大约有 30,000 项符合查询结果(耗时:0.0401秒) [XML]

https://stackoverflow.com/ques... 

Is it better to call ToList() or ToArray() in LINQ queries?

...her sub-query to retrieve the count for that group. I'm assuming that this means in these cases the size of the collection will be known before the items are retrieved and thus an exact sized array could be created directly which would save on processing and memory resources while materializing the ...
https://stackoverflow.com/ques... 

How to get the system uptime in Windows? [closed]

...important information regarding why the computer was rebooted and when it did so. We need to look at Event ID 6005, which is an event that tells us that the computer has just finished booting, but you should be aware of the fact that there are virtually hundreds if not thousands of other event types...
https://stackoverflow.com/ques... 

Easiest way to pass an AngularJS scope variable from directive to controller?

...was not evaluated by angular yet when it was passed to the directive. This means that you can access it and use it in the template, but not inside the link or app controller function unless we wait for it to be evaluated. If your variable is changing, or is fetched through a request, you should use ...
https://stackoverflow.com/ques... 

Why does isNaN(“ ”) (string with spaces) equal false?

... But parseInt("123abcd") returns 123, which means isNaN(parseInt("123abcd")) will return false while it should return true! – Pawan Nogariya Dec 27 '12 at 6:23 ...
https://stackoverflow.com/ques... 

How can I deserialize JSON to a simple Dictionary in ASP.NET?

... I did discover .NET has a built in way to cast the JSON string into a Dictionary<String, Object> via the System.Web.Script.Serialization.JavaScriptSerializer type in the 3.5 System.Web.Extensions assembly. Use the method D...
https://stackoverflow.com/ques... 

The tilde operator in C

...ul for a number of things, for example, bit masks. I am not sure what you mean by unsigned to signed integer conversion. – GWW Oct 20 '15 at 18:15 2 ...
https://stackoverflow.com/ques... 

How can I view the shared preferences file using Android Studio?

... phone. I found many ways to do this on Eclipse, but I'm debugging on Android Studio. My phone is rooted. I read that having root access is important to read these types of files. If there is no way, then I will look up how to access the info through my program then output it to log cat. Hopefully, ...
https://stackoverflow.com/ques... 

Selecting only first-level elements in jquery

...ave the initial ul, you can use the children() method, which will only consider the immediate children of the element. As @activa points out, one way to easily select the root element is to give it a class or an id. The following assumes you have a root ul with id root. $('ul#root').children('li'...
https://stackoverflow.com/ques... 

What is the difference between encrypting and signing in asymmetric encryption?

... @Quassnoi In fact when we say 'sign with the private key', it means not 'encrypt' but instead means 'decrypt'. Sign the message roughly speaking is the same as decrypt with the private key and in the receiver encrypt with public key, this way the hash will became the same and could be c...
https://stackoverflow.com/ques... 

Protected in Interfaces

... Because an interface is supposed to mean "what you can see from outside the class". It would not make sense to add non-public methods. share | improve this ans...