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MySQL Select minimum/maximum among two (or more) given values
... watch out if NULL is likely to be in a field value ...
SELECT LEAST(NULL,NOW());
and
SELECT GREATEST(NULL,NOW());
both return null, which may not be what you want (especially in the case of GREATEST)
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SQL/mysql - Select distinct/UNIQUE but return all columns?
... Krakow
France Paris
France Marseille
Italy Milano
Now the query
SELECT country FROM locations
GROUP BY country
will result in:
--country--
France
Poland
Italy
However, the following query
SELECT country, city FROM locations
GROUP BY country
...throws an error in...
A free tool to check C/C++ source code against a set of coding standards? [closed]
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The only tool I know is Vera. Haven't used it, though, so can't comment how viable it is. Demo looks promising.
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Multiple Inheritance in PHP
...patcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way:
$m = new Message();
$m->type = 'text/html';
$m->from = 'John Doe <jdoe@yahoo.com>';
$m->to = 'Random Hacker <rh@gmail.com>';
$m->subject = 'Invitation e...
python plot normal distribution
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To avoid deprecation warnings, now you should use scipy.stats.norm.pdf(x, mu, sigma) instead of mlab.normpdf(x, mu, sigma)
– Leonardo Gonzalez
Mar 10 '19 at 22:44
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How do I perform the SQL Join equivalent in MongoDB?
...mmend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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Call a global variable inside module
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For those who didn't know already, you would have to put the declare statement outside your class just like this:
declare var Chart: any;
@Component({
selector: 'my-component',
templateUrl: './my-component.component.html',
styleUrls: ['./m...
Github Windows 'Failed to sync this branch'
...have the same issue, however I am using a mapped drive. With this answer I now just commit with GitHub Desktop and git push through Git.
– zanderwar
Jul 30 '15 at 23:46
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Django: Get list of model fields?
...s such as a reverse ForeignKey and those are not exactly "fields". Anyone know how to distinguish the actual Fields?
– viridis
Jun 4 '13 at 13:56
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Convert UTC/GMT time to local time
... convertedDate.Kind; // will equal DateTimeKind.Unspecified
You say you know what kind it is, so tell it.
DateTime convertedDate = DateTime.SpecifyKind(
DateTime.Parse(dateStr),
DateTimeKind.Utc);
var kind = convertedDate.Kind; // will equal DateTimeKind.Utc
Now, once the system knows ...