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Java Enum definition
...gs) {
City city = new City()
.setName("LA")
.setSquare(100); // won't compile, setName() returns Node
}
So we could reference a sub-class in a generic declaration, so that the City now returns the correct type:
abstract class Node<SELF extends Node<SELF>>{
S...
SQL Server SELECT into existing table
...ty purpose.
----Create testable
CREATE TABLE TestTable (FirstName VARCHAR(100), LastName VARCHAR(100))
----INSERT INTO TestTable using SELECT
INSERT INTO TestTable (FirstName, LastName)
SELECT FirstName, LastName
FROM Person.Contact
WHERE EmailPromotion = 2
----Verify that Data in TestTable
SELECT ...
How to only find files in a given directory, and ignore subdirectories using bash
... I'm working in on.
find /dev -maxdepth 1 -name "*.root" -type 'f' -size +100k -ls
Return nothing with '.' instead I get list of all 'big' files in my directory as well as the rootfiles/ directory where I store old ones.
Continuing. This works.
find ./ -maxdepth 1 -name "*.root" -type 'f' -size...
What is the recommended batch size for SqlBulkCopy?
...h above and below this.
I got the recommendation to test values between 100 and 1000 for batch size from this MSDN forum post, and was skeptical. But when I tested for batch sizes between 100 and 10,000, I found that 500 was the optimal value for my application. The 500 value for SqlBulkCopy.Ba...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...
Tested with 1000000 iterations. This kind of localization had no effect in performance. Not even a single millisecond in 1000000 iterations. This is simply useless.
...
When should an IllegalArgumentException be thrown?
...ns; there's no point in catching them, so that's perfectly fine.
It's not 100% clear from your example which case this example is in your code, though.
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What is a practical use for a closure in JavaScript?
...n can be called over time. As in "execute this function at most once every 100 milliseconds."
Code :
const throttle = (func, limit) => {
let isThrottling
return function() {
const args = arguments
const context = this
if (!isThrottling) {
func.apply(context, args)
i...
Get the first item from an iterable that matches a condition
... the next built-in and so I assume that for some mysterious reason they're 100% focused on versions 2.5 and older -- without mentioning the Python-version issue (but then I don't see that mention in the answers that do mention the next built-in, which is why I thought it necessary to provide an answ...
The SQL OVER() clause - when and why is it useful?
..., i.e. like this:
SELECT
orig.[Partition],
orig.Value,
orig.Value * 100.0 / agg.TotalValue AS ValuePercent
FROM OriginalRowset orig
INNER JOIN (
SELECT
[Partition],
SUM(Value) AS TotalValue
FROM OriginalRowset
GROUP BY [Partition]
) agg ON orig.[Partition] = agg.[P...
What is the difference between require() and library()?
...
100
In addition to the good advice already given, I would add this:
It is probably best to avoid ...