大约有 30,000 项符合查询结果（耗时：0.0572秒） [XML]
Remove duplicates from an array of objects in JavaScript
...ything down calculating it on every iteration. Assign it to a variable outside the loop and pass the variable instead of the things.thing.length.
– 0v3rth3d4wn
Aug 26 '14 at 12:56
...
Int to Char in C#
...to 0xffff, and throws an OverflowException if it is not. The extra method call, value/boundary checks, and OverflowException may be useful, but if not, the performance will be better if you just use "(char)value".
– Triynko
Apr 14 '11 at 17:52
...
What's wrong with using $_REQUEST[]?
...bly vulnerable to Delayed Cross Site Request
Forgery problems. (This basically means if e.g. a cookie named (age)
exists it will always overwrite the GET/POST content and therefore
unwanted requests will be performed)
and in a later reply to the same thread
It is not about the fact that ...
Fastest way to count exact number of rows in a very large table?
...w_count)
FROM
sys.dm_db_partition_stats st
WHERE
object_name(object_id) = 'MyBigtable' AND (index_id < 2)
2 runs, both under 1 second, count = 1,401,659,670
The second one has less rows = wrong. Would be the same or more depending on writes (deletes are done out of hours here)
...
Vim: How do you open another [No Name] buffer like the one on startup?
... user can save to a file of her/his choosing, just like the initial buffer called [No Name] . How can I do this?
3 Answers...
Practical example where Tuple can be used in .Net 4.0?
...
in fact, that's exactly what happens when you call any TryParse method from F#.
– Joel Mueller
Apr 30 '10 at 17:56
add a comment
...
C# List to string with delimiter
...
You can use String.Join. If you have a List<string> then you can call ToArray first:
List<string> names = new List<string>() { "John", "Anna", "Monica" };
var result = String.Join(", ", names.ToArray());
In .NET 4 you don't need the ToArray anymore, since there is an overlo...
Controlling a USB power supply (on/off) with Linux
...y the host or some external event. That happens (or should happen) automatically. The port itself is actually never truly turned off. Really, do read the docs ;)
– tlwhitec
Sep 24 '13 at 10:01
...
How to select/get drop down option in Selenium 2
...lement salesExecutiveDropDown = new SelectElement(webDriver.FindElement(By.Id("salesExecutiveId")));
– Jeremy McGee
Jul 22 '13 at 14:21
...
Recommended way of getting data from the server
... angular.extend(this, data);
}
// a static method to retrieve Book by ID
Book.get = function(id) {
return $http.get('/Book/' + id).then(function(response) {
return new Book(response.data);
});
};
// an instance method to create a new Book
Book.prototype.create = function(...