version 28 (intended for android pie and below) is the last version of the legacy support library, so we recommend that you migrate to androidx libraries when using android q and moving forward. the ide can help with this: refactor > migrate to androidx..

android support library

Version 28 (intended for Android Pie and below) is the last version of the legacy support library, so we recommend that you migrate to AndroidX libraries when using Android Q and moving forward. The IDE can help with this: Refactor > Migrate to AndroidX...

同时，Android Studio也提供了一个工具来帮助开发者将旧的支持库迁移到AndroidX库中，可以通过Refactor > Migrate to AndroidX...来使用这个工具。这个工具会自动将你的代码中使用的旧支持库替换为新的AndroidX库，...

错误Version 28 (intended for Android Pie and below) is the last version of the legacy support library, so we recommend that you migrate to AndroidX libraries when using Android Q and moving forward. The IDE can help with this: Refactor > Migrate to AndroidX...

这个错误提示是由于你正在使用的是 Android Support 库的旧版本，而在 Android Q 及以后的版本中，Google 推出了 AndroidX 库来替代旧的 Support 库。因此，建议你在使用 Android Q 及以后的版本时，使用 AndroidX ...

APPROACH FOR DERIVING SCENARIOS FOR SAFETY OF THE INTENDED FUNCT

标题“APPROACH FOR DERIVING SCENARIOS FOR SAFETY OF THE INTENDED FUNCT”和描述中提到的“非预期功能安全Sotif”涉及到的是系统工程领域中的一个重要概念，即功能安全（Functional Safety）的一个子领域——预期...

This chapter and the next take a quick look at program execution—how you launch code, and how Python runs it. In this chapter, we’ll study how the Python interpreter executes programs in general. Chapter 3 will then show you how to get your own programs up and running. Startup details are inherently platform-specific, and some of the material in these two chapters may not apply to the platform you work on, so more advanced readers should feel free to skip parts not relevant to their intended use. Likewise, readers who have used similar tools in the past and prefer to get to the meat of the language quickly may want to file some of these chapters away as “for future reference.” For the rest of us, let’s take a brief look at the way that Python will run our code, before we learn how to write it.

本章和下一章将快速浏览程序执行 - 如何启动代码以及Python如何运行它。在本章中，我们将研究Python解释器如何一般执行程序。第三章将向您展示如何运行您自己的程序。启动详细信息固有地依赖于特定平台，这两章中的...

<?xml version="1.0" encoding="UTF-8"?> <tomcat-users xmlns="http://tomcat.apache.org/xml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd" version="1.0"> <role rolename="tomcat"/> <role rolename="role1"/> <user username="tomcat" password="tomcat" roles="tomcat"/> <user username="both" password="tomcat" roles="tomcat,role1"/> <user username="role1" password="tomcat" roles="role1"/> </tomcat-users> 出现cvc-elt.1.a: Cannot find the declaration of element 'tomcat-users'.如何修改

version="1.0"> 修改为： xml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd" version="1.0" xmlns:ns2=...

To be the same or narrower than the TXVECTOR parameter CH_BANDWIDTH of the MU-RTS Trigger frame that has been sent by the TXOP holder in the last MU-RTS Trigger/CTS frame exchange in the same TXOP, if the RU Allocation subfields of the MU-RTS Trigger frame for all intended receivers are equal to a value that corresponds to the channel bandwidth that is indicated in the UL BW subfield in the Common Info field of the MU-RTS Trigger frame.

这是一段关于无线通信协议的技术文本，大致意思是在同一个TXOP中，如果多个接收器的RU分配子字段都等于MU-RTS Trigger帧中指示的通道带宽相应的值，那么发送者发送的MU-RTS Trigger帧中的CH_BANDWIDTH参数应该与上一...

libEMF Version 1.0 libEMF is a library for generating Enhanced Metafiles on systems which don't natively support the ECMA-234 Graphics Device Interface (GDI). The library is intended to be used as a driver for other graphics programs such as Grace or gnuplot. Therefore, it implements a very limited subset of the GDI. The only additional configuration option beyond the usual GNU autotools options is --enable-editing, which activates the function EditEnhMetaFile(). This will print the contents of a metafile in memory to stdout. The documentation starts at doc/html/index.html. The software is available from SourceForge. See https://sourceforge.net/projects/libemf/ Copyright (C) 2002 lignum Computing, Inc. <dallenbarnett@users.sourceforge.net>

"libEMF" 是一个用于在不支持 ECMA-234 图形设备接口（GDI）的系统上生成增强型元文件的库。该库旨在用作其他图形程序（如 Grace 或 gnuplot）的驱动程序。因此，它实现了非常有限的 GDI 子集。...

