29 '10 at 22:30
JamesJames
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How can jQuery deferred be used?
...trieved using an
// XHR request.
});
Basically, if the value has already been requested once before it's returned immediately from the cache. Otherwise, an AJAX request fetches the data and adds it to the cache. The $.when/.then doesn't care about any of this; all you need to be concerned ab...
How to define a two-dimensional array?
...lized array. You have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
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SublimeText encloses lines in white rectangles
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Christopher Rapcewicz
1,86255 gold badges2828 silver badges3939 bronze badges
answered Apr 27 '12 at 17:03
Rob CowieRob Cowie
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jQuery UI DatePicker to show month year only
...tml xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js">&l...
How can I drop all the tables in a PostgreSQL database?
...de assumes that the name of your schema is public)
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
If you are using PostgreSQL 9.3 or greater, you may also need to restore the default grants.
GRANT ALL ON SCHEMA public TO postgres;
GRANT ALL ON SCHEMA public TO public;
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What is the use of hashCode in Java?
...cket number for storing elements of the set/map. This bucket number is the address of the element inside the set/map.
When you do contains() it will take the hash code of the element, then look for the bucket where hash code points to. If more than 1 element is found in the same bucket (multiple ob...
What does status=canceled for a resource mean in Chrome Developer Tools?
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We fought a similar problem where Chrome was canceling requests to load things within frames or iframes, but only intermittently and it seemed dependent on the computer and/or the speed of the internet connection.
This information is a few months out of date, but I built Chromium from scratch...
Programmatically change log level in Log4j2
...l Loggers to refetch information from their LoggerConfig.
Here is the javadoc for LoggerConfig.
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INSERT INTO vs SELECT INTO
... when you insert into an existing table with a known structure.
EDIT
To address your edit, they do different things. If you are making a table and want to define the structure use CREATE TABLE and INSERT. Example of an issue that can be created: You have a small table with a varchar field. The...