content stringlengths 263 5.24M | pred_label stringclasses 1
value | pred_score_pos float64 0.6 1 |
|---|---|---|
const FastMatMulBlock = new FastMatMulBlockClass();
const AttentionBlock = new AttentionBlockClass();
const ResidualBlock = new ResidualBlockClass();
const EmbedBlock = new EmbedBlockClass();
const DeEmbedBlock = new DeEmbedBlockClass();
const GeluBlock = new GeluBlockClass();
const LayerNormBlock = new LayerNormBlockC... | __label__POS | 0.665209 |
package com.opslab;
import com.opslab.helper.HexStrHelper;
/**
* 一些常用的常量
*/
public final class Opslab {
/**
* 日期时间类型格式
*/
public static final String DATETIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
/**
* 日期类型格式
*/
public static final String DATE_FORMAT = "yyyy-MM-dd";
/**
* 时... | __label__POS | 0.997198 |
package com.opslab.util;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Map;
/**
* 提供一些对象有效性校验的方法
*/
@SuppressWarnings("rawtypes")
public final class CheckUtil {
/**
* 判断字符串是否是符合指定格式的时间
*
* @param date 时间字符串
* @param forma... | __label__POS | 1.000004 |
package com.opslab.util;
import com.opslab.helper.RegHepler;
import com.opslab.helper.SysHepler;
import com.opslab.util.algorithmImpl.FileTypeImpl;
import java.io.*;
import java.math.BigInteger;
import java.net.FileNameMap;
import java.net.URLConnection;
import java.nio.ByteBuffer;
import java.nio.channels.FileChanne... | __label__POS | 0.998049 |
package com.opslab.util;
import com.opslab.Opslab;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
/**
* Description:
* 编码相关的封装类
*/
public final class CharsetUtil {
/**
* 将字符编码转换成US-ASCII码
*/
public final static String toASC... | __label__POS | 0.99955 |
package com.opslab.util;
import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
/**
* 压缩文档相关的工具类
* 注意因为jre中自带的java.util.zip.*包不支持中文及加密压缩，如果需要选择使用zip4j包
*/
public final class ZIPUtil {
/**
* 文档压缩
*
... | __label__POS | 0.992796 |
package com.opslab.util;
import com.opslab.util.algorithmImpl.BCConvert;
import com.opslab.util.algorithmImpl.StringImpl;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 提供些常用的字符串相关的工具方法... | __label__POS | 0.999963 |
package com.opslab.util;
import com.opslab.Opslab;
import java.io.UnsupportedEncodingException;
/**
* 字符和字符序列常用方法
*/
public final class CharUtil {
/**
* Converts (signed) byte to (unsigned) char.
*/
public static char toChar(byte b) {
return (char) (b & 0xFF);
}
/**
* Conv... | __label__POS | 0.991548 |
package com.opslab.util;
import com.opslab.helper.ClassHelper;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
/**
* 配置相关的一些辅助类
*/
public class ConfigUtil {
/**
* 获取配置文件资源
*
* @return
*/
public static URL f... | __label__POS | 0.99224 |
package com.opslab.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
/**
* 提供一些常用的属性文件相关的方法
*/
public final class PropertiesUtil {
public static Logger logger = LoggerFacto... | __label__POS | 0.998621 |
package com.opslab.util;
import java.io.*;
/**
* 流相关的操作方法封装
*/
public final class StreamUtil {
/**
* Read an input stream into a string
*/
public final static String streamToString(InputStream in) throws IOException {
StringBuffer out = new StringBuffer();
byte[] b = new byte[4096]... | __label__POS | 0.999106 |
package com.opslab.util;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* 异常处理的工具类
*/
public final class ExceptionUtil {
/**
* 只返回指定包中的异常堆栈信息
*
* @param e 异常信息
* @param packageName 只转换某个包下的信息
* @return string
*/
public static String stackTraceToString(Th... | __label__POS | 0.9999 |
package com.opslab.useful;
import com.opslab.helper.WebHelper;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
/**
* 实现简单的xss过滤
*/
public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper {
HttpServletRequest xssRequest = null;
public ... | __label__POS | 0.977433 |
package com.opslab.helper;