Unlike the classical encryption schemes,keys are dispensable in certain PLS technigues, known as the keyless secure strat egy. Sophisticated signal processing techniques such as arti- ficial noise, beamforming,and diversitycan be developed to ensure the secrecy of the MC networks.In the Alice-Bob-Eve model, Alice is the legitimate transmitter, whose intended target is the legitimate receiver Bob,while Eve is the eavesdropper that intercepts the information from Alice to Bob.The secrecy performance is quantified via information leakagei.ethe dif ference of the mutual information between the Alice-Bob and Alice-Eve links. The upper bound of the information leakage is called secrecy capacity realized by a specific distribution of the input symbols, namely,capacity-achieving distribution.The secrecy performance of the diffusion-based MC system with concentration shift keying(CSK)is analyzed from an informa- tion-theoretical point of view,providing two paramount secrecy metrics, i.e., secrecy capacity and secure distance[13].How ever, only the estimation of lower bound secrecy capacity is derived as both links attain their channel capacity.The secrecy capacity highly depends on the system parameters such as the average signal energy,diffusion coefficientand reception duration. Moreover, the distance between the transmitter and the eavesdropper is also an important aspect of secrecy per- formance. For both amplitude and energy detection schemes secure distance is proposed as a secret metricover which the eavesdropper is incapable of signal recovery. Despite the case with CSK,the results of the secure metrics vary with the modulation type(e.g.pulse position,spacetype) and reception mechanism(e.g.passive,partially absorbingper fectly absorbing).For ease of understanding,Figure 3 depicts the modulation types and the corresponding CIRs with different reception mechanisms. Novel signa processing techniques and the biochemical channel properties can further assist the secrecy enhancement in the MC system.The molecular beam forming that avoids information disclosure can be realized via the flow generated in the channel.Besidesnew dimensions of diversity, such as the aforementioned molecular diversity of ionic compounds, can beexploited. Note that the feasibility of these methods can be validated by the derived secrecy metrics.

该论文主要介绍了在某些物理层安全技术中，与传统加密技术不同的是，密钥并不是必须的，这种技术被称为“无密钥安全策略”。通过使用先进的信号处理技术，如人工噪声、波束成形和多样性等，可以确保分子通信网络的...

Write the following code in c #, Write a method that creates and return an array of ints. The method takes a single int argument that represents the how many items will be in the resulting array and does the following: • Declare an array of the required type • Allocate memory for the intended number of items • Using any looping structure, prompt the user for a number and then assign to each element. In your main method do the following: (1) call this method (you will need to supply an argument), assign the resulting value to at suitable variable and then (2) display this variable.

In the Main method, we call CreateIntArray with an argument of n and assign the resulting array to the arr variable. We then use a foreach loop to display each element in the array.

span exec error for kafka org.apache.kafka.common.errors.NotLeaderOrFollowerException: For requests intended only for the leader, this error indicates that the broker is not the current leader. For requests intended for any replica, this error indicates that the broker is not a replica of the topic partition.

这个错误是 Kafka 的一个常见错误，称为 NotLeaderOrFollowerException。它表示发起的请求要么是针对 Leader 执行的，但当前 broker 不是 Leader，要么是针对副本执行的，但当前 broker 不是该主题分区的副本。...

Standard SPI Mode Standard SPI mode is selected when the Mode option in the Vivado IDE is set to Standard. The relevant parameters in this mode are: • Mode • Enable STARTUPE2 Primitive • Transaction Width • No. of Slaves • Frequency Ratio Send Feedback AXI Quad SPI v3.2 7 PG153 April 4, 2018 www.xilinx.com Chapter 1: Overview • Enable FIFO The properties of the core in standard SPI mode, including or excluding a FIFO, are described as: • The choice of inclusion of FIFO is based on the Enable FIFO parameter. FIFO Depth parameter is linked to Enable FIFO parameter. FIFO Depth limits the transmit and receive FIFO depth to 16 or 256 when FIFO is enabled. When FIFO is not enabled, the value of FIFO depth parameter is considered to be 0. A FIFO depth of 256 should be used because this is the most suitable depth in relation to the flash memory page size. • The valid values for the FIFO Depth option in this mode are 16 or 256 when FIFO is enabled through Enable FIFO parameter. When Enable FIFO is 0 and no FIFO is included in the core. Data transmission occurs through the single transmit and receive register. When FIFO Depth is 16 or 256, the transmit or receive FIFO is included in the design with a depth of 16 or 256 elements. The width of the transmit and receive FIFO is configured with the Transaction Width option. The AXI Quad SPI core supports continuous transfer mode. When configured as master, the transfer continues until the data is available in the transmit register/FIFO. This capability is provided in both manual and automatic slave select modes. As an example, during the page read command, the command, address, and number of data beats in the DTR must be set equal to the same number of data bytes intended to be read by the SPI memory. When the core is configured as a slave, if the slave select line (SPISEL) goes High (inactive state) during the data element transfer, the current transfer is aborted. If the slave select line goes Low, the aborted data element is transmitted again. The slave mode of the core is allowed only in the standard SPI mode.

of Slaves（从设备数量） • Frequency Ratio（频率比例） • Enable FIFO（启用FIFO）在标准SPI模式下，核心的属性包括是否包含FIFO等，具体描述如下： • 是否包含FIFO的选择取决于Enable FIFO参数。FIFO Depth...

