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Generating a SHA-256 hash from the Linux command line
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@AlistairMacDonald - I don't know exactly what you are looking for. AFAIK, SHA512 needs 80 rounds; If you want to manipulate the function, it won't be sha512 anymore. BTW, you can search / ask your question in crypto.stackexchange.com...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...模板来创建新的 App Inventor 组件，这些组件可以实现其他 Android 手势检测器。
1、多点触控演示应用
ScaleGestureDemo 是缩放手势的简单演示，其中两根手指靠得更近或更远以表示展开或收缩。 你可以从这里下载打包的应用程序并...
What is the difference between a framework and a library?
...of different things depending the context they are used.
For example, on Mac OS X frameworks are just libraries, packed into a bundle. Within the bundle you will find an actual dynamic library (libWhatever.dylib). The difference between a bare library and the framework on Mac is that a framework c...
How to remove the arrow from a select element in Firefox
... was about time I give something back.
I have only tested it in firefox (mac) version 18, and then 22 (after I updated).
All feedback is welcome.
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How to convert current date into string in java?
...time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
The Thre...
USB Debugging option greyed out
I have an LG-E405 phone running Android 2.3.6.
15 Answers
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Convert Json Array to normal Java list
Is there a way to convert JSON Array to normal Java Array for android ListView data binding?
14 Answers
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pg_config executable not found
... at /Applications/Postgres.app/Contents/Versions/<your version>/bin (Mac OS X)
– Tim Daubenschütz
Mar 17 '15 at 13:01
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Find first element in a sequence that matches a predicate
... answered Dec 16 '11 at 12:49
macmac
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Best way to define private methods for a class in Objective-C
...ivate method in Objective-C. However, starting in Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations must go in...