大约有 37,000 项符合查询结果（耗时：0.0257秒） [XML]
Finding the max value of an attribute in an array of objects
...
To find the maximum y value of the objects in array:
Math.max.apply(Math, array.map(function(o) { return o.y; }))
share
|
improve this answer
|
follow
...
How to see query history in SQL Server Management Studio
...
[Since this question will likely be closed as a duplicate.]
If SQL Server hasn't been restarted (and the plan hasn't been evicted, etc.), you may be able to find the query in the plan cache.
SELECT t.[text]
FROM sys.dm_exec_cached_plans AS p
CROSS APPLY sys.dm_exec_sql_tex...
Calculate distance between two latitude-longitude points? (Haversine formula)
How do I calculate the distance between two points specified by latitude and longitude?
41 Answers
...
Detecting a mobile browser
...tmobilebrowsers.com):
Here's a function that uses an insanely long and comprehensive regex which returns a true or false value depending on whether or not the user is browsing with a mobile.
window.mobileCheck = function() {
let check = false;
(function(a){if(/(android|bb\d+|meego).+mobile|ava...
How to return multiple lines JSX in another return statement in React?
...tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It should now be clear that the second snippet doesn't really ...
How can one close HTML tags in Vim quickly?
...e in Vim , but recently I came across this again. Say I'm writing some simple HTML :
11 Answers
...
Check if inputs are empty using jQuery
...in. If a field is clicked into and then not filled out, I would like to display a red background.
18 Answers
...
Understanding the Rails Authenticity Token
...
What happens
When the user views a form to create, update, or destroy a resource, the Rails app creates a random authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the user submi...
Why does this method print 4?
I was wondering what happens when you try to catch an StackOverflowError and came up with the following method:
7 Answers
...
Merging objects (associative arrays)
...hat’s the best/standard way of merging two associative arrays in JavaScript? Does everyone just do it by rolling their own for loop?
...