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问题 Here is the code //fail_.cpp template< unsigned char X, class L> class A { public: typedef void (A::*fptr)(); class B { public: B(typename A< X, L> ::fptr ); }; }; template < unsigned char X, typename L > A<X,L>::B::B ( fptr ) { } g++ -c fail_.cpp gives fail_.cpp:11: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See < file:///usr/share/doc/gcc-4.3/README.Bugs > for instructions. Looks like a bug to me in g++4.3.5, g++4.4

问题 I'm getting this error after updating one of my firebase SDKs FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':app:checkDebugDuplicateClasses'. > 1 exception was raised by workers: java.lang.RuntimeException: Duplicate class com.google.protobuf.AbstractMessageLite found in modules jetified-protobuf-javalite-3.11.0.jar (com.google.protobuf:protobuf-javalite:3.11.0) and jetified-protobuf-lite-3.0.1.jar (com.google.protobuf:protobuf-lite:3.0.1) Duplicate

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 3 months ago . Improve this question I am trying to install NodeJS on the new Apple Silicon MacBook Pro, but I wasn't able to find a installer for ARM Macs. The standard installation will run in Intel emulation mode, but I saw they already have an ARM Linux version which I assume is not suitable for

问题 Yes, I know this has been discussed many times before, and I read all the posts and comments regarding this question, but still can't seem to understand something. One of the options that MSDN offers to solve this violation, is by returning a collection (or an interface which is implemented by a collection ) when accessing the property, however clearly it does not solve the problem because most collections are not immutable and can also be changed. Another possibility I've seen in the answers

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 days ago . Improve this question Recreating java.lang.String is not hard. See attached code. I'm really writing this to show how easy it is. If anybody wants to figure out how to get the native isBigEndian() and add it in the solutions, that'd be great. Other String methods would be great too. Just put this

问题 I have looked into YAML official documentation and I have also gone through some tutorials. I am working with Symfony and I like adding configurations with YAML. But I can't find any explanation for this tilde character ~ in YAML. For example, see the code below: firewalls: # ... main: anonymous: ~ http_basic: ~ Sometimes, I removed this ~ character and I did not see any effect on logic. So what is the purpose of this tide character in YAML? 回答1: The tilde is one of the ways the null value

问题 I would like to have a quick keyboard shortcut to turn on/off this feature. The feature is useful, but sometimes I want to look only at code and this feature distorts the code visual appearance. I have bound EditorContextMenus.CodeLens.CodeLensOptions to a keyboard shortcut, but this is too slow because the Options menu takes too long to open. I would really like to have shortcut that toggles this feature on and off. How can I do this? Did I miss some option in Environment->Keyboard or is

问题 Yes, I know this has been discussed many times before, and I read all the posts and comments regarding this question, but still can't seem to understand something. One of the options that MSDN offers to solve this violation, is by returning a collection (or an interface which is implemented by a collection ) when accessing the property, however clearly it does not solve the problem because most collections are not immutable and can also be changed. Another possibility I've seen in the answers

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 days ago . Improve this question Recreating java.lang.String is not hard. See attached code. I'm really writing this to show how easy it is. If anybody wants to figure out how to get the native isBigEndian() and add it in the solutions, that'd be great. Other String methods would be great too. Just put this

问题 This question already has answers here : Finding the variable name passed to a function (17 answers) Closed last month . Considering this code: string variable = "hello"; myMethod(variable) //usage 1 myMethod("hello") //usage 2 Can I detect the difference between the these method usage above? 回答1: Requiring debug info generated (anything but none, in debug as well as in release build mode), having the source code and to deploy it, and using Finding the variable name passed to a function