大约有 32,000 项符合查询结果（耗时：0.0573秒） [XML]
Computed read-only property vs function in Swift
...
There is a difference:
If you use a property you can then eventually override it and make it read/write in a subclass.
share
|
improve this answer
|
fol...
How to use ELMAH to manually log errors
...ption)
{
// uh oh! just keep going
}
}
}
Then just call it whenever you need to log an error.
try {
...
}
catch (Exception ex)
{
// log this and continue
ErrorLog.LogError(ex, "Error sending email for order " + orderID);
}
This has the following bene...
How to check whether a given string is valid JSON in Java
...ifactId>
<version>2.7.0</version>
</dependency>
Then, you can implement the correct answer as follows:
import com.fasterxml.jackson.databind.ObjectMapper;
public final class JSONUtils {
private JSONUtils(){}
public static boolean isJSONValid(String jsonInString ) {
...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...e linking that was compiled with the wrong /M option. If you have no clue then you could find it by grepping the .obj/.lib files for "/MT"
Btw: the Windows executables (like version.dll) have their own CRT version to get their job done. It is located in c:\windows\system32, you cannot reliably us...
Expert R users, what's in your .Rprofile? [closed]
...
Instead of creating r and then rm-ing it, you could put that inside a local({ }) block. Good answer though, I love the X11 config!
– Aaron McDaid
Aug 27 '15 at 10:51
...
Tools for making latex tables in R [closed]
...can write a brew template file which would be LaTeX with placeholders, and then "brew" it up to create a .tex file to \include or \input into your LaTeX. Something like:
\begin{tabular}{l l}
A & <%= fit$A %> \\
B & <%= fit$B %> \\
\end{tabular}
The brew syntax can also handle ...
Git Server Like GitHub? [closed]
...st set up an ssh server and run a central repository there. All developers then simply agree (as a matter of policy) to push to the server when they are done making commits. This is the usage pattern at my workplace. Very CVS and SVN-like.
Find somewhere to put the repository (/var/gitroot for exa...
Opacity of div's background without affecting contained element in IE 8?
...t"></div>
<div id="content"></div>
</div>
then you have to set transparent position: absolute/relative so its content sibling will be rendered over it.
rgba can do background transparency of coloured backgrounds
rgba colour setting on element's background-color wil...
Detect when an image fails to load in Javascript
...l;
});
return imgPromise;
}
testImage("http://foo.com/bar.jpg").then(
function fulfilled(img) {
console.log('That image is found and loaded', img);
},
function rejected() {
console.log('That image was not found');
}
);
...
What is the difference between background and background-color
...rst sets all the individual background properties to their initial values, then assigns explicit values given in the declaration. Example given: P { background: url("chess.png") gray 50% repeat fixed }
– ruffin
Oct 26 '16 at 21:16
...