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How do I convert the C# .dll file to .so file
Requirements: I wrote a standalone module (a separate dll file) in C#, mainly through COM real-time monitoring of a hardware, based on Win7 system. Originally to WPF program call, now Android system app also call this dll file. The application scenario is that a hardware device is connected to an Android tablet, on which an app will call my library files to monitor the hardware. There is no network. The plan is to throw the files directly to Android developers, who will directly call the interface in the files to communicate with the hardware. What is the best way for Android developers to use dll files, wrap them with other layers or rewrite them in another language 需求：我用C#语言写了一个独立模块（单独一个dll文件），主要是通过COM口实时监控一个硬件，基于Win7系统写的。原来是给WPF程序调用的，现在是安卓系统上app也要调用这个dll文件。应用场景是一个硬件设备上连着一个安卓平板，平板上有一个app要调用我的库文件监控硬件，没有网络，计划是将文件直接丢给安卓开发人员，安卓开发人员直接调用文件里的接口与硬件通讯。哪种方式能更好的使安卓开发人员使用dll文件，外面用其他需要封装一层还是用其他语言重新写
Simple Guide On Effective Use Of Parallel Programming For C# In A Managed Code Environment:
Parallel programming in C# uses a variation of Managed Threading, that relies on PLINQ, Expression Trees, The Barrier Class, Thread Class, BackgroundWorker Class, SpinWait Struct, SpinLock Struct, and Thread-Tracking Mode for SpinLock. The reason is that it's faster to use the environment to determine how many cores / threads are available, as to not starve the device of resources, which at that point, you have to use the BackgroundWorker Class to manage each task you've created. Often in this scenario, you can end up with a deadlock condition, because you have more than one task trying to access a shared resource. It's much easier and faster to split up each task, ONLY using byte arrays, assigning each task individual byte arrays to sort / parse, encrypted or not, with the Stream class, or a sub variation of that Class, and then when each task finishes, they all finish at different times, but the shared resource is divided up into portions, so that they will only be able to fill one area of that array. The reason why Barrier is used in this situation, is it forces each one to wait until all the tasks are finished, or until they all ARRIVE at the same place, which solves one timing issue, yet it might create another where there's a bit of a timing mismatch if your estimates are wrong, you overshoot or undershoot I mean. At the very end, you can use a separate process to just COPY from each individual array, without a deadlock scenario occurring. The only issue, is you have to estimate how many threads are available ahead of time, and you can't use every single thread, yet you're going to have to divide a single resource between all those threads. Beforehand, you have to verify if it's a waste of time to use more than one thread. The reason why I say this, is that a lot of people use reference types, not knowing they are immutable, and they take a huge / massive performance hit because of this. Often you have to convert strings into byte arrays, or use a pre-initialized character array at the start of the program, which contains the Unicode values that you want to recast individually as strings, and then use a byte array as an INDEX or a placeholder, of a Unicode character array. If you’re not encrypting the byte arrays, or using them for text parsing, which byte arrays tend to be best in high throughput scenarios, than integer arrays will suffice. The index can be scrambled based on how you want to represent that one string, though it's smarter to only cast a new reference type when you want to display text on the screen. If you spend too much time manually parsing using built-in libraries, it's REALLY SLOW. A byte array is better to use than an integer array in this sort of situation. You might have to create separate indexes with a byte array representing a set of binary flags, to determine whether each one is a letter, number, symbol, etc, or how you want to classify each one based on the code chart that you're using. You would be better off in that situation to just use right shift / left shift / XOR, etc, to set the flags. Then you have something which is also very fast, and almost equivalent to a Barrel Shifter, given C# does not allow you to use pointers, as it's managed code / a managed environment. All the Boolean Logical Operators with Compound Assignment rely on pre-initialized Cast Expressions of Integer Literals, Bitwise and Shift Operators, combined with Lambda Expressions, and Operator Overloading. The purpose of the Shift Operators is to mask / pad the bits of one byte value with zeroes, so that your Cast Expression Of An Integer Literal, which serves at the mask, always gives you a fixed / deterministic result, when used in conjunction with Boolean Logical