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For homebrew mysql installs, where's my.cnf?
....cnf by default. As such, MySQL starts with all of the default settings. If you want to create your own my.cnf to override any defaults, place it at /etc/my.cnf.
Also, you can run mysql --help and look through it for the conf locations listed.
Default options are read from the following files in...
MySQL error 1449: The user specified as a definer does not exist
...change all the definers for all databases.
2. Create the missing user
If you've found following error while using MySQL database:
The user specified as a definer ('someuser'@'%') does not exist`
Then you can solve
it by using following :
GRANT ALL ON *.* TO 'someuser'@'%' IDENTIFIED...
How do I combine two data frames?
...g to concatenate two columns of the same name o_O
– lifelonglearner
Apr 1 at 2:13
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scopes with lambda and arguments in Rails 4 style?
I'm wondering how the following is done in Rails 4 or if I just use the Rails 3 approach for using a lambda that can pass an argument the same way with 4 as I do with 3.
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Using an integer as a key in an associative array in JavaScript
...bject instead. I just wanted to use facebook id as the key, and JSON.stringify would crash my machine ;)
– Krystian
Dec 4 '13 at 15:50
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How to merge two sorted arrays into a sorted array? [closed]
... O(n) algorithm but in literally single statement in a single while loop!
If two arrays are of approximately same size then constant for O(n) is same. However if arrays are really imbalanced then versions with System.arraycopy would win because internally it can do this with single x86 assembly ins...
LINQ Ring: Any() vs Contains() for Huge Collections
Given a huge collection of objects, is there a performance difference between the the following?
4 Answers
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How do I remove the first characters of a specific column in a table?
In SQL, how can I remove the first 4 characters of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
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catch exception that is thrown in different thread
... @oxilumin: Thanks and much appreciated. One more followup question. If your Test() method takes a few arguments too, then how will you modify SafeExecute method for those arguments?
– Silverlight Student
May 13 '11 at 14:34
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How to send only one UDP packet with netcat?
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If you are using bash, you might as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >...