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Checking if an instance's class implements an interface?
...Given an instance of an object
Object construction outside the loop (100,000 iterations)
____________________________________________
| class_implements | Reflection | instanceOf |
|------------------|------------|------------|
| 140 ms | 290 ms | 35 ms |
'---------------------...
how to make a whole row in a table clickable as a link?
...lt;td>Blah Blah</td> <td>1234567</td> <td>£158,000</td>
</tr>
</tbody>
jQuery(document).ready(function($) {
$(".clickable-row").click(function() {
window.location = $(this).data("href");
});
});
Of course you don't have to use href...
Are Javascript arrays sparse?
... you actually get a dense array if you say something like foo = new Array(10000). However, this is supposed to work: foo = Array.apply(null, {length: 10});.
– doubleOrt
Oct 2 '17 at 11:04
...
What scalability problems have you encountered using a NoSQL data store? [closed]
...
My current project actually.
Storing 18,000 objects in a normalised structure: 90,000 rows across 8 different tables. Took 1 minute to retrieve and map them to our Java object model, that's with everything correctly indexed etc.
Storing them as key/value pairs usi...
mongodb/mongoose findMany - find all documents with IDs listed in array
...d({
'_id': { $in: [
mongoose.Types.ObjectId('4ed3ede8844f0f351100000c'),
mongoose.Types.ObjectId('4ed3f117a844e0471100000d'),
mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
]}
}, function(err, docs){
console.log(docs);
});
This method will work well even ...
Trees in Twitter Bootstrap [closed]
...yLighter;
border: 1px solid @gray;
color: #000;
}
}
/*Remove connectors after last child*/
&:last-child::before {
height: 30px;
}
}
/*Remove connectors before root*/
> ul > li::before, > ...
java get file size efficiently
...);
}
}
return (System.nanoTime() - before) / 1000;
}
}
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How do I change the formatting of numbers on an axis with ggplot?
...This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable.
...
What does “xmlns” in XML mean?
...omecity>
<name>London</name>
<lat>123.000</lat>
<long>0.00</long>
</homecity>
</person>
If our two XMLs were combined into a single document, how would we tell the two names apart? As you can see above, there are two na...
Extracting the last n characters from a string in R
...ge of basically being substr() underneath but has a default end value of 1,000,000.
Examples:
> RIGHT('Hello World!',2)
[1] "d!"
> RIGHT('Hello World!',8)
[1] "o World!"
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