Operators, especially if the value is smaller than 8-bits / a single byte, or you're dealing with a larger array has to represent a flag "register" with a size of ( 2 ^ 8 ) 256 bits, which is basically a Double-Word: "Microsoft Learn - Boolean logical operators - AND, OR, NOT, XOR - Compound assignment" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/boolean-logical-operators#compound-assignment" "Microsoft Learn - Bitwise and shift operators (C# reference)" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/bitwise-and-shift-operators" "Microsoft Learn - Operator overloading - predefined unary, arithmetic, equality and comparison operators" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/operator-overloading" "Microsoft Learn - Lambda expressions and anonymous functions" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/lambda-expressions" "Microsoft Learn - Integral numeric types (C# reference) - Integer literals" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/builtin-types/integral-numeric-types#integer-literals" "Microsoft Learn - Type-testing operators and cast expressions - is, as, typeof and casts - Cast expression" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/type-testing-and-cast#cast-expression" "Microsoft Learn - Deserialization risks in use of BinaryFormatter and related types" -> "https://learn.microsoft.com/en-us/dotnet/standard/serialization/binaryformatter-security-guide" "Microsoft Learn - BinaryReader Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.io.binaryreader?view=netframework-4.0" "Microsoft Learn - Stream Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.io.stream?view=netframework-4.0" "Microsoft Learn - StreamWriter Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.io.streamwriter?view=netframework-4.0" "Microsoft Learn - StreamReader Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.io.streamreader?view=netframework-4.0" "Microsoft Learn - File and Stream I/O" -> "https://learn.microsoft.com/en-us/dotnet/standard/io/" "Microsoft Learn - Pipe Functions" -> "https://learn.microsoft.com/en-us/windows/win32/ipc/pipe-functions" "Microsoft Learn - System.IO.Pipes Namespace" -> "https://learn.microsoft.com/en-us/dotnet/api/system.io.pipes?view=netframework-4.0" "Microsoft Learn - Custom Partitioners for PLINQ and TPL" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/custom-partitioners-for-plinq-and-tpl" "Microsoft Learn - Expression Trees" -> "https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/expression-trees/" "Microsoft Learn - Build expression trees" -> "https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/expression-trees/expression-trees-building" "Microsoft Learn - Translate expression trees" -> "https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/expression-trees/expression-trees-translating" "Microsoft Learn - Execute expression trees" -> "https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/expression-trees/expression-trees-execution" "Microsoft Learn - System.Windows.Threading Namespace" -> "https://learn.microsoft.com/en-us/dotnet/api/system.windows.threading?view=netframework-4.0" "Microsoft Learn - System.Threading Namespace" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading?view=netframework-4.0" "Microsoft Learn - System.Threading.Channels Namespace" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.channels?view=netcore-3.0" "Microsoft Learn - System.Threading.Tasks Namespace" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks?view=netframework-4.0" "Microsoft Learn - Timer Class (System.Timers)" -> "https://learn.microsoft.com/en-us/dotnet/api/system.timers?view=netframework-4.0" "Microsoft Learn - Timer Class (System.Threading)" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.timer?view=netframework-4.0" "Microsoft Learn - DispatcherTimer Class (System.Windows.Threading)" -> "https://learn.microsoft.com/en-us/dotnet/api/system.windows.threading.dispatchertimer?view=netframework-4.0" "Microsoft Learn - Dispatcher Class (System.Windows.Threading)" -> "https://learn.microsoft.com/en-us/dotnet/api/system.windows.threading.dispatcher?view=netframework-4.0" "Microsoft Learn - Threads and threading" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/threads-and-threading" "Microsoft Learn - Using threads and threading" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/using-threads-and-threading" "Microsoft Learn - Introduction to PLINQ" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/introduction-to-plinq" "Microsoft Learn - Task Parallel Library (TPL)" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/task-parallel-library-tpl" "Microsoft Learn - Lambda Expressions in PLINQ and TPL" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/lambda-expressions-in-plinq-and-tpl" "Microsoft Learn - Multithreading in