所以,这应该是一个简单的问题,但是我一直都是垃圾,SAS的文献也没有真正的帮助。我们正在运行一个分析,我们需要比较不同的变量组合。例如,我们有8个不同的品种和3个处理,并希望在处理1中对比品种5和品种7。我写的代码是:
proc mixed data=data;
class breed treatment field;
model ear_mass = field breed field*breed treatment field*treatment breed*treatment;
random field*breed*treatment;
estimate "1 C0"
b
异常的完整堆栈跟踪:
ERROR CheckboxTag:86 - Property not found
org.springframework.binding.expression.PropertyNotFoundException: Property not found
at org.springframework.binding.expression.spel.SpringELExpression.getValueType(SpringELExpression.java:103)
at org.springframework.webflow.mvc.view.Bindin
我写了一个库(DLL)。Java代码将我的DLL与JNA结合使用。在库中,我在QThread派生类中通过“新建”创建了Qtimer。
但是,我有以下错误:
ERROR: QTimer can only be used with threads started with QThread
没有QApplication/QCoreApplication,我应该如何正确使用QTimer从非Qt线程调用?
com.qcloud.cos.exception.CosClientException: Unable to decrypt symmetric key from object metadata
at com.qcloud.cos.internal.crypto.ContentCryptoMaterial.cek(ContentCryptoMaterial.java:205)
at com.qcloud.cos.internal.crypto.ContentCryptoMaterial.fromObjectMetadata0(ContentCryptoMaterial.jav
我打电话时出错了
dynamoDBMapper.scan(Person.class, new DynamoDBScanExpression())
java.lang.NullPointerException: null
at com.amazonaws.services.dynamodbv2.model.ScanRequest.setScanFilter(ScanRequest.java)
at com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper.createScanRequestFromExpressio