大约有 31,500 项符合查询结果(耗时:0.0417秒) [XML]

https://stackoverflow.com/ques... 

Eloquent Collection: Counting and Detect Empty

...port\Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true. To determine if there are any results you can do any of the following: if ($result->first()) { } if (!$result->isEmpty())...
https://stackoverflow.com/ques... 

Should logger be private static or not

Should logger be declared static or not? Usually I've seen two types of declaration for a logger : 4 Answers ...
https://stackoverflow.com/ques... 

Can my enums have friendly names? [duplicate]

... Enum value names must follow the same naming rules as all identifiers in C#, therefore only first name is correct. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Repeat Character N Times

... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*") – Dexygen J...
https://stackoverflow.com/ques... 

Android soft keyboard covers EditText field

Is there a way to make the screen scroll to allow the text field to be seen? 14 Answers ...
https://stackoverflow.com/ques... 

Android: Coloring part of a string using TextView.setText()?

... I really do't like the solution android offers here, as it does not work with multi language as I have no idea how many chars in my words are. I'm currently looking for a solution where I can have multiple spans that I can attach...
https://stackoverflow.com/ques... 

“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20

... I had this issue in VS2012, however the solution and all projects were set to Debug with no optimization. I clean solution/rebuild fixed it for me. – saarp Feb 13 '13 at 19:52 ...
https://stackoverflow.com/ques... 

Spring Data JPA - “No Property Found for Type” Exception

...e: When Spring Data creates a new Repository implementation, it analyzes all the methods defined by the interfaces and tries to automatically generate queries from the method name. While this has limitations, it is a very powerful and elegant way of defining new custom access methods with very lit...
https://stackoverflow.com/ques... 

app-release-unsigned.apk is not signed

... Should we set Debuggable to false when actually generating the release APK for prod? or will studio do that on its own? – Ishaan Garg Sep 16 '16 at 15:17 ...
https://stackoverflow.com/ques... 

Xcode doesn't show the line that causes a crash

Every time my app crashes Xcode highlights the UIApicationMain() call in the main() function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...