大约有 43,000 项符合查询结果（耗时：0.0507秒） [XML]
How using try catch for exception handling is best practice
...me examples of the global handlers (ie ThreadException, Application_Error, etc). By all means catch SPECIFIC errors, but it is crazy to wrap ever method in a try/catch/log
– b_levitt
Aug 20 '15 at 21:43
...
When to use self over $this?
...context (are we in an object-context already? Are we outside of an object? etc).
What does 'super' do in Python?
...(). This includes common idioms like mixins, interfaces, abstract classes, etc. This extends to code that later extends yours. If somebody later wanted to write a class that extended Child and a mixin, their code would not work properly.
...
Clang vs GCC - which produces faster binaries? [closed]
...pers, and then when you push the code out into the world, Linux distro/BSD/etc. end-users will use GCC for the faster binaries.
share
|
improve this answer
|
follow
...
Difference between `constexpr` and `const`
...it can be used in places like array lengths, assigning to const variables, etc. The link given by Oli has a lot of excellent examples.
Basically they are 2 different concepts altogether, and can (and should) be used together.
...
How to parse freeform street/postal address out of text, and into components
...h(",")) {
// found end of street address (may include building, etc. - don't care right now)
// add token back to end, but remove trailing comma (it did its job)
tokens.push(lastToken.endsWith(",") ? lastToken.substring(0, lastToken.length - 1) : lastToken);
...
In Java, what is the best way to determine the size of an object?
...AR:
import java.lang.instrument.Instrumentation;
public class ObjectSizeFetcher {
private static Instrumentation instrumentation;
public static void premain(String args, Instrumentation inst) {
instrumentation = inst;
}
public static long getObjectSize(Object o) {
...
What are the best JVM settings for Eclipse? [closed]
... where they can fixup - add trust, configure security policy more loosely, etc. This is called 'safe staging'.
---------- http://www.eclipse.org/home/categories/images/wiki.gif alt text http://www.eclipse.org/home/categories/images/wiki.gif alt text http://www.eclipse.org/home/categories/images/wi...
HTML5 Canvas Resize (Downscale) Image High Quality?
....width = img.width;
imgCV.height = img.height;
var imgCtx = imgCV.getContext('2d');
imgCtx.drawImage(img, 0, 0);
return downScaleCanvas(imgCV, scale);
}
// scales the canvas by (float) scale < 1
// returns a new canvas containing the scaled image.
function downScaleCanvas(cv, sca...
What are deferred objects?
...he result of multiple async requests together, conditionally add handlers, etc.
– ehynds
Feb 1 '11 at 20:05
...