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Deleting rows with MySQL LEFT JOIN
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answered May 4 '10 at 6:26
Daniel VassalloDaniel Vassallo
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How to suppress warnings globally in an R Script
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You could use
options(warn=-1)
But note that turning off warning messages globally might not be a good idea.
To turn warnings back on, use
options(warn=0)
(or whatever your default is for warn, see this answer)
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What is the lifetime of a static variable in a C++ function?
...ects must run in the reverse order of the completion of their construction[1], and the order of construction may depend on the specific program run, the order of construction must be taken into account.
Example
struct emitter {
string str;
emitter(const string& s) : str(s) { cout <<...
What is the advantage to using bloom filters?
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157
From Wikipedia:
Bloom filters have a strong space
advantage over other data structures
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INSERT … ON DUPLICATE KEY (do nothing)
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edited Sep 25 '19 at 4:34
izogfif
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answ...
What are the differences between git remote prune, git prune, git fetch --prune, etc
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edited Jan 25 '19 at 23:36
answered Nov 20 '13 at 21:14
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The input is not a valid Base-64 string as it contains a non-base 64 character
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10 Answers
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What is `mt=8` in iTunes links for the App Store?
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Apple designates a number of different Media Types (mt values):
1 Music
2 Podcasts
3 Audiobooks
4 TV Shows
5 Music Videos
6 Movies
7 iPod Games
8 Mobile Software Applications
9 Ringtones
10 iTunes U
11 E-Books
12 Desktop Apps
So, to answer your question, the "mt=8" ...
How do I get SUM function in MySQL to return '0' if no values are found?
...ee it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY...
Sleep Command in T-SQL?
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Look at the WAITFOR command.
E.g.
-- wait for 1 minute
WAITFOR DELAY '00:01'
-- wait for 1 second
WAITFOR DELAY '00:00:01'
This command allows you a high degree of precision but is only accurate within 10ms - 16ms on a typical machine as it relies on GetTickCount. So,...