大约有 48,000 项符合查询结果（耗时：0.0615秒） [XML]
Patterns for handling batch operations in REST web services?
...into batches and then post them to the server periodically.
The object, if I remember correctly, essentially just held an array of "commands" -- e.g., to extend your example, each one a record containing a "markAsRead" command, a "messageId" and maybe a reference to a callback/handler function --...
Is gcc std::unordered_map implementation slow? If so - why?
...m to be pointing to "fixes" to max_load_factor handling, which led to the difference in performance.
– jxh
Jul 24 '12 at 18:21
...
How do .gitignore exclusion rules actually work?
...g to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it to the following.
...
Java - removing first character of a string
...ers of the old string except the first one. There's no way to actually modify a string.
– Chris Dodd
Sep 7 '16 at 23:07
...
What does value & 0xff do in Java?
...on something like this is necessary is that byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value...
Working with time DURATION, not time of day
...ly 1.0 equals 1 full day (starting on 1/1/1900). So 36 hours would be 1.5. If you change the format to [h]:mm, you'll see 36:00.
Therefore, if you want to work with durations, you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A...
Get query string parameters url values with jQuery / Javascript (querystring)
...
If you add a polyfill for unsupported browsers this URLSearchParams solution works well. github.com/ungap/url-search-params
– Louisvdw
May 12 at 16:57
...
How to configure socket connect timeout
...ll, null );
bool success = result.AsyncWaitHandle.WaitOne( 5000, true );
if ( socket.Connected )
{
socket.EndConnect( result );
}
else
{
// NOTE, MUST CLOSE THE SOCKET
socket.Close();
throw new ApplicationException("Failed to connect server.");
}
//...
...
What are the pros and cons of performing calculations in sql vs. in your application
...that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot of data, doing it at the db server will save bandwidth, and disk io if the aggregates can be done inside indexes)
convenience (sql is not the best language for complex work - especially n...
Select rows of a matrix that meet a condition
...
This is easier to do if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a column...