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How do I declare a namespace in JavaScript?
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this gives me an error in IE7. var your_namespace = (typeof your_namespace == "undefined" || !your_namespace ) ? {} : your_namespace ; works better.
– mjallday
Nov 5 '10 at 7:28
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Get average color of image via Javascript
...xt.getImageData(0, 0, width, height);
} catch(e) {
/* security error, img on diff domain */
return defaultRGB;
}
length = data.data.length;
while ( (i += blockSize * 4) < length ) {
++count;
rgb.r += data.data[i];
rgb.g += data.data[i+1];
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How to define a two-dimensional array?
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You can now add items to the list:
Matrix[0][0] = 1
Matrix[6][0] = 3 # error! range...
Matrix[0][6] = 3 # valid
Note that the matrix is "y" address major, in other words, the "y index" comes before the "x index".
print Matrix[0][0] # prints 1
x, y = 0, 6
print Matrix[x][y] # prints 3; be ca...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...mpting to even include binaryajax.js in my project causes an access denied error.
– Obi Wan
Oct 18 '13 at 20:53
Where ...
How to properly handle a gzipped page when using curl?
... is used and the server sends an unsupported encoding, curl will report an error.
gzip is most likely supported, but you can check this by running curl -V and looking for libz somewhere in the "Features" line:
$ curl -V
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Protocols: ...
Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz
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How can I drop all the tables in a PostgreSQL database?
...web2py), using the former caused problems:
<class 'psycopg2.ProgrammingError'> no schema has been selected to create in
So to my mind the fully correct answer is:
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
GRANT ALL ON SCHEMA public TO postgres;
GRANT ALL ON SCHEMA public TO public...
Export specific rows from a PostgreSQL table as INSERT SQL script
...user_name". I also almost succeed with ToraSQL tool, it's just that it has error in date-time data in the script result. If none can give GUI tool solution in 2 days, your answer will be accepted
– null
Oct 10 '12 at 9:54
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Programmatically change log level in Log4j2
... This didn't affect my logger at all. I used setLevel(logger, Level.ERROR); and logger.debug statements still printed. My log4j2.xml file is at pastebin.com/fcbV2mTW
– Noumenon
Aug 19 '15 at 1:09
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INSERT INTO vs SELECT INTO
...mall table to make a new one, the later INSERT will fail with a truncation error because your fields are too small.
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Simplest way to check if key exists in object using CoffeeScript
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I like this response because key of obj will throw an error if the value is a string or number. Cannot use 'in' operator to search. In this case if the object is not undefined and not null it will work.
– jqualls
Jun 25 '14 at 20:14
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