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Difference between outline and border
...re's no outline-top: etc. It's all or nothing. (see this SO post)
3) offset
outline supports offset with the property outline-offset. border doesn't.
.outline {
margin: 100px;
width: 150px;
height: 150px;
outline-offset: 20px;
outline: 2px solid red;
border: 2px solid gree...
Using Rails serialize to save hash to database
...add_column :users, :location_data, :hstore
end
end
With hstore you can set attributes on the serialized field
class User < ActiveRecord::Base
# setup hstore
store_accessor :location_data, :city, :state
end
sha...
Use basic authentication with jQuery and Ajax
...with the authentication information:
beforeSend: function (xhr) {
xhr.setRequestHeader ("Authorization", "Basic " + btoa(username + ":" + password));
},
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...m-wide module, sitecustomize.py, After this module has been evaluated, the setdefaultencoding() function is removed from the sys module.
The only way to actually use it is with a reload hack that brings the attribute back.
Also, the use of sys.setdefaultencoding() has always been discouraged, an...
How to access the local Django webserver from outside world
...
I had to add this line to settings.py in order to make it work (otherwise it showed an error when accessed from another computer)
ALLOWED_HOSTS = ['*']
then ran the server with:
python manage.py runserver 0.0.0.0:9595
Also ensure that the firewa...
How do you turn off version control in android studio?
I set up my Github with android studio, everything worked fine, the problem now is though, that I can't seem to turn off, or get out of version control to use the IDE normally again.
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Instance attribute attribute_name defined outside __init__
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@MericOzcan either setting a bunch of attributes to None and then setting them later in a parse_args function OR returning a short tuple from parse_args is OK. ideally, parse_args should be testable without needing a wizard instance.
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...中可以看到有四个组件：mongos、config server、shard、replica set。
mongos，数据库集群请求的入口，所有的请求都通过mongos进行协调，不需要在应用程序添加一个路由选择器，mongos自己就是一个请求分发中心，它负责把对应的数据请...
Android Camera Preview Stretched
...ght = resolveSize(getSuggestedMinimumHeight(), heightMeasureSpec);
setMeasuredDimension(width, height);
if (mSupportedPreviewSizes != null) {
mPreviewSize = getOptimalPreviewSize(mSupportedPreviewSizes, width, height);
}
}
And then (in my code in surfaceChan...
What does get-task-allow do in Xcode?
So when I set up my entitlements in my iPhone app project, I create a new Entitlements.plist, and set the value of get-task-allow to false. But why? What does this key represent?
...