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How do I get SUM function in MySQL to return '0' if no values are found?
...ion, 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,
val IN...
Class with single method — best approach?
... of code to the consumer is a low cost for laying the foundation of a much more maintainable solution in the future. And finally, if you want to avoid creating instances, simply create a singleton wrapper of your class that allows for easy reuse - although this does make the requirement that your cl...
How to get a time zone from a location using latitude and longitude coordinates?
...PI
GeoNames Time Zone API
TimeZoneDB API
AskGeo - commercial (but arguably more accurate than GeoNames)
GeoGarage Time Zone API - commercial, focusing on Nautical time zones.
Raw Time Zone Boundary Data
Timezone Boundary Builder - builds time zone shapefiles from OpenStreetMaps map data. Includes ...
Is there a way to suppress JSHint warning for one given line?
...d. In my case I wanted to ignore if (x == null) because I want it to equal more than just null and used /* jshint eqnull:true */ in the same function as the if to silence JSHint.
– Nate
Jul 14 '14 at 17:48
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Cannot install node modules that require compilation on Windows 7 x64/VS2012
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When to encode space to plus (+) or %20?
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is of a type that is invalid for use as a key column in an index
...rchar instead of nvarchar (e.g. if you don't need to store characters from more than one codepage) then that could increase to 900 characters.
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How can I make a JUnit Test wait?
... One caveat, if you want the poll delay to be 10 seconds or more, be sure to increase the timeout to more than 10 seconds since that is the default timeout and awaitility will complain that timeout is less than the poll delay.
– focus
Oct 17 '19 ...
Gulp command not found after install
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Type erasure techniques
...t address my question. I guess the answer is, because shared pointers got more attention in the development of the standard library. Which I think is a little sad because unique pointers are simpler, so it should be easier to implement basic functionalities, and they're more efficient so people sh...