import com.opslab.bean.ResultBean;
import com.opslab.util.image.CaptchaUtil;
import javax.imageio.ImageIO;
import java.awt.*;
import java.io.File;
/**
* 提供图片操作的常用方法
*/
public final class ImageHelper {
/**
* 判断呢是否是图片
*
* @param filePath 文件路径
* @return
*/
p... | __label__POS | 0.999729 |
package com.opslab.helper;
import com.opslab.bean.BeanStruct;
import com.opslab.functions.PropertyFilter;
import com.opslab.util.CheckUtil;
import com.opslab.util.algorithmImpl.BeanFactory;
import java.beans.IntrospectionException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
i... | __label__POS | 0.990032 |
package com.opslab.helper;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
i... | __label__POS | 0.99987 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.util.CheckUtil;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* 常用类型转换
*/
public final class ConvertHepler {
/**
* 短整型与字节的转换
*/
public static fina... | __label__POS | 0.996959 |
package com.opslab.helper;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalAdjusters;
import java.util.ArrayList;
import java.util.List;
/**
* JAVA8时间工具类
*/
public class Date8Helper {
// 时间元素
public static final String Y... | __label__POS | 0.999098 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.util.StringUtil;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
/**
* Description:
* 编码相关的封装类
*/
public final class CharsetHepler {
/**
* 将字符编码转换成US-ASCII码
... | __label__POS | 0.999487 |
package com.opslab.helper;
import com.opslab.util.AssertUtil;
import com.opslab.util.ExceptionUtil;
import com.opslab.util.FileUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Field;
import j... | __label__POS | 0.949184 |
package com.opslab.helper;
import com.opslab.util.StringUtil;
import javax.servlet.ServletRequest;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URL... | __label__POS | 0.962844 |
package com.opslab.helper;
import com.opslab.bean.TreeBean;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
public class TreeHepler {
/**
* 将具有父子关系的list集合转换为树形结构
*
* @param list
* @return
*/
public static List<TreeBean>... | __label__POS | 0.991033 |
package com.opslab.helper;
import com.opslab.util.encrypt.ASEUtil;
import com.opslab.util.encrypt.Base64Ext;
import com.opslab.util.encrypt.DESUtil;
import com.opslab.util.encrypt.Decode;
import java.math.BigInteger;
import java.nio.charset.Charset;
import java.security.MessageDigest;
/**
* 提供常见的加密方法
*/
public cla... | __label__POS | 0.999769 |
package com.opslab.helper;
import com.opslab.Opslab;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 提供一些常用的时间想法的方法
*/
public final class DateHelper {
//注意SimpleDateForma... | __label__POS | 0.994284 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.useful.SSLmiTM;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
/**
* 封装常见的HTTP方法
*/
public final class ... | __label__POS | 0.935007 |
package com.opslab.helper;
import com.opslab.functions.ObjectFilter;
import com.opslab.functions.ObjectHandler;
import com.opslab.functions.ObjectProcess;
import com.opslab.util.AssertUtil;
import com.opslab.util.ZIPUtil;
import com.opslab.util.encrypt.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
... | __label__POS | 0.998395 |
package com.opslab.helper;
import com.opslab.util.ArrayUtil;
import java.util.*;
/**
* 随机相关的方法封装
*/
@SuppressWarnings("unchecked")
public final class RandomHelper {
public static final String ALLCHAR
= "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
public static final String... | __label__POS | 0.999943 |
package com.opslab.helper;
import com.opslab.Opslab;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 提供一些常用的时间想法的方法
*/
public final class Date6Helper {
//注意SimpleDateFo... | __label__POS | 0.994383 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.util.CheckUtil;
