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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 {
...
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. ...
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...
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...
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...
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...
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.
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RSA Public Key format
...ils of your RSA PUBLIC KEY structure using grep -v -- ----- | tr -d '\n' | base64 -d | openssl asn1parse -inform DER:
0:d=0 hl=4 l= 266 cons: SEQUENCE
4:d=1 hl=4 l= 257 prim: INTEGER :FB1199FF0733F6E805A4FD3B36CA68E94D7B974621162169C71538A539372E27F3F51DF3B08B2E111C2D6...
Is there any way to specify a suggested filename when using data: URI?
...he download attribute:
<a download="logo.gif" href="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">Download transparent png</a>
Javascript only: you can save any data URI with this code:
function saveAs(uri, filename) {
var link = do...
Download data url file
I'm playing with the idea of making a completely JavaScript-based zip/unzip utility that anyone can access from a browser. They can just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in.
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