原因Q?/span>
内存参数默认的不适合当前机器的实际内存大。一般情况下是默认的大于当前机器能够分配lsql developer的大了?br />
ҎQ?/span>
~辑文gQsqldeveloper\jdev\bin\sqldeveloper.conf 文gQ?其中增加一行：
AddVMOption -Xmx512M
参考：
http://blog.csdn.net/sqs201/article/details/7280400
http://loveboth.iteye.com/blog/1520631
]]>
首先声明Q此Ҏ不是我所发明。所以我在这里只是一个{q者?/span>
所谓暴力，x通过普通方法无法完成而选用的下下策?br />
Ҏ原理是通过手工d配置信息来进行强行安装插件。（我目前只试了SVN的插Ӟ至于其他的插件则无法保证Q?br />
CZQ?/span>
向MyEclipse8.6中安装SVN插g?br />
准备工作Q?/span>
1Q下载site-1.6.18.zip文g?br /> 2Q插仉|代码生成器QPluginConfigCreator.javaQ?br /> 3Q备份MyEclipse-8.6\configuration 文g?br />
步骤Q?/span>
1Q根据个人的开发习惯来安排site-1.6.18.zip中的文g
2Q用“插g配置代码生成?#8221;来生成指定目录下所包含的插件的配置信息
3Q把配置信息写入到configuration\org.eclipse.equinox.simpleconfigurator目录下的bundles.info?br />
最后再来展C?/span>PluginConfigCreator.java源码。（Z~译方便Q所以没有采?#8220;昄行号”的样式）
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* 9. * MyEclipse9 插g配置代码生成?nbsp;10. * 11. * 12.
*/
public class PluginConfigCreator {
public PluginConfigCreator() {
}
public void print(String path) {
List<String> list = getFileList(path);
if (list == null) {
return;
}
int length = list.size();
for (int i = 0; i < length; i++) {
String result = "";
String thePath = getFormatPath(getString(list.get(i)));
File file = new File(thePath);
if (file.isDirectory()) {
String fileName = file.getName();
if (fileName.indexOf("_") < 0) {
print(thePath);
continue;
}
String[] filenames = fileName.split("_");
String filename1 = filenames[0];
String filename2 = filenames[1];
result = filename1 + "," + filename2 + ",file:/" + path + "\\"
+ fileName + "\\,4,false";
System.out.println(result);
} else if (file.isFile()) {
String fileName = file.getName();
if (fileName.indexOf("_") < 0) {
continue;
}
int last = fileName.lastIndexOf("_");// 最后一个下划线的位|?/span>
String filename1 = fileName.substring(0, last);
String filename2 = fileName.substring(last + 1, fileName
.length() - 4);
result = filename1 + "," + filename2 + ",file:/" + path + "\\"
+ fileName + ",4,false";
System.out.println(result);
}
}
}
public List<String> getFileList(String path) {
path = getFormatPath(path);
path = path + "/";
File filePath = new File(path);
if (!filePath.isDirectory()) {
return null;
}
String[] filelist = filePath.list();
List<String> filelistFilter = new ArrayList<String>();
for (int i = 0; i < filelist.length; i++) {
String tempfilename = getFormatPath(path + filelist[i]);
filelistFilter.add(tempfilename);
}
return filelistFilter;
}
public String getString(Object object) {
if (object == null) {
return "";
}
return String.valueOf(object);
}
public String getFormatPath(String path) {
path = path.replaceAll("\\\\", "/");
path = path.replaceAll("//", "/");
return path;
}
public static void main(String[] args) {
/* 你的插g的安装目?nbsp;Q切记文件分隔符Q?nbsp;*/
String plugin = "D:\\Project\\Tools\\Java\\SDK\\Genuitec\\MyEclipse-8.6\\third-plugin\\site-1.6.18";
new PluginConfigCreator().print(plugin);
}
}
import java.util.ArrayList;
import java.util.List;
/**
* 9. * MyEclipse9 插g配置代码生成?nbsp;10. * 11. * 12.
*/
public class PluginConfigCreator {
public PluginConfigCreator() {
}
public void print(String path) {
List<String> list = getFileList(path);
if (list == null) {
return;
}
int length = list.size();
for (int i = 0; i < length; i++) {
String result = "";
String thePath = getFormatPath(getString(list.get(i)));
File file = new File(thePath);
if (file.isDirectory()) {
String fileName = file.getName();
if (fileName.indexOf("_") < 0) {
print(thePath);
continue;
}
String[] filenames = fileName.split("_");
String filename1 = filenames[0];
String filename2 = filenames[1];
result = filename1 + "," + filename2 + ",file:/" + path + "\\"
+ fileName + "\\,4,false";
System.out.println(result);
} else if (file.isFile()) {
String fileName = file.getName();
if (fileName.indexOf("_") < 0) {
continue;
}
int last = fileName.lastIndexOf("_");// 最后一个下划线的位|?/span>
String filename1 = fileName.substring(0, last);
String filename2 = fileName.substring(last + 1, fileName
.length() - 4);
result = filename1 + "," + filename2 + ",file:/" + path + "\\"
+ fileName + ",4,false";
System.out.println(result);
}
}
}
public List<String> getFileList(String path) {
path = getFormatPath(path);
path = path + "/";
File filePath = new File(path);
if (!filePath.isDirectory()) {
return null;
}
String[] filelist = filePath.list();
List<String> filelistFilter = new ArrayList<String>();
for (int i = 0; i < filelist.length; i++) {
String tempfilename = getFormatPath(path + filelist[i]);
filelistFilter.add(tempfilename);
}
return filelistFilter;
}
public String getString(Object object) {
if (object == null) {
return "";
}
return String.valueOf(object);
}
public String getFormatPath(String path) {
path = path.replaceAll("\\\\", "/");
path = path.replaceAll("//", "/");
return path;
}
public static void main(String[] args) {
/* 你的插g的安装目?nbsp;Q切记文件分隔符Q?nbsp;*/
String plugin = "D:\\Project\\Tools\\Java\\SDK\\Genuitec\\MyEclipse-8.6\\third-plugin\\site-1.6.18";
new PluginConfigCreator().print(plugin);
}
}
׃以上源码采用的是控制台输Z息的方式Q所以不方便采集。不q，我们可以通过一个DOS命o来解册个问题?br />
C:\bin>java PluginConfigCreator > c:\config.txt
“>”命o可以q行单的IO输出。这里则是把输出信息保存到C盘下的一个名为config的文本文件中?br />
原文Q?/u>
http://heisetoufa.iteye.com/blog/994724
]]>
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;
public class MyEclipseGen {
private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";
public String getSerial(String userId, String licenseNum) {
java.util.Calendar cal = java.util.Calendar.getInstance(); cal.add(1, 3); cal.add(6, -1); java.text.NumberFormat nf = new java.text.DecimalFormat("000"); licenseNum = nf.format(Integer.valueOf(licenseNum)); String verTime = new StringBuilder("-").append( new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime())) .append("0").toString(); String type = "YE3MP-"; String need = new StringBuilder