import com.opslab.util.PropertiesUtil;
import com.sun.management.OperatingSystemMXBean;
import java.lang.management.ManagementFactory;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.InterfaceAddress;
imp... | __label__POS | 0.996512 |
package com.opslab.helper;
import com.opslab.Opslab;
/**
* 十六进制字符串相关的一些操作
*/
public class HexStrHelper {
private static String CHARS_HEX = "0123456789ABCDEF";
private static char[] HEX_CHARS = "0123456789ABCDEF".toCharArray();
/**
* @return
* @MethodName
* @Author liaowenxiong
* @De... | __label__POS | 0.998046 |
package com.opslab.helper;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import java.io.*;
/**
* 一些pdf的操作
*/
public class PdfHelper {
/**
* Description: 将base64编码内容转换为Pdf
*
* @param base64编码内容，文件的存储路径（含文件名）
*/
public static void base64StringToPdf(String base64Content, St... | __label__POS | 0.980647 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.util.StringUtil;
import com.opslab.util.web.URIPart;
import javax.servlet.http.HttpServletRequest;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
impor... | __label__POS | 0.916502 |
package com.opslab.helper;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Description:
* 封装一些正则相关的操作
*/
public final class RegHepler {
/**
* Alphanumeric characters
*/
public static final String REG_ALNUM = "\\p{Alnum}";
/**
* Alphabetic characters
*/
pub... | __label__POS | 0.999975 |
package com.opslab.helper;
import com.opslab.Opslab;
import com.opslab.util.CheckUtil;
import com.opslab.util.algorithmImpl.BCConvert;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.ut... | __label__POS | 0.999781 |
package com.opslab.helper;
import com.opslab.functions.ObjectHandler;
import com.opslab.functions.ObjectProcess;
import com.opslab.util.CheckUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
/**
* 集合对象的一些助手工具类
*/
public final class CollectionHelper {
private static Logger logge... | __label__POS | 0.999895 |
package com.opslab.helper;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* 提供一些数字相关的常规操作
*/
public class NumberHelper {
/**
* 默认除法运算精度
*/
private static final int DEF_DIV_SCALE = 10;
/**
* 提供精确的加法运算。
*
* @param v1 被加数
* @param v2 加数
* @return 两个参数的和
... | __label__POS | 0.999175 |
package com.opslab.helper;
import java.util.Set;
/**
* 一些中文相关的帮助类
*/
public class ZhCnHepler {
/**
* 数字金额大写转换 先写个完整的然后将如零拾替换成零
*
* @param n 数字
* @return 中文大写数字
*/
public static String digitUppercase(double n) {
String[] fraction = {"角", "分"};
String[] digit = {"零", "... | __label__POS | 0.998632 |
package com.opslab.helper;
import com.opslab.Opslab;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import ja... | __label__POS | 0.99402 |
// 10.exercise.01.cpp
//
// Write a program that produces the sum of all the numbers in a file of
// whitespace-separated integers.
//
// COMMENTS
//
// I could have done file reading and sum in the same step, without storaging
// numbers in a vector, but I decide to separate it. For a simple task as this
// it se... | __label__POS | 0.952423 |
package com.opslab.util.algorithmImpl;
import com.opslab.bean.BeanStruct;
import com.opslab.util.CheckUtil;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
impor... | __label__POS | 0.944516 |
package com.opslab.util.algorithmImpl;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* 利用文件头来实现的一些文件类型的方法封装
*/
public class FileTypeImpl {
public final static Map<String... | __label__POS | 0.993238 |
// 10.drill.02.cpp
//
// Using the code and discussion in §10.4, prompt the user to input seven
// (x,y) pairs. As the data is entered, store it in a vector of Points called
// original_points.
//
// COMMMENTS
//
// I don't know if I must simply ask the user for seven Points or enforce it.
// I will enforce.
