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Javascript Array.sort implementation?
...end + 1; i < high_start; i++) {
var element = a[i];
var order = comparefn(element, pivot);
if (order < 0) {
a[i] = a[low_end];
a[low_end] = element;
low_end++;
} else if (order > 0) {
do {
high_start--;
...
SQL - many-to-many table primary key
... a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is a waste of space.
You won't need indexes on the individual columns since the table should only ever be used to join the two referenced tables together.
That comment you refer to ...
SQL Server: Query fast, but slow from procedure
...understanding, it's a great write up. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCustomersWithoutPS(@CustID varchar(20))
AS
BEGIN
DECLARE @LocCustID...
How to highlight cell if value duplicate in same column for google spreadsheet?
...context, we don't know it's address OR content, and we need the content in order to compare with). The third parameter takes care for the formatting, and 4 returns the formatting INDIRECT() likes.
INDIRECT(), will take a cell reference and return its content. In this case, the current cell's conten...
DISTINCT for only one column
...ProductModel,
ROW_NUMBER() OVER(PARTITION BY Email ORDER BY ID DESC) rn
FROM Products
) a
WHERE rn = 1
EDIT:
Example using a where clause:
SELECT *
FROM (
SELECT ID,
Email,
...
What is SaaS, PaaS and IaaS? With examples
...rage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platforms which typically includes operating system, programming languag...
Effects of the extern keyword on C functions
...tion. It is ugly, and unnecessary 99.99% of the time (I could be off by an order or two or magnitude, overstating how often it is necessary). It usually occurs when people misunderstand that a header is only needed when other source files will use the information; the header is (ab)used to store de...
How to add multiple font files for the same font?
...
The order is important, the bold/italic style must come last.
– The Who
Jun 11 '10 at 12:40
8
...
Change priorityQueue to max priorityqueue
...ue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) {
System.out.println(val);
}
The Collections.reverseOrder() provides a Comparator that would sort...
REST Complex/Composite/Nested Resources [closed]
... be like tweaking your object model (your conceptual or business model) in order to fit a technology. Not a great idea.
You should weigh these two choices against simply allowing coverless comics.
Which of the three choices should you take? Not knowing too much about your situation, but answer ...