GEE报错：oo many pixels in the region. Found 65748854, but maxPixels allows only 10000000. Ensure that you are not aggregating at a higher resolution than you intended; that is a frequent cause of this error. If not, then you may set the 'maxPixels' argument to a limit suitable for your computation; set 'bestEffort' to true to aggregate at whatever scale results in 'maxPixels' total pixels; or both.

这个错误是由于你的区域内像素数量太多，超过了GEE的默认限制（10000000）。这可能是因为你的区域比较大，或者你的像素分辨率比较高。你可以尝试以下几种方法来解决这个问题： 1. 尝试减小你的区域范围，或者缩小你...

1.Discuss how and why the SecurityManager class for JVM check methods can be defined differently based on context.. 2.The library class Collections contains a method sort with the following type signature. public static <T> void sort (T[] a, Comparator <? super T> c); The Comparator interface contains the following method which returns a negative integer, zero or a positive integer according to whether o1 is considered to be before, equal to or after o2 in a proposed ordering. int compare (T o1, T o2) ; What does the identifier T mean in the declaration of the method sort? Illustrate your answer with an example. 3.What does the notation <? super T> mean in the declaration of sort? Again, illustrate your answer with an example. 4.Explain the concept of an anonymous inner class in Java using a method call example. 5.Convert the method call example using an anonymous inner class to a lambda expression. Give the code required for this. 6.In what types of situations might you prefer to use an anonymous class instead of a lambda expression, and vice versa? 7.Explain (auto)boxing and (auto)unboxing in Java? 8.What does the annotation @Override mean in Java? What are the benefits of adding it? 9.What are wildcards in Java and how are they used in generic programming? 10.Can you explain the bounded wildcards, and provide an example

For example, if we have a class Animal and a subclass Dog, we can use a Comparator that accepts any superclass of Dog to sort an array of Dogs: Dog[] dogs = ...; Comparator<Animal> c = ...; ...

use Java to achieve:Create a simple calculator Layout The calculator has: ● a display label at the top which will be used to show the calculation results ● a text field for the user to input an integer/double in the middle ● buttons for “clear”, “+”, “-”, “” and “/” in the bottom Desired final look: Functionality ● Create an accumulator state variable that keeps track of the current overall value of the calculation. ● Clicking the “clear” button, set the accumulator value to 0 ● Clicking the “+” button, add the text field value to the accumulator value ● Clicking the “-” button, subtract the text field value from the accumulator value ● Clicking the “” button, multiply the accumulator value by the text field value ● Clicking the “/” button, divide the accumulator value by the text field value ● After a button has been pressed, update the display label with the new accumulator value and empty the text field. (Correct layout: 0.25P, Class extends JFrame: 0.25P, Class follows OOP principles: 0.25P, Global set-up in main method: 0.25P) (Class implements ActionListener: 0.25P, Uses accumulator variable: 0.25P, Works as intended: 0.25P, Input checks to prevent errors: 0.25P)2 2

The accumulator variable is used to keep track of the current overall value of the calculation, and input checks are in place to prevent errors. The code meets all of the requirements you listed.

This query builds a cartesian product between disconnected patterns. If a part of a query contains multiple disconnected patterns, this will build a cartesian product between all those parts. This may produce a large amount of data and slow down query processing. While occasionally intended, it may often be possible to reformulate the query that avoids the use of this cross product, perhaps by adding a relationship between the different parts or by using OPTIONAL MATCH (identifier is: (to)) match (from:Person{pid:toInteger(line.pid)}),(to:Movie{mid:toInteger(line.mid)}) 请帮我翻译

尽管有时是有意的，但通常可以重新构思查询以避免使用这种交叉产品，例如通过在不同部分之间添加关系或使用OPTIONAL MATCH（标识符为：（to））匹配（from：Person {pid：toInteger（line.pid）}），（to：Movie {...

在银河麒麟的pycharm中出现错误 UserWarning: Animation was deleted without rendering anything. This is most likely not intended. To prevent deletion, assign the Animation to a variable, e.g. anim, that exists until you output the Animation using plt.show() or ani

这个错误通常是由于在使用 Matplotlib 动画时没有正确使用 plt.show() 或者 ani.save() 来输出动画导致的。您可以尝试将动画赋值给一个变量，如 anim，然后在使用 plt.show() 或 ani.save() 输出动画之前...

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version 28 (intended for android pie and below) is the last version of the legacy support library, so we recommend that you migrate to androidx libraries when using android q and moving forward. the ide can help with this: refactor > migrate to androidx..

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在银河麒麟的pycharm中出现错误 UserWarning: Animation was deleted without rendering anything. This is most likely not intended. To prevent deletion, assign the Animation to a variable, e.g. anim, that exists until you output the Animation using plt.show() or ani

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