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How fast is D compared to C++?

...s"); return 0; } I compiled each of these tests using an LLVM-based compiler, since LDC seems to be the best option for D compilation in terms of performance. On my x86_64 Arch Linux installation I used the following packages: clang 3.6.0-3 ldc 1:0.15.1-4 dtools 2.067.0-2 I used the...
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What is the correct way of using C++11's range-based for?

What is the correct way of using C++11's range-based for ? 4 Answers 4 ...
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How does this giant regex work?

...\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28 is acutally: eval(gzinflate(base64_decode( This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine. <?php print gzinflate(base64_decode(...
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What is the most appropriate way to store user settings in Android application

...ngs.Secure.ANDROID_ID).getBytes(UTF8), 20)); return new String(Base64.encode(pbeCipher.doFinal(bytes), Base64.NO_WRAP),UTF8); } catch( Exception e ) { throw new RuntimeException(e); } } protected String decrypt(String value){ try { ...
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detach all packages while working in R

... character.only=TRUE, unload=TRUE, force=TRUE)) One can attempt to unload base packages via $basePkgs and also attempt using unloadNamespace(loadedNamespaces()). However these typically are fraught with errors and could break basic functionality such as causing sessionInfo() to return only errors. ...
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How can I obfuscate (protect) JavaScript? [closed]

...ions, but also a lot of work which may be unnecessary. You could probably base64 encode some string values, and that would be easier.. but someone who really wanted those string values could easily decode them. Encryption is the only way to truly prevent anyone from accessing your data, and most p...
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...使用 wait() 和 notify() 方法,这两个方法都难于使用。如果编码不正确,那么可能丢失通知,导致线程保持空闲状态,尽管队列中有工作要处理。使用这些方法时,必须格外小心;即便是专家也可能在它们上面出错。而最好使用现...
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Header files for x86 SIMD intrinsics

...of the LLVM projects. That said, the current release: clang-800.0.42.1, is based on LLVM 3.9.0. The first LLVM 3.0 based version appears to be Apple clang 2.1 back in Xcode 4.1. LLVM 3.1 first appears with Apple clang 3.1 (a numeric coincidence) in Xcode 4.3.3.Apple also defines __apple_build_versio...
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What does “The APR based Apache Tomcat Native library was not found” mean?

... It means exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path" The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JN...
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NSLog/printf specifier for NSInteger?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...