// W... | __label__POS | 0.858026 |
package com.opslab.util.algorithmImpl;
import com.opslab.util.StringUtil;
/**
* 提供对字符串的全角->半角，半角->全角转换
*/
public class BCConvert {
/**
* ASCII表中可见字符从!开始，偏移位值为33(Decimal)
*/
static final char DBC_CHAR_START = 33; // 半角!
/**
* ASCII表中可见字符到~结束，偏移位值为126(Decimal)
*/
static final cha... | __label__POS | 0.995511 |
package com.opslab.util.algorithmImpl;
import com.opslab.util.CheckUtil;
import com.opslab.util.FileUtil;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.charset.UnsupportedCharsetException;
import java.util.List;
/**
* 文件编码相关的一些工具函数
*/
public class FileEncodingUtil {
/**
* 把指定文件或目录转换成指... | __label__POS | 0.999243 |
package com.opslab.util.algorithmImpl;
import java.io.*;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/**
* 封装了集中常用的文件读的方法
*/
public class FileReadImpl {
/**
* 利用FileChannel直接实现文件的对拷,对于大文件速度特别明显
*
* @param source
* @param target
*/
public static void copyFileWi... | __label__POS | 0.996904 |
package com.opslab.util.algorithmImpl;
import com.opslab.Opslab;
import com.opslab.helper.SysHepler;
import java.io.UnsupportedEncodingException;
/**
* 对比俩个字符串的相似度
*/
public class StringImpl {
//第一种实现方式
private static String longestCommonSubstring(String strA, String strB) {
char[] chars_strA = str... | __label__POS | 0.998736 |
#include "awiki.h"
Window*
newwindow(void)
{
char buf[12];
Window *w;
w = emalloc(sizeof(Window));
w->ctl = open("/mnt/wsys/new/ctl", ORDWR|OCEXEC);
if(w->ctl<0 || read(w->ctl, buf, 12)!=12)
error("can't open window ctl file: %r");
ctlprint(w->ctl, "noscroll\n");
w->id = atoi(buf);
w->event = winopenfile(w,... | __label__POS | 0.787244 |
package com.opslab.util.image;
import com.opslab.util.FileUtil;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import java.awt.*;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.i... | __label__POS | 0.989428 |
package com.opslab.util.image;
import com.opslab.util.encrypt.Base64Ext;
import com.opslab.util.image.GIF.GifEncoder;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.Random;
/**
* 具体用于实现生成验证码图片的方法
*/
public final class CaptchaUtil {
prote... | __label__POS | 0.943598 |
package com.opslab.util.image;
import java.awt.*;
import java.awt.image.BufferedImage;
/**
* 图片相关的操作类
*/
public final class ImageUtil {
/**
* 重新设定图像的长高宽
*
* @param originalImage 图像数据
* @param width 宽
* @param height 高
* @return
*/
public static BufferedImag... | __label__POS | 0.999391 |
package com.opslab.util.image;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
/**
* 图片比较
*/
public final class ImageCompare {
private static Logger logger = LoggerFactory.getLogger(ImageCompare.class);
/**
... | __label__POS | 0.950508 |
package com.opslab.util.image;
import java.util.Random;
/**
* 生成图片验证码
*/
public final class ImageCaptcha {
//指定图片的宽度
private static int width = 200;
//指定图片的高度
private static int height = 40;
//指定所以的字符
public static String CHAR = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ... | __label__POS | 0.999614 |
#include "awiki.h"
void*
emalloc(uint n)
{
void *p;
p = malloc(n);
if(p == nil)
error("can't malloc: %r");
memset(p, 0, n);
return p;
}
char*
estrdup(char *s)
{
char *t;
t = emalloc(strlen(s)+1);
strcpy(t, s);
return t;
}
char*
estrstrdup(char *s, char *t)
{
char *u;
u = emalloc(strlen(s)+strlen(t)+1... | __label__POS | 0.803334 |
// 10.exercise.09.cpp
//
// Write a program that takes two files containing sorted whitespace-separated
// words and merges them, preserving order.