Windows Forms Controls" -> "https://learn.microsoft.com/en-us/dotnet/desktop/winforms/controls/multithreading-in-windows-forms-controls" "Microsoft Learn - Managed threading best practices" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/managed-threading-best-practices" "Microsoft Learn - Parallel programming in .NET: A guide to the documentation" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/" "Microsoft Learn - Thread Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.thread" "Microsoft Learn - BackgroundWorker Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.componentmodel.backgroundworker" "Microsoft Learn - Synchronizing data for multithreading" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/synchronizing-data-for-multithreading" "Microsoft Learn - Overview of synchronization primitives" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/overview-of-synchronization-primitives" "Microsoft Learn - Environment.ProcessorCount Property" -> "https://learn.microsoft.com/en-us/dotnet/api/system.environment.processorcount" "Microsoft Learn - Managed threading best practices - Number of Processors" -> "https://learn.microsoft.com/en-us/previous-versions/dotnet/netframework-1.1/1c9txz50(v=vs.71)#number-of-processors" "Microsoft Learn - lock statement - ensure exclusive access to a shared resource" -> "https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/statements/lock" "Microsoft Learn - Reliability Best Practices" -> "https://learn.microsoft.com/en-us/dotnet/framework/performance/reliability-best-practices" "Microsoft Learn - BackgroundWorker Component Overview" -> "https://learn.microsoft.com/en-us/dotnet/desktop/winforms/controls/backgroundworker-component-overview" "Microsoft Learn - How to: Run an Operation in the Background" -> "https://learn.microsoft.com/en-us/dotnet/desktop/winforms/controls/how-to-run-an-operation-in-the-background" "Microsoft Learn - Thread-safe collections" -> "https://learn.microsoft.com/en-us/dotnet/standard/collections/thread-safe/" "Microsoft Learn - Threading objects and features" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/threading-objects-and-features" "Microsoft Learn - Barrier" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/barrier" "Microsoft Learn - Barrier Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.barrier?view=netframework-4.0" "Microsoft Learn - SpinWait" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/spinwait" "Microsoft Learn - SpinWait Struct" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.spinwait?view=netframework-4.0" "Microsoft Learn - SpinLock" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/spinlock" "Microsoft Learn - SpinLock Struct" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.spinlock?view=netframework-4.0" "Microsoft Learn - How to: use SpinLock for low-level synchronization" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/how-to-use-spinlock-for-low-level-synchronization" "Microsoft Learn - How to: Enable Thread-Tracking Mode in SpinLock" -> "https://learn.microsoft.com/en-us/dotnet/standard/threading/how-to-enable-thread-tracking-mode-in-spinlock" "Microsoft Learn - Chaining tasks using continuation tasks" -> "https://learn.microsoft.com/en-us/dotnet/standard/parallel-programming/chaining-tasks-by-using-continuation-tasks" "Microsoft Learn - Interlocked Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.interlocked?view=netframework-4.0" "Microsoft Learn - TaskFactory Class" -> "https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.taskfactory?view=netframework-4.0"Need suggestion on learning C# for AZ-204 exam
Hi All, I am a sysadmin and I am looking to start the certification track of Azure Developer. I code in PowerShell and also know basics of C# programming. Can anyone suggestion any good resource to learn C# specific to Azure Developer (AZ-204) certification exam. Regards, Ashish Arya
The Importance of Finding the Right Bra Size
Finding the right goldies bra size is one of the most important things you can do when shopping for a new bra. If your bra does not fit you correctly, you’re not only going to be uncomfortable, but you’re also going to end up with unsightly lines, straps digging into your skin, and a bra that isn’t lifting you to your fullest potential. https://fullfly.net/goldies-bra-reviews/ While this may not seem like a big deal when you’re just wearing the bra by itself, it becomes much more noticeable when you’re wearing a shirt or other top. If you’re trying to find your perfect bra size, be sure to take all of your measurements. This includes the circumference of your bust, the length of your torso, and your bra size. Keep in mind that bra sizes are not just measurements of the cups. There are other parts of the bra that need to be measured and checked to ensure the correct size.
