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How do I use Linq to obtain a unique list of properties from a list of objects?

... IEnumerable<int> ids = list.Select(x=>x.ID).Distinct(); share | improve this answer | follow | ...
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Open new Terminal Tab from command line (Mac OS X)

...masReggi: Add -e 'tell application "Terminal" to do script "echo hello" in selected tab of the front window' to the end of the osascript command. – Gordon Davisson Aug 26 '12 at 20:14 ...
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单选框使用指导 · App Inventor 2 中文网

...素列表」;用户点选后触发选择完成时(选择项)(AfterSelecting)。 默认一项都不选(选中项索引为 0),提交前记得判断用户选了没有;在代码里设置选中项不会触发事件。 快速上手:性别选择 拖一个单...
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity

...trings. var errorMessages = ex.EntityValidationErrors .SelectMany(x => x.ValidationErrors) .Select(x => x.ErrorMessage); // Join the list to a single string. var fullErrorMessage = string.Join("; ", errorMessages); // Combine the origin...
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Where in a virtualenv does the custom code go?

...which project is used with which virtualenv? Add tiny shell scripts in the root of each folder with the name of the virtualenv you use it with? – ccpizza Jul 18 '18 at 10:40 ...
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Find and extract a number from a string

...n(string.Empty, Regex.Matches(subjectString, @"\d+").OfType<Match>().Select(m => m.Value)); – Markus Jul 26 '14 at 4:53 ...
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Link to all Visual Studio $ variables

... Note that you may have to change the selection of the version. For instance, I have MSVS2008, and $(Configuration)(in 2013) is $(ConfigurationName) instead. – sancho.s ReinstateMonicaCellio Apr 7 '14 at 19:44 ...
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How do I delete a Discipline in EPF Composer 1.5?

... I understand what you are looking for can be done through Configurations (select OpenUP in your Library view) and published View definitions. See slide 83 and 84 of this PPT document. You should be able to take it from there. An Introduction to the Eclipse Process Framework. In case the link doe...
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GROUP BY to combine/concat a column [duplicate]

... SELECT [User], Activity, STUFF( (SELECT DISTINCT ',' + PageURL FROM TableName WHERE [User] = a.[User] AND Activity = a.Activity FOR XML PATH ('')) , 1, 1, '') AS URL...
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LVN_ITEMCHANGED通知会响应多次的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 0x0008 #define LVIS_FOCUSED 0x0001 #define LVIS_SELECTED 0x0002 // 在CListCtrl派生类中响应LVN_ITEMCHANGED消息 void CNewListCtrl::OnItemchanged(NMHDR* pNMHDR, LRESULT* pResult) { NMLISTVIEW* pNMListView = (NMLISTVIEW*)pNMHDR; // TODO: Add your c...