大约有 40,000 项符合查询结果(耗时:0.0478秒) [XML]
Throwing the fattest people off of an overloaded airplane.
...y heap!
var myHeap = new MinHeap<Passenger>(/* need comparer here to order by weight */);
foreach (var pass in passengers)
{
if (totalWeight < targetTotal)
{
// unconditionally add this passenger
myHeap.Add(pass);
totalWeight += pass.Weight;
}
else if...
Is it possible to for SQL Output clause to return a column not being inserted?
... (ReportOptionID, Field1, Field2)
SELECT Field1, Field2 FROM @Practice ORDER BY PracticeID ASC;
WITH CTE AS ( SELECT PracticeID, ROW_NUMBER() OVER ( ORDER BY PracticeID ASC ) AS ROW FROM @Practice )
UPDATE M SET M.PracticeID = S.PracticeID
FROM @PracticeReportOption AS M
JOIN CTE AS S...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...uff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first and what second exactly was, especially if they are both of th...
How to find issues that at some point has been assigned to you?
...
and what about ordering by last time I worked on it ?
– sashok_bg
May 2 '16 at 13:01
1
...
Create SQL script that create database and tables
...
Not sure why SSMS doesn’t take into account execution order but it just doesn’t. This is not an issue for small databases but what if your database has 200 objects? In that case order of execution does matter because it’s not really easy to go through all of these.
For unor...
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...
@mm24 Fourthly, massive performance improvements. F# is orders of magnitude faster than Mathematica and their proof-of-concept code in F# is 5x faster than their production C++ code. This means that tests execute in seconds rather than hours, at which point testing becomes an inte...
How to detect the currently pressed key?
...es.None;
short retVal = GetKeyState((int)key);
//If the high-order bit is 1, the key is down
//otherwise, it is up.
if ((retVal & 0x8000) == 0x8000)
state |= KeyStates.Down;
//If the low-order bit is 1, the key is toggled.
if ((retVal & 1) == 1)...
What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...t can get corrupted and you have to manually edit it to get things back in order, although this is not too hard.
Both package managers will ask to be regularly updated. This can take some time.
Note: you can have both package managers on your system! It is not one or the other. Brew might complain...
How to map calculated properties with JPA and Hibernate
...plex queries on other tables:
@Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)")
private Date firstOrderDate;
Where id is the id of the current entity.
The following blog post is worth the read: Hibernate Derived Properties - Performance and Portability.
Without mo...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
...ion (the first k numbers are automatically added to the queue). We can use order statistics (see link) to calculate this probability. For example, lets assume the numbers were randomly selected uniformly from {0, 1}, the expected value of (i-K)th number (out of i numbers) is (i-k)/i, and chance of a...
