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SET versus SELECT when assigning variables?
... raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one)
When assigning from a query if there is no value returned then SET wil...
How can I return pivot table output in MySQL?
... this can be found here: http://www.artfulsoftware.com/infotree/qrytip.php?id=78
I advise reading this post and adapt this solution to your needs.
Update
After the link above is currently not available any longer I feel obliged to provide some additional information for all of you searching for m...
google oauth2 redirect_uri with several parameters
...th authorization URL:
https://accounts.google.com/o/oauth2/auth?
client_id=21302922996.apps.googleusercontent.com&
redirect_uri=https://www.example.com/back&
scope=https://www.google.com/m8/feeds/&
response_type=token&
state=asdafwswdwefwsdg,
For server side flow it will...
How can I use an array of function pointers?
...a, int b);
int div(int a, int b);
int (*p[4]) (int x, int y);
int main(void)
{
int result;
int i, j, op;
p[0] = sum; /* address of sum() */
p[1] = subtract; /* address of subtract() */
p[2] = mul; /* address of mul() */
p[3] = div; /* address of div() */
[...]
To call one of those f...
What is the difference between HTTP and REST?
...s, with HTTP, you would misuse a GET or POST query like ...product/?delete_id=22.
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Tips for debugging .htaccess rewrite rules
...erefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot enable a RewriteLogLevel" as many respondents suggest. Also there are many .htaccess -specific pitfalls and constraints are aren't covered well. Setting up a local test...
Logical operator in a handlebars.js {{#if}} conditional
...possible by 'cheating' with a block helper. This probably goes against the Ideology of the people who developed Handlebars.
Handlebars.registerHelper('ifCond', function(v1, v2, options) {
if(v1 === v2) {
return options.fn(this);
}
return options.inverse(this);
});
You can then call the ...
Check if a user has scrolled to the bottom
...e before me. Anyway, to the OP, if you have a container of posts, use it's ID instead of "window", also, you might want to change the last .height() to scrollHeight
– Christian
Oct 9 '10 at 22:40
...
Remove files from Git commit
... the commit that you want the file to conform to.
git checkout <commit_id> <path_to_file>
you can do this multiple times if you want to remove many files.
2.
git commit -am "remove unwanted files"
3.
Find the commit_id of the commit on which the files were added mistakenly, let's...
How does HashSet compare elements for equality?
...want a non-default equality relation (e.g. "all users with a negative user ID are considered equal"). This is almost never implemented on the type itself (i.e. Foo doesn't implement IEqualityComparer<Foo>) but in a separate type which is only used for comparisons.
Implement equality in the typ...