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What's the 'environment' task in Rake?
... the rake tasks are, and I found an empty task definition that depends on 'app:environment', but I can't find the definition of the app:environment task. github.com/rails/rails/blob/master/railties/lib/rails/tasks/…
– odigity
Jan 27 '15 at 20:18
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...mogileFS，可以图片服务器之上加varnish做图片缓存。
3. App接入
应用层运行在jboss或者tomcat容器中，代表独立的系统，比如前端购物、用户自主服务、后端系统等
协议接口，HTTP、JSON
可以采用servlet3.0,异步化servlet,提高整个...
QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...torage is not available at all.
One solution is to warn the user that the app needs non-private mode to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
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Reasons that the passed Intent would be NULL in onStartCommand
...e care to check for this."
http://developer.android.com/reference/android/app/Service.html
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Determine what attributes were changed in Rails after_save callback?
...ved_change_to_attribute?(:published).
Rails 3–5.1
Warning
This approach works through Rails 5.1 (but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can use _changed? accessor. So fo...
How to Set Variables in a Laravel Blade Template
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You can put it in your application/start.php or if you will have more things like this put it in a separate file and include it there. Laravel is very loose in this way, you could even put thin a controller. The only thing you have to do these exte...
UIRefreshControl without UITableViewController
...nsupported behavior and may change in the future. The only guarantee that Apple makes is that using it according to the provided api (in this case -[UITableViewController setRefreshControl:]) will continue to function.
– Dave DeLong
Sep 21 '12 at 15:01
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Create space at the beginning of a UITextField
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Apple provides the equivalent of the newBounds method with the UIEdgeInsetsInsetRect function. Instead of return self.newBounds(bounds) you could use return UIEdgeInsetsInsetRect(bounds, padding) and remove the newBounds meth...
Ng-model does not update controller value
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Controller as version (recommended)
Here the template
<div ng-app="example" ng-controller="myController as $ctrl">
<input type="text" ng-model="$ctrl.searchText" />
<button ng-click="$ctrl.check()">Check!</button>
{{ $ctrl.searchText }}
</div>
Th...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
...onymous";
This only works if the remote server sets the following header appropriately:
Access-Control-Allow-Origin "*"
The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into ...