大约有 42,000 项符合查询结果（耗时：0.0499秒） [XML]
Creating an index on a table variable
... IX3 NONCLUSTERED(C1,C2) /*Example composite index*/
);
Filtered indexes and indexes with included columns can not currently be declared with this syntax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it m...
How many threads is too many?
I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
...
C# vs C - Big performance difference
...re root values into an accumulator, print it out at the end of the method, and see what's going on.
Edit : see Jalf's answer below
share
|
improve this answer
|
follow
...
OAuth secrets in mobile apps
...cret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that matter)?
...
How to gracefully handle the SIGKILL signal in Java
How do you handle clean up when the program receives a kill signal?
5 Answers
5
...
std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
...
source of historical stock data [closed]
...
Let me add my 2¢, it's my job to get good and clean data for a hedge-fund, I've seen quite a lot of data feeds and historical data providers. This is mainly about US stock data.
To start with, if you have some money don't bother with downloading data from Yahoo, get...
Mercurial move changes to a new branch
...evisions 1-2 on a named branch, let's say my-feature. Update to revision 0 and create that branch:
$ hg up 0
$ hg branch my-feature
$ hg ci -m "start new branch my-feature"
The history now looks like this:
@ changeset: 3:b5939750b911
| branch: my-feature
| tag: tip
| parent: ...
What are the minimum margins most printers can handle?
...ng real estate is a must but at the same time ensuring users printers can handle the tight margins is a must.
5 Answers
...
How can I export tables to Excel from a webpage [closed]
...s to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
...