println(a4.toBuffer) } @Test def arrayBufferTest(): Unit={//在Scala中,如果需要类似于Java中的ArrayList这种长度可变的集合类,则可以使用ArrayBuffer。//如果不想每次都使用全限定名,则可以预先导入ArrayBuffer类importscala.collection.mutable.ArrayBuffer
Scala系列6:Scala中Array,BufferArray,元组,list,set,map等集合使用详解,Scala中集合类的序列有:数组,元组,列表,Set集,Map映射,其中数组,列表,Set,Map又分为可变和不可变两种。下面就此详细展开介绍使用。0.数组的使用详解scala中数组的概念是和Java类似,可以
def copyToBuffer(dest:Buffer):unit 将数组中内容拷贝到Buffer内(使用改方法需要先导包:import scala.collection.mutable.ArrayBuffer) val a=Array(1,2,3) val b=newArrayBuffer[Int]() a.copyToBuffer(b)//scala.collection.mutable.ArrayBuffer[Int] = ArrayBuffer(1, 2, 3) def corresponds(that:GenSeq)...
import scala.collection.mutable._ val a = Array('a','b','c') val b:ArrayBuffer[Char] = ArrayBuffer() //定义Buffer类型数组b a.copyToBuffer(b) //复制数组a中元素至数组b b //查看数组b: ArrayBuffer(a, b, c) b.toString //输出数组b: String = ArrayBuffer(a, b, c) 1. 2. 3. 4...
转换成8位的tmp1 memcpy(tmp1.data(), tmp16.data(), byteNum); // 将tmp1进行反转 std::reverse(tmp1.begin...get_data(T& _return, const Uint8Array& buffer, uint16 offset_bytes, bool isLittle, bool isSwapByte...另外,C#中直接提供了byte数据类型,类似于C和C++中的unsigned char 数据类型...
...解决方案: 采用正则表达式,高端大气上档次,重点是简洁,举个栗子: html页面: 上面省去N行。。。...正则抓取数据: public static void praseStr() { String html = Models.readTxtFile("E:\\tmpTxt\\test0703...); int countAll = m.groupCount(); StringBuffer json = new StringBuffer("{"); ...
larray-mmap(MMapBuffer and LArray.mmap) uses JNI and is available for the following major CPU architectures: Windows (32/64-bit) Linux (i368, amd64 (Intel 64-bit), arm, armhf) Mac OSX (Intel 64bit) History 2016-12-13: vesrion 0.4.0 - Fix #52. Support Scala 2.12. Usewvlet-log...
val buffer = java.nio.ByteBuffer.wrap("value".getBytes()) envelope.put("value", buffer) val headers = new org.apache.avro.generic.GenericData.Record(HeadersSchema) headers.put("header1", "value1") headers.put("header2", 123456789L) envelope.put("headers", headers) val metadata = new ...
3,"x","y")//remove(n:Int,count:Int)方法,在指定索引处删除一个或多个元素arrBuf.remove(1,2)//ArrayBuffer与Array的相互转换valarr=Array(1,2)//Array转为ArrayBuffervararrBuff=arr.toBuffer 2, 3)//+=,++=操作都是对集合本身进行操作,并返回集合自身arrBuf2(0)="0"println(arrBuf)//(0, b...
2010-07-05 20:14:00,232 ERROR o.a.w.protocol.http.WicketFilter - closing the buffer error java.lang.ArrayIndexOutOfBoundsException: 8192 at com.caucho.vfs.i18n.UTF8Writer.write(UTF8Writer.java:136) [resin.jar:4.0.8] at com.caucho.server.http.ToByteResponseStream.flushCharBuffer(ToByteRe...