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Distinct not working with LINQ to Objects
...ey were hit during the foreach loop. This is because the var temp = books.SelectMany(book => book.Authors).Distinct(); returns an IEnumerable, meaning that the request is not executed right away, it is only executed when the data is used. If you would like an example of this firing right away, ...
How can I uninstall an application using PowerShell?
...ause of Get-WmiObject: $app = Get-WmiObject -Class Win32_Product -filter "select * from Win32_Product WHERE name = 'Software Name'"
– Rob Paterson
Sep 22 '08 at 7:44
8
...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...达到他们心目中的自然流畅细节；这种情况之下就更别提发布给终端用户使用了，用户要是能够感觉出来，少则影响心情，多则卸载应用；所以一个应用的UI显示性能问题就不得不被开发人员重视。
2-1 应用UI卡顿原理
人类大脑...
getting type T from IEnumerable
... t.GetGenericTypeDefinition() == typeof(IEnumerable<>))
.Select(t => t.GetGenericArguments()[0]);
}
Some objects implement more than one generic IEnumerable so it is necessary to return an enumeration of them.
Edit: Although, I have to say, it's a terrible idea for a class to...
Can multiple different HTML elements have the same ID if they're different elements?
...into problems being able to work with these elements from JS, pass them as selectors to libraries/APIs/Flash, etc.
– mrooney
May 13 '13 at 20:55
...
What is the list of valid @SuppressWarnings warning names in Java?
...ust go to the location where you have the warning and type Alt-Enter
(or select it in the Inspections list if you are seeing it there).
When the menu comes up, showing the warning and offering to fix it for
you (e.g. if the warning is "Method may be static" then "make static"
is IntellJ's of...
How to remove “Server name” items from history of SQL Server Management Studio
... @JoeBrockhaus Works with 11.0.5058.0. Just open the drop down, move the selection over the name you want deleted, and press the Delete key. If you have multiple entries you can select the entry so the ComboBox closes, check that it is the one you want, then hit the open button on the ComboBox and...
Create SQL script that create database and tables
...ment Studio you can right click on the database you want to replicate, and select "Script Database as" to have the tool create the appropriate SQL file to replicate that database on another server. You can repeat this process for each table you want to create, and then merge the files into a single ...
How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...at:
array(1) {
[0]=>
array(3) {
["query"]=>
string(21) "select * from "users""
["bindings"]=>
array(0) {
}
["time"]=>
string(4) "0.92"
}
}
(Thanks to Joshua's comment below.)
...
Remove secure warnings (_CRT_SECURE_NO_WARNINGS) from projects by default in Visual Studio
...n solution explorer.
Press Alt-F7 or right click in solution explorer and select "Properties"
Configurations:All Configurations
Click on the
Preprocessor Definitions line to invoke its editor
Choose
Edit...
Copy "_CRT_SECURE_NO_WARNINGS" into the Preprocessor Definitions white box on the top....