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Can Android do peer-to-peer ad-hoc networking?
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11 Answers
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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...
How do I add multiple arguments to my custom template filter in a django template?
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106
It is possible and fairly simple.
Django only allows one argument to your filter, but there's...
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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NULL vs nil in Objective-C
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edited Mar 24 '13 at 15:23
VisioN
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SQL query to find record with ID not in another table
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216
Try this
SELECT ID, Name
FROM Table1
WHERE ID NOT IN (SELECT ID FROM Table2)
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What is the difference between _tmain() and main() in C++?
...r_t* argv[]);
And then, to make it easier to switch between Unicode (UTF-16) and their multibyte character set, they've defined _tmain which, if Unicode is enabled, is compiled as wmain, and otherwise as main.
As for the second part of your question, the first part of the puzzle is that your main...
Create JSON object dynamically via JavaScript (Without concate strings)
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157
This is what you need!
function onGeneratedRow(columnsResult)
{
var jsonData = {};
co...
How to format a number 0..9 to display with 2 digits (it's NOT a date)
I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...)
5 Answers
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Android Spinner : Avoid onItemSelected calls during initialization
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19 Answers
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