#include "std_lib_facilities.h"
void get_words(const string& name, vector<string>& words)
{
ifstream ist{name};
if (!ist) error("Unable to open input file ", na... | __label__POS | 0.795739 |
#pragma lib "libflate.a"
#pragma src "/sys/src/libflate"
/*
* errors from deflate, deflateinit, deflateblock,
* inflate, inflateinit, inflateblock.
* convertable to a string by flateerr
*/
enum
{
FlateOk = 0,
FlateNoMem = -1,
FlateInputFail = -2,
FlateOutputFail = -3,
FlateCorrupted = -4,
FlateInternal... | __label__POS | 0.907063 |
package com.opslab.util.encrypt;
import com.opslab.Opslab;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.IvParameterSpec;
import java.security.Key;
/**
* Created by 0opslab
*/
public class DESUtil {
// 向量
private final st... | __label__POS | 0.993565 |
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <thread.h>
#include "win.h"
Window*
newwindow(void)
{
char buf[12];
Window *w;
w = emalloc(sizeof(Window));
w->ctl = open("/mnt/wsys/new/ctl", ORDWR|OCEXEC);
if(w->ctl<0 || read(w->ctl, buf, 12)!=12)
error("can't open window ctl file: %r");
ctlprint(w... | __label__POS | 0.754942 |
package com.opslab.util.encrypt;
import com.opslab.Opslab;
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;... | __label__POS | 0.938553 |
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <thread.h>
#include <plumb.h>
#include "dat.h"
Window*
newwindow(void)
{
char buf[12];
Window *w;
w = emalloc(sizeof(Window));
w->ctl = open("/mnt/wsys/new/ctl", ORDWR|OCEXEC);
if(w->ctl<0 || read(w->ctl, buf, 12)!=12)
error("can't open window ctl file... | __label__POS | 0.729232 |
package com.opslab.util.encrypt;
import com.opslab.Opslab;
import javax.crypto.Cipher;
import java.io.ByteArrayOutputStream;
import java.security.*;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X50... | __label__POS | 0.989248 |
package com.opslab.util.encrypt;
import com.opslab.Opslab;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
/**
* Base64的编码和解码
*/
public final class Base64 {
private static final char[] CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray();
private st... | __label__POS | 0.930848 |
package com.opslab.util.encrypt;
/**
* Blowfish加密算法Java实现
*/
public class Decode {
/**
* 比较安全的字符串转换
*
* @param str
* @return
*/
public static String str2HexStr(String str) {
char[] chars = "0123456789ABCDEF".toCharArray();
StringBuilder sb = new StringBuilder("");
... | __label__POS | 0.999123 |
package com.opslab.util.ftp;
import com.opslab.util.CheckUtil;
import com.opslab.util.FileUtil;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.uti... | __label__POS | 0.991282 |
package com.opslab.util.ftp;
import com.opslab.Opslab;
import java.util.HashMap;
import java.util.Map;
/**
* FTP相关的一些配置
*/
public class FTPConstant {
/**
* FTP状态码及其描述
*/
public static Map<Integer, String> REPLYCODE = new HashMap<Integer, String>();
//用于编码转换
private static String ISO_ECODI... | __label__POS | 0.99639 |
package com.opslab.util.ftp;
import org.apache.commons.net.ftp.FTPClient;
import java.io.File;
import java.util.List;
import java.util.Map;
/**
* FTP工具类
*
* @require apache-commons-net.jar.
*/
public interface FTPUtil {
//判断远程文件是否存在
public boolean isExists(String fileName);
//下载远程文件
public bool... | __label__POS | 0.999842 |
package com.opslab.util.web;
import com.opslab.util.CharUtil;
/**
* Enumeration to identify the parts of a URI.
* <p/>
* Contains methods to indicate whether a given character is valid in a specific URI component.
