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What's the difference between ViewData and ViewBag?

...y typed view models (the same way as viewdata should be avoided). So basically it replaces magic strings: ViewData["Foo"] with magic properties: ViewBag.Foo for which you have no compile time safety. I continue to blame Microsoft for ever introducing this concept in MVC. The name of the pro...
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Boost Statechart vs. Meta State Machine

... As there seems to be much interest, please allow me to give my (obviously biased) opinion, which should therefore be taken with a grain of salt: MSM is much faster MSM requires no RTTI or anything virtual MSM has a more complete UML2 support (for example internal tr...
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How do I check if an object has a specific property in JavaScript?

... I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...
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Use cases for the 'setdefault' dict method

...e case: Grouping items (in unsorted data, else use itertools.groupby) # really verbose new = {} for (key, value) in data: if key in new: new[key].append( value ) else: new[key] = [value] # easy with setdefault new = {} for (key, value) in data: group = new.setdefault(k...
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Getter and Setter?

... That's not really setter and getter. Typically I need for each property different implementation of getter! – sumid Feb 16 '13 at 0:59 ...
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Timeout on a function call

I'm calling a function in Python which I know may stall and force me to restart the script. 18 Answers ...
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jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...d/bak/ wget http://mirrors.163.com/.help/CentOS6-Base-163.repo yum clean all yum makecache 如果是REHL需要修改 1.删除redhat原有的yum rpm -aq|grep yum|xargs rpm -e --nodeps 2.下载yum安装文件 wget http://mirrors.163.com/centos/6.7/os/x86_64/Packages/yum-3.2.29-69.el6.ce...
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Why do we always prefer using parameters in SQL statements?

...uld be SELECT empSalary from employee where salary = 0 or 1=1 whereby all empSalaries would be returned. Further, a user could perform far worse commands against your database, including deleting it If they wrote 0; Drop Table employee: SELECT empSalary from employee where salary = 0; Drop Ta...
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How to trim a string in SQL Server before 2017?

... Incidentally, what possible reason could Microsoft have for including an LTRIM and RTRIM function without a TRIM? It's peculiar. – Ben Hoffstein Oct 7 '08 at 18:06 ...
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How to convert vector to array

...making a pointer that points to the actual array the vector is using internally. If you want to copy GMan's answer explains how – Michael Mrozek May 27 '10 at 17:22 4 ...