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Get class name of django model
...ct_name)
# Book
print(Book._meta.model_name)
# book
print(Book._meta.app_label)
# my_app
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How to delete duplicate lines in a file without sorting it in Unix?
... line from input stream or file and print it once.
use :loop command set a label named loop.
use N to read next line into the pattern space.
use s/^(.*)\n\1$/\1/ to delete current line if the next line is same with current line, we use s command to do the delete action.
if the s command is executed ...
Activity restart on rotation Android
...ty"
android:configChanges="orientation|keyboardHidden"
android:label="@string/app_name">
or for Android 3.2 (API level 13) and newer:
<activity android:name=".MyActivity"
android:configChanges="keyboardHidden|orientation|screenSize"
android:label="@string/app_name"&g...
Multiple submit buttons on HTML form – designate one button as default [duplicate]
... tabindex="-1"></button>
<div class="form-group">
<label for="test-input">Focus into this input: </label>
<input type="text" id="test-input" class="form-control" name="test-input" placeholder="Focus in here and press enter / go" />
</div>
1st butt...
Calculating distance between two points, using latitude longitude?
...s a and c? Are these the sides of a right-angled triangle with traditional labels a, b and c?
– AlainD
Jan 31 '17 at 15:30
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Create a menu Bar in WPF?
...Left" Width="140"/>
</MenuItem>
</Menu>
<Label Content="Label"/>
</StackPanel>
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...堵死了换个思路
第二种方法
由于我们的客户端都是LINUX 主机。所以打算利用linux 强大的route 功能
在主机A 上执行命令
route add -host 172.16.110.80 gw 172.16.100.253
route add -host 172.16.110.80 gw 172.16.100.254
在主机B 上执行...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...e view was loaded into memory. So for example, if my view is a form with 3 labels, I would add the labels here; the view will never exist without those forms.
2) ViewWillAppear: I use ViewWillAppear usually just to update the data on the form. So, for the example above, I would use this to actually...
这个富有的袖珍小国 7万美元出租整个国家 - 创意 - 清泛网 - 专注C/C++及内核技术
...和瑞士之间，2011年4月决定将出租整个国家，每晚的租金是7万美元(约42.5万人民币)。临时拥有者会在议会...
在欧洲中部有一个小国家，位于奥地利和瑞士之间，2011年4月决定将出租整个国家，每晚的租金是7万美元(约42.5万人民...
VS Addin插件配置、部署 - C/C++ - 清泛网 - 专注C/C++及内核技术
...上。
打开”我的文档“->VS目录->Addins文件夹（Addin目录是VS创建插件时自动创建的，且里面有插件的测试接口文件，普通用户一般是没有这个文件夹的），如图：
打开接口文件，里面配置的路径是工程bin目录下dll的绝对路...