*
* @see <a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986</a>
*/
public enum URIPart {
... | __label__POS | 0.993416 |
// 9.exercise.13.Math.cpp
#include "9.exercise.13.Math.h"
namespace Math {
// Math functions
int gcd(int a, int b)
// Find greatest common divisor by Euclidean algorithm
// See: https://en.wikipedia.org/wiki/Euclidean_algorithm
{
a = abs(a); // we need natural (positive numbers)
b = abs(b);
if (b > ... | __label__POS | 0.645915 |
// 9.exercise.10.cpp
//
// Implement leapyear() from §9.8.
//
// COMMMENTS
//
// This is easy as we can get the algorithm from the Wikipedia
// (https://en.wikipedia.org/wiki/Leap_year):
//
// Every year that is exactly divisible by four is a leap year, except for
// years that are exactly divisible by 100... | __label__POS | 0.641267 |
#include "std_lib_facilities.h"
int main()
{
double total {0};
cout << "Look your pocket!\nHow many pennies do you have? ";
int pennies {0};
cin >> pennies;
total += pennies;
cout << "How many nickels do you have? ";
int nickels {0};
cin >> nickels;
total += nickels*5;
co... | __label__POS | 0.990851 |
#include "std_lib_facilities.h"
int main()
{
cout << "Enter the name of the person you want to write to: ";
string first_name {" "};
cin >> first_name;
cout << "Enter the age of this person: ";
int age {0};
cin >> age;
if (age <= 0 || age >= 110)
simple_error("you're kidding!");
... | __label__POS | 0.872986 |
// 6.exericise.09.cpp
//
// Write a program that reads digits and composes them into integers. For
// example, 123 is read as the characters 1, 2 and 3. The program should output
// 123 is 1 hundred and 2 tens and 3 ones. The number should be output as an
// int value. Handle numbers with one, two, three, or four digit... | __label__POS | 0.770311 |
// 6.exercise.04.cpp
//
// Define a class Nmae_value that holds a string and a value. Rework exercise 19 in
// chapter 4 to use vectoe<Name_value> instead of two vectors.
//
// 4.exercise.19.cpp
//
// Write a program where you first enter a set of name-and-value pairs, such as
// Joe 17 and Barbara 22. For each pair... | __label__POS | 0.652197 |
// 4.exercise.03.cpp
//
// Read a sequence of double values into a vector. Think of each value as the
// distance between two cities along a given route. Compute and print the total
// distance (the sum of all distances). Find and print the smallest and
// greatest distance between two neighboring cities. Find and prin... | __label__POS | 0.955973 |
// 4.exercise.14.cpp
//
// Modify the program described in the previous exercise to take an input value
// max and then find all prime numbers from 1 to max.
//
// Previous exercise:
//
// Create a program to find all the prime numbers between 1 and 100. There is
// a classic method for doing this, called "Sieve of Era... | __label__POS | 0.748341 |
// 4.exercise.20.cpp
//
// Modify the program from exercise 19 so that when you enter a name, the
// program will output the corresponding score or 'name not found'.
#include "std_lib_facilities.h"
bool name_in(string name, vector<string> names) {
bool retval {false};
for (string x : names)
if (x ==... | __label__POS | 0.908684 |
// 4.exercise.13.cpp
//
// Create a program to find all the prime numbers between 1 and 100. There is
// a classic method for doing this, called "Sieve of Eratosthenes". If you
// don't know that method, get on the web and look it up. Write your program
// using this method.
//
// Comments:
// The method (as stated by... | __label__POS | 0.647561 |
// 4.exercise.17.cpp
//
// Write a program that finds the min, max and the mode of a sequence of
// strings.
#include "std_lib_facilities.h"
int main()
{
vector<string> sample;
cout << "Write a series of strings (end the input with Ctrl+D): ";
string element {""};
while (cin >> element)
sampl... | __label__POS | 0.995096 |
// 4.exercise.06.cpp
//
// Make a vector holding ten string values "zero", "one", ... "nine".
