Character Set (or Charset) - Package java.nio.charset (JDK 1.4) 字符集 - java.nio.charset(JDK 1.4)包 JDK 1.4提供了一个新的包java.nio.charset作为NIO(New IO)的一部分,以支持Java程序内部使用的Unicode(UCS-2) 和以任何其他格式编码的外部设备之间的字符进行转换(例如, US-ASCII,ISO-8859-x,UTF-...
In addition, Runnable provides the means for a class to be active while not subclassing Thread. A class that implements Runnable can run without subclassing Thread by instantiating a Thread instance and passing itself in as the target. In most cases, the Runnable interface should be used if you...
a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema;nullmeans that the schema name should not be used to narrow the search table String a table name; must match the table name as it is stored in the database ...
Within a pattern String, "%" means match any substring of 0 or more characters, and "_" means match any one character. Only metadata entries matching the search pattern are returned. If a search pattern argument is set to null, that argument's criterion will be dropped from the search....
An alternative to the DriverManager facility, a DataSource object is the preferred means of getting a connection. An object that implements the DataSource interface will typically be registered with a naming service based on the Java<sup><font size=-2>TM</font></sup> Naming and Directory (...
// set the ratio is 0.3f which means the width will be firstly computed by formula: // width = diameter of semi-cylinder * 0.3f, and then compare it with minimal // and maximal value to make sure the width is in range. mPageFlip.setShadowWidthOfFoldEdges(5, 40, 0.3f); 11. Base...
This means if one or more tasks are running slowly in a stage, they will be re-launched. https://spark.apache.org/docs/2.3.0/configuration.html https://stackoverflow.com/questions/45265682/speculative-execution-mapreduce-spark 20210624 Spark stream spark stream save offset (in java) https...
# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. # Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able # to run this example on a single-broker...
To use the Ant tool, execute the following command in the directory where you built and packaged the WAR: ant undeploy Configuring Web Applications Web applications are configured by means of elements contained in the web application deployment descriptor. The following sections give a brief introdu...
By default, the value of the property is blank, which means that no results configuration is specified in your upgraded system. For more information about configuring the search results filtering, see Setting up search results filtering. Specifying remote IBM DB2 database locations Deployments that ...