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django admin - add custom form fields that are not part of the model
...you get an AttributeError: Unable to lookup "extra_field"..., try adding a label to the extra_field definition. It seems that django tries to "guess" the label for it, by looking at the Model and the ModelAdmin for such an attribute definition.
– alxs
Apr 12 '1...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件汇总all_programming_language_file_read_write_summary读写文件本来是非常基础的代码，但工作学习中难免会有遗忘，有时又难以翻看自己写过的代码，网上搜索更是五花八门让人头大，鉴于此，清泛网 读写文件本来是非常基础的代码，...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...treme toolkit pro——CXTPReportControl控件教程CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用来显示表格，可以显示表头表尾，可以对各列排序，拖放，等等，，也可以对...CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用...
Async/await vs BackgroundWorker
...
BackgroundWorker is explicitly labeled as obsolete in .NET 4.5:
in the book By Joseph Albahari, Ben Albahari "C# 5.0 in a Nutshell: The Definitive Reference"
Stephen Cleary's answer to my question "Wasn't it .NET 4.0 TPL that made APM, EAP and Backgr...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cache不支持分布式缓存...前些天帮别人优化PHP程序，搞得灰头土脸，最后黔驴技穷开启了FastCGI Cache，算是勉强应付过去了吧。不过FastCGI Cach...
阿里的线下野心 - 资讯 - 清泛网 - 专注C/C++及内核技术
...大市场体量仍然让阿里难以淡定。阿里的线下“野心”已是路人皆知。
品途网CEO刘宛岚表示，线上规模达到一定程度的阿里已开始面临发展瓶颈，甚至看到了天花板，而目前线下巨大的市场规模仍是线上所无法比拟的。即便使...
In a storyboard, how do I make a custom cell for use with multiple controllers?
...et the class to my
UITableViewCell subclass, set the reuse id, added the labels and wired
them to the class's outlets. In Controller #2, added an empty
prototype cell, set it to the same class and reuse id as before. When
it runs, the labels never appear when the cells are shown in
Control...
How to use Boost in Visual Studio 2010
...http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets" />
<PropertyGroup Label="UserMacros">
<BOOST_DIR>D:\boost_1_53_0\</BOOST_DIR>
</PropertyGroup>
<PropertyGroup>
<IncludePath>$(BOOST_DIR);$(IncludePat...
What's the absurd function in Data.Void useful for?
...hild in the hole
newtype K a x = K a -- no children, just a label
newtype I x = I x -- one child
data (f :+: g) x = L (f x) -- choice
| R (g x)
data (f :*: g) x = f x :&: g x -- pairing
instance Differentiable (K a) where
type D (K a...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
... batch file with elevation (thank you for the code snippet!). And yes, the label is is not needed. Thank you for the hints, it's worth a +1 ... :-)
– Matt
Jul 28 '14 at 15:29
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