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Using python's eval() vs. ast.literal_eval()?

...thon literal structures: strings, numbers, tuples, lists, dicts, booleans, and None. Passing __import__('os').system('rm -rf /a-path-you-really-care-about') into ast.literal_eval() will raise an error, but eval() will happily wipe your drive. Since it looks like you're only letting the user input...
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Extension methods cannot be dynamically dispatched

...methods, which is not supported. Cast the dynamic types to actual types, and it will work. From what I see now, I'd say: (string) ViewBag.MagNo Which would result in @foreach (var item in Model) { @Html.DropDownListFor(modelItem => item.TitleIds, new SelectList(ViewBag.TitleNam...
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How do I set a column value to NULL in SQL Server Management Studio?

How do I clear the value from a cell and make it NULL? 6 Answers 6 ...
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Call ASP.NET function from JavaScript?

I'm writing a web page in ASP.NET. I have some JavaScript code, and I have a submit button with a click event. 20 Answers ...
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Pure virtual destructor in C++

... { public: virtual ~A() = 0; }; inline A::~A() { } should suffice. And since this got a down vote, I should clarify: If you derive anything from A and then try to delete or destroy it, A's destructor will eventually be called. Since it is pure and doesn't have an implementation, undefined be...
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开源跳板机(堡垒机)Jumpserver v2.0.0 使用说明 - 开源 & Github - 清泛网 ...

...硬件设备说明视频: 用户管理: http://v.youku.com/v_show/id_XOTM5Mzc3NDE2.html 授权管理: http://v.youku.com/v_show/id_XOTM5Mzg1MTY0.html 部署篇: http://laoguang.blog.51cto.com/6013350/1636273 更新log截图篇: http://laoguang.blog.51cto.com/6013350/1635853 本...
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Building executable jar with maven?

...6: someone fixed it, this answer refers to the version preceding the edit) and this explains, at least partially, why you run into troubles. It generates two jar files in logmanager/target: logmanager-0.1.0.jar, and logmanager-0.1.0-jar-with-dependencies.jar. The first one is the JAR of the logma...
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How to describe “object” arguments in jsdoc?

...bject member which is option ? I mean my user object should have username, and can have full name. so how do I specify that full name is optional – Yash Kumar Verma Apr 13 at 9:25 ...
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What exactly is a Maven Snapshot and why do we need it?

I am a bit confused about the meaning of a Maven Snapshot and why we build one? 13 Answers ...
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JS - get image width and height from the base64 code

...ve a base64 img encoded that you can find here . How can I get the height and the width of it? 4 Answers ...