大约有 30,000 项符合查询结果(耗时:0.0379秒) [XML]
Save image from URL by paperclip
...
Here is a simple way:
require "open-uri"
class User < ActiveRecord::Base
has_attached_file :picture
def picture_from_url(url)
self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
...
Pushing an existing Git repository to SVN
...git svn init protocol:///path/to/repo/PROJECT -s
4. git svn fetch
5. git rebase origin/trunk
5.1. git status
5.2. git add (conflicted-files)
5.3. git rebase --continue
5.4. (repeat 5.1.)
6. git svn dcommit
After #3 you'll get a cryptic message like this:
Using higher level of URL: protocol...
Disabling browser print options (headers, footers, margins) from page?
...
<ol>
<li>
<a href="data:,No Javascript :-(" target="_blank">Middle-click to open in new tab</a>
</li>
<li>
<a href="javascript:print()">Print</a>
</li>
</ol><!-- Hack to work around stack snippet restrictions --><...
Shorter syntax for casting from a List to a List?
... }
}
public class Elephant : Animal
{
public Elephant(string name) : base(name){}
}
public class Zebra : Animal
{
public Zebra(string name) : base(name) { }
}
When working with a collection of mixed types:
var mixedAnimals = new Animal[]
{
new Zebra("Zed"),
new Elephant("Ellie...
Django URL Redirect
...
You can try the Class Based View called RedirectView
from django.views.generic.base import RedirectView
urlpatterns = patterns('',
url(r'^$', 'macmonster.views.home'),
#url(r'^macmon_home$', 'macmonster.views.home'),
url(r'^macmon_ou...
How do I overload the square-bracket operator in C#?
... what you're doing, you might find it more appropriate to do: get { return base[i]; } set { base[i] = value; }
– MikeBaz - MSFT
Oct 4 '12 at 21:58
7
...
Avoid Android Lint complains about not-translated string
... this gives 'non translatable resources should only be defined in the base values /folder.
– anon58192932
Mar 5 '13 at 21:25
2
...
Parsing a CSV file using NodeJS
...
Seems like you need to use some stream based solution, there existed already such libraries so before reinventing yourself, try this library, which also includes validation support. https://www.npmjs.org/package/fast-csv
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
...
I use this simple function for JQuery based project
var pointerEventToXY = function(e){
var out = {x:0, y:0};
if(e.type == 'touchstart' || e.type == 'touchmove' || e.type == 'touchend' || e.type == 'touchcancel'){
var touch = e.or...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...ing
written by Blaine Cook at Twitter
Starling is a Message Queue Server based on MemCached
written in Ruby
stores jobs in memory (message queue)
documentation: some good tutorials, for example the railscast about starling and workling or this blog post about starling
Kestrel
written by Robey ...