// Use that in a program that converts a digit to its corresonding
// spelled-out value; e.g. the input 7 gives the output seven. Hava
// the same program, using the same input loop, convert spelled-out
// numbers into their d... | __label__POS | 0.947334 |
// 4.exercise.09.cpp
//
// Try to calculate the number of rice grains that the inventor asked for in
// exercise 8 above. You'll find that the number is so large that it won't
// fit in an int or a double. Observe what happens when the number gets too
// large to represent exactly as an int and as a double. What is the... | __label__POS | 0.99229 |
G 0
l 5.150 5.810 5.150 5.400
a 5.630 5.810 5.400 5.670 5.150 5.810
a 5.630 5.810 5.400 5.950 5.150 5.810
l 5.630 5.810 5.630 5.400
a 5.630 5.400 5.400 5.260 5.150 5.400
;
G 1
l 6.260 4.290 6.260 3.810
l 6.120 4.190 6.400 4.190
l 6.120 4.090 6.400 4.090
;
G 2
c 3.270 4.090 0.250
t 3.270 4.090 pelm,unicode,9 Term
;
G 3
... | __label__POS | 0.953682 |
// 4.exercise.11.cpp
//
// Create a program to find all the prime numbers between 1 and 100. One way to
// do this is to write a function that will check if a number is prime (i.e.,
// see if the number can be divided by a prime number smaller than itself)
// using a vector of primes in order (so that if the vector is ... | __label__POS | 0.996021 |
// 4.exercise.18.cpp
//
// Write a program to solve quadratic equations. A quadratic equation is of the
// form: ax^2 + bx + c = 0
// If you don't know the quadratic formula for solving such an expression, do
// some research. Remenber, researching how to solve a problem is often
// necessary before a programmer can... | __label__POS | 0.8787 |
// 4.exercise.16.cpp
//
// In the drill, you wrote a program that, given a series of numbers, found the
// max and min of that series. The number that appears the most times in
// a sequence is called the mode. Create a program that finds the mode of a set
// of positive integers.
#include "std_lib_facilities.h"
int ... | __label__POS | 0.990808 |
// 4.exercise.21.cpp
//
// Modify the program from exercise 19 so that when you enter an integer, the
// program will output all the names with that score or score not found.
#include "std_lib_facilities.h"
bool name_in(string name, vector<string> names) {
bool retval {false};
for (string x : names)
... | __label__POS | 0.790487 |
// 4.exercise.15.cpp
//
// Write a program that takes an input value n and then finds the first
// n primes.
//
// Comments:
// I don't think that the Sieve of Eratosthenes is useful in this problem.
// We need to simply iterate over natural numbers testing them being prime or
// not, until we found the desired numb... | __label__POS | 0.999586 |
// 4.exercise.05.cpp
//
// Write a program that performs as very simple calculator. Your calculator
// should be able to handle the four basic math operations - add, substract,
// multiply, and divide - on two input values. Your program should prompt the
// user to enter three arguments: two double values and a charact... | __label__POS | 0.927888 |
本文来自 [Mike Ash](https://www.mikeash.com/) 的 [NSObject: the Class and the Protocol](https://mikeash.com/pyblog/friday-qa-2013-10-25-nsobject-the-class-and-the-protocol.html) ，主要是关于 Objective C 为什么会有叫 `NSObject` 的 class 和 protocol.
