大约有 47,000 项符合查询结果（耗时：0.0438秒） [XML]
How does the @property decorator work in Python?
...ke to understand how the built-in function property works. What confuses me is that property can also be used as a decorator, but it only takes arguments when used as a built-in function and not when used as a decorator.
...
What is the difference between 'protected' and 'protected internal'?
Can someone please elaborate me the difference between 'protected' and 'protected internal' modifiers in C#?
It looks they behave in same manner.
...
How to save an HTML5 Canvas as an image on a server?
...
Here is an example of how to achieve what you need:
Draw something (taken from canvas tutorial)
<canvas id="myCanvas" width="578" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
// ...
How to redirect 404 errors to a page in ExpressJS?
...
I found this example quite helpful:
https://github.com/visionmedia/express/blob/master/examples/error-pages/index.js
So it is actually this part:
// "app.router" positions our routes
// above the middleware defined below,
// this means that Express will attempt
// to match & call...
Checking from shell script if a directory contains files
...bin/bash
shopt -s nullglob dotglob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
share
|
improve this answer
|
follow
...
How do I “commit” changes in a git submodule? [duplicate]
...anges:
$ cd path/to/submodule
$ git add <stuff>
$ git commit -m "comment"
$ git push
Then, update your main project to track the updated version of the submodule:
$ cd /main/project
$ git add path/to/submodule
$ git commit -m "updated my submodule"
$ git push
...
How do I add comments to package.json for npm install?
I've got a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work?
...
Laravel migration: unique key is too long, even if specified
...ou have to do is edit your AppServiceProvider.php file and inside the boot method set a default string length:
use Illuminate\Database\Schema\Builder;
public function boot()
{
Builder::defaultStringLength(191);
}
sha...
rsync error: failed to set times on “/foo/bar”: Operation not permitted
...
If /foo/bar is on NFS (or possibly some FUSE filesystem), that might be the problem.
Either way, adding -O / --omit-dir-times to your command line will avoid it trying to set modification times on directories.
...
Semicolon before self-invoking function? [duplicate]
...ew popular jQuery plugins and I'm curious to find if this is the next awesome thing in JavaScript that I don't know.
4 Answ...