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How do I turn off PHP Notices?
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edited May 23 '17 at 12:26
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answered May 19 '10 at 15:43
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Setting the correct encoding when piping stdout in Python
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Detect if an element is visible with jQuery [duplicate]
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754
You're looking for:
.is(':visible')
Although you should probably change your selector to use ...
How to truncate a foreign key constrained table?
...ve references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
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Summarizing multiple columns with dplyr? [duplicate]
...bl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purrrlyr)
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...blem on a Ubuntu ec2 instance. I was following this amazon article on page 7:
http://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errn...
Java: Path vs File
For new applications written in Java 7, is there any reason to use a java.io.File object any more or can we consider it deprecated?
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Difference between Dictionary and Hashtable [duplicate]
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7 Answers
7
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htaccess Access-Control-Allow-Origin
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275
Try this in the .htaccess of the external root folder :
<IfModule mod_headers.c>
Hea...