----
Reader Tomas Bouda 问：`NSObject` protocol 什么鬼？Cocoa 中有两个 NSObjects，一个 class 和一个 pro... | __label__POS | 0.989627 |
// 4.exercise.04.cpp
//
// Write a program to play a numbers guessing game. The user thinks of a number
// between 1 and 100 and your program ask questions to figure out what the
// number is (e.g., "Is the number you are thinking of less than 50?"). Your
// program should be able to identify the number after asking no... | __label__POS | 0.710409 |
本文来自 [Mike Ash](https://www.mikeash.com/) 的 [Objective-C Message Forwarding](https://www.mikeash.com/pyblog/friday-qa-2009-03-27-objective-c-message-forwarding.html)，主要介绍的是 Objective-C 的消息转发机制。
----
Yuji Tachikawa 建议说说 `@dynamic` properties 的工作机制，接下来我将谈谈这个，并将话题扩展到更普遍的消息转发机制。
### No Such Method
上周我介绍了下 Objective-C ... | __label__POS | 0.776007 |
// 4.exercise.19.cpp
//
// Write a program where you first enter a set of name-and-value pairs, such as
// Joe 17 and Barbara 22. For each pair, add the name to a vector called names
// and the numbers to a vector called scores (in corresponding positions, so
// that if names[7]=="Joe" the scores[7]==17). Terminate inp... | __label__POS | 0.916951 |
// 5.exercise.10.cpp
//
// Write a program that writes out the first so many values of the Fibonacci
// series, that is, the series that starts with 1 1 2 3 5 8 13 21 34. The next
// number of the series is the sum of the two previous ones. Find the largest
// Fibonacci nomber that fits in an int.
//
// Comments:
// S... | __label__POS | 0.720046 |
// 5.exercise.09.cpp
//
// Modify the program from exercise 8 to write an error if the result cannot be
// represented as an int
//
// Comments:
// In Linux I test this program with:
//
// ( (( N = RANDOM/32 )); echo $N; for i in $(seq $RANDOM); do echo (( RANDOM
// - 16536 )); done; echo '|' ) | ./a.out
//
// It... | __label__POS | 0.731025 |
// 5.exercise.03.cpp
//
// Absolute zero is the lowest temperature that can be reached; it's -273.15
// ºC, or 0K. The above program, even when corrected, will produce erroneous
// results when given a temperature below this. Place a check in the main
// program that will produce an error if a temperature is given bel... | __label__POS | 0.782659 |
// 5.10.1.try_this.cpp
//
// Find a pair of values so that the pre-condition of this version of area
// holds, but the post-condition doesn't
//
// Comments:
// As stated in 5.5.3.try_this.cpp, depending on the representational range of
// int type, the product of two positive int variables could result, by
// overf... | __label__POS | 0.933873 |
// 5.exercise.08.cpp
//
// Write a program that reads and stores a series of integers and then computes
// the sum of the first N integers. First ask for N, then read de values into
// a vector, then calculate the sum of the first N values. For example:
//
// "Please enter the number of values you want to sum:"
//
// ... | __label__POS | 0.735336 |
// 8.exercise.04.cpp
//
// An int can hold integers only up to a maximum number. Find an approximation
// of that maximum number by using fibonacci().
//
// COMMENTS
//
// As done in previous exercise I don't check for sign on x and y arguments of
// fibonacci(). This lets me approximate also the minimum number ... | __label__POS | 0.717889 |
// 8.exercise.09.cpp
//
// Write a function that given two vector<double>s price and weight computes a
// value (an "index") that is the sum of all price[i]*weight[i]. Make sure to
// have a weight.size()==price.size().
#include "std_lib_facilities.h"
double index(const vector<double>& u, const vector<double>& v)
... | __label__POS | 0.980327 |
# Filter内存马
Filter，顾名思义，是过滤器，在请求到达Servlet前对请求进行过滤和处理。
如图，请求会先到达Filter，最后再传递给Servlet。
我们先定义一个Filter
```java
package com.example.memshell;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpFilter;
import jakarta... | __label__POS | 0.63773 |
import com.sun.tools.attach.VirtualMachine;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.security.ProtectionDomain;
public class test {
public static void main(String[] args) throws Exception{
String pid = getPID("org.apache.catalina.startup.Bootstrap")... | __label__POS | 0.987412 |
package com.example.demo.demos.web;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework... | __label__POS | 0.905853 |
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