I\xe2\x80\x99m 尝试解析java.lang.ClassNotFoundException:jade.core.migration.InterPlatformMobilityService，当我为 \xe2\x80\x9cInter\xe2\x80\x9d 平台移动性安装添加包时，该问题发生在JADE（Java 代理开发框架）中，其中有一个名为 \xe2 的 JAR \x80\x9cmigration.jar\xe2\x80\x9d 其中包含InterPlatformMobilityService类。我需要这个额外的 JAR，以便在不同的计算机之间发送代理（代码和数据）。
这是我的输出，显示了错误：
\nINFO: Service jade.core.mobility.AgentMobility initialized\nSep 03, 2021 3:38:48 PM jade.core.AgentContainerImpl initAdditionalServices\nWARNING: Exception initializing service jade.core.migration.InterPlatformMobilityService\njade.core.ServiceException: An error occurred during service activation - Caused by: jade.core.migration.InterPlatformMobilityService\n at jade.core.AgentContainerImpl.startService(AgentContainerImpl.java:1169)\n at jade.core.AgentContainerImpl.initAdditionalServices(AgentContainerImpl.java:450)\n at jade.core.AgentContainerImpl.startNode(AgentContainerImpl.java:389)\n at jade.core.AgentContainerImpl.joinPlatform(AgentContainerImpl.java:502)\n at jade.core.Runtime.createMainContainer(Runtime.java:159)\n at abc.def.hgi.Setup.start(Setup.java:47)\n at abc.def.hgi.App.main(App.java:51)\nNested Exception:\njava.lang.ClassNotFoundException: jade.core.migration.InterPlatformMobilityService\n at java.net.URLClassLoader.findClass(URLClassLoader.java:382)\n at java.lang.ClassLoader.loadClass(ClassLoader.java:418)\n at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)\n at java.lang.ClassLoader.loadClass(ClassLoader.java:351)\n at java.lang.Class.forName0(Native Method)\n at java.lang.Class.forName(Class.java:264)\n at jade.core.AgentContainerImpl.startService(AgentContainerImpl.java:1153)\n at jade.core.AgentContainerImpl.initAdditionalServices(AgentContainerImpl.java:450)\n at jade.core.AgentContainerImpl.startNode(AgentContainerImpl.java:389)\n at …I’m developing a barcode scanning app that has the following the functionality:
• Access device camera , preview camera on SurfaceView , and automatically refocus
• Attemtps to decode barcode using 2 methods
a) On SurfaceView touch using onTouchEvent(MotionEvent event), attempts to take a picture of the barcode , but gets java.lang.RuntimeException: takePicture failed
b) Or Preferably , can take a picture on success of onAutoFocus(boolean success, Camera camera) , but onAutoFocus() does not get called
I’m implementing the …
我想将R中的两个不同的数据帧(完全不同的列)组合成一个包含数据帧.
让我们说数据框"df_a"有A列和B列:
df_a <- read.table(header=TRUE, text='
A B
1 x1
2 y1
3 z1
')
数据框"df_b"包含C和D列.
df_b <- read.table(header=TRUE, text='
C D
1 6.7
1 4.5
1 3.7
2 3.3
2 4.1
2 5.2
')
因此,结果数据帧"df_c"将包含列A,B,C,D,如下所示:
df_c
A B C D
1 1 x1 1 6.7
2 2 y1 1 4.5
3 3 z1 1 3.7
4 NA NA 2 3.3
5 NA NA 2 4.1
6 NA NA 2 5.2
方法#1:
我首先尝试使用rbind()但该功能需要匹配列名,但这不是我正在寻找的.
方法#2:
我用过df_c <- merge(df_a,df_b) …
我正在尝试编写Espresso单元测试,该测试依赖于使TCP/IP网络连接到外部应用程序以便成功通过的组件.
测试失败的原因是TCP/IP网络花费的时间比Espresso允许的时间长......
因此,我们需要有TCP/IP代码类TCPConnectionTask实现IdlingResource:
但是,我得到了这个例外:
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
at android.os.Handler.<init>(Handler.java:200)
at android.os.Handler.<init>(Handler.java:114)
at android.app.Activity.<init>(Activity.java:786)
at com.sample.QuicksetSampleActivity.<init>(QuicksetSampleActivity.java:82)
at com.unitTests.QuicksetSampleActivityTest.<init>(QuicksetSampleActivityTest.java:52)
我附上TCPConnectionTask并打电话Looper.prepare()和尝试过Looper.prepareMainLooper(),没有成功,见下文(TCPConnectionTask):
/**
* Async task to connect to create TCPIPDataComm and connect to external IRB.
*
*/
public class TCPConnectionTask extends AsyncTask<String, Void, Void > implements IdlingResource {
String ip_user = null;
int port_user;
private ResourceCallback callback;
private boolean flag = false;
protected Void doInBackground(String... args) …我写了一个特殊的"impute"函数,它根据特定的列名替换具有mean()或mode()的缺失(NA)值的列值.
输入数据帧是400,000+行并且它的转速很慢,我如何使用lapply()或apply()来加速插补部分.
这是我想用START OPTIMIZE&END OPTIMIZE优化的功能,标记部分:
specialImpute <- function(inputDF)
{
discoveredDf <- data.frame(STUDYID_SUBJID=character(), stringsAsFactors=FALSE)
dfList <- list()
counter = 1;
Whilecounter = nrow(inputDF)
#for testing just do 10 iterations,i = 10;
while (Whilecounter >0)
{
studyid_subjid=inputDF[Whilecounter,"STUDYID_SUBJID"]
vect = which(discoveredDf$STUDYID_SUBJID == studyid_subjid)
#was discovered and subset before
if (!is.null(vect))
{
#not subset before
if (length(vect)<1)
{
#subset the dataframe base on regex inputDF$STUDYID_SUBJID
df <- subset(inputDF, regexpr(studyid_subjid, inputDF$STUDYID_SUBJID) > 0)
#START OPTIMIZE
for (i in nrow(df))
{
#impute , add column mean …I have an app that that exposes the android Camera API, my goal is to use the Camera in my activity "ScanVinFromBarcodeActivity" , in order to scan barcodes using (zxing liberary).
The issue I'm facing is that the Camera output on the preview (SurfaceView) seems to be rotated 90 degrees counter clockwise (portrait & landscape orientations).
See the snapshot of my screen ( As you can see the people and my computer are rotated 90 degrees counter clockwise???:
By the …
我是Java世界的新手.
我编写了一个名为"Instance"的Python类,它有3个属性(属性,值和类).我想覆盖" eq "方法以及" 哈希 "方法,我正在使用用于对象比较的"属性"和"值"属性.我实例化了两个具有相同值的对象,但它们返回不相等.
代码如下,类实例:
'''Class of type Instance'''
class Instance(object):
__attribute = None;
__value = None;
__classification = None;
#constructor
def __init__(self,attribute,value,classification):
self.attribute = attribute;
self.value = value;
self.classification = classification;
#setters & getters
def setAttribute(self,attribute):
self.attribute = attribute
def setValue(self,value):
self.value = value
def setClassification(self,classification):
self.classification = classification
def getAttribute(self):
return self.Attribute;
def getValue(self):
return self.Value
def getClassification(self):
return self.Classification
def __eq__(self, other):
#if self & other are the same instance & attribute & value equal …