大约有 43,000 项符合查询结果（耗时：0.0608秒） [XML]
How to update only one field using Entity Framework?
...lude to use db.Entry(user).Property(x => x.Password).IsModified = true; and not db.Entry(user).Property("Password").IsModified = true;
– Johan
Aug 14 '13 at 19:43
5
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Cancellation token in Task constructor: why?
...nyway.
If the body of the task is also monitoring the cancellation token and throws an OperationCanceledException containing that token
(which is what ThrowIfCancellationRequested does), then when the task
sees that OperationCanceledException, it checks whether the OperationCanceledException's...
NewLine in object summary
...E, the above "solution" actually displays a lone BLANK LINE between line 1 and line 2 (that is, a newline after line 1 followed by a blank line then line 2)--this is not the same a new line, as the OP requested. Is that a bug in the VS 2017 IDE--or does everyone who up-voted not see that this answer...
Sort objects in an array alphabetically on one property of the array
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Found an issue with this code. Use a combination of lower and capital letters. ex. credit_card_no and City. The code does sort the list but words starting with 'c' are not grouped together.
– Kedar
Aug 21 '19 at 21:55
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Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// ...
Can the C# interactive window interact with my code?
In Visual Studio 2015 or later, I can open the 'C# interactive window', and run code:
5 Answers
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Changing one character in a string
...code capable applications in C. But you have to care about it all the time and need to test it explicitly to avoid trouble. Everything is machine-oriented. I worked with PHP before learning Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part o...
Is there a way to select sibling nodes?
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Well... sure... just access the parent and then the children.
node.parentNode.childNodes[]
or... using jQuery:
$('#innerId').siblings()
Edit: Cletus as always is inspiring. I dug further. This is how jQuery gets siblings essentially:
function getChildren(...
Better way to get type of a Javascript variable?
...011/08/08/fixing-the-javascript-typeof-operator/
He goes through the pros and cons of the various methods then defines a new method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
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