大约有 47,000 项符合查询结果（耗时：0.0516秒） [XML]
There is already an open DataReader associated with this Command which must be closed first
...
I have had this error so many times now... and every time I forget! The answer to the question is always to use ToList().
– Cheesus Toast
Jul 21 '15 at 19:24
...
Installing Bower on Ubuntu
...odejs
When this has installed, check the version:
npm --version
1.4.3
Now install Bower:
sudo npm install -g bower
This will fetch and install Bower globally.
share
|
improve this answer
...
Decreasing height of bootstrap 3.0 navbar
...
Ah, I see this post was edited (a lot!) and now indeed shows the right code. I also see the min-height setting I suggested in my post here that for some reason got a down-vote. It's very frustrating to get downvoted on an answer that is correct, on-topic and clear...
...
using gitlab token to clone without authentication
...
I know this is old but this is how you do it:
git clone https://oauth2:ACCESS_TOKEN@somegitlab.com/vendor/package.git
share
|
...
How to determine if a list of polygon points are in clockwise order?
...t a handful of large values could outweigh a large number of small values. Now consider arcsin of each value vs not. Isn't it still the case that failing to take arcsin gives incorrect weight to each value, therefore has same flaw (though much less so)?
– ToolmakerSteve
...
Why use deflate instead of gzip for text files served by Apache?
...ithm for compression, but a different algorithm for headers and checksum.
Now, the underlying TCP packets are already pretty reliable, so the issue here is not Adler 32 vs CRC-32 that GZIP uses.
Turns out many browsers over the years implemented an incorrect deflate algorithm. Instead of expecti...
Using StringWriter for XML Serialization
...Test ???</string>
As you can see, there is no error this time, but now there is data-loss ????.
share
|
improve this answer
|
follow
|
...
CSS file not opening in Visual Studio 2010 SP1?
...suddenly stopped opening CSS. This was a quick fix and everything is good now.
– hacker
Sep 20 '11 at 19:00
7
...
Convert generic List/Enumerable to DataTable?
... }
table.Rows.Add(values);
}
return table;
}
Now with one line you can make this many many times faster than reflection (by enabling HyperDescriptor for the object-type T).
Edit re performance query; here's a test rig with results:
Vanilla 27179
Hyper 6997
I suspect...
Should unit tests be written for getter and setters?
...re also surprisingly easy to mess up. A few lines of simple tests and you know they are working and continue to work.
– Charles
Oct 13 '16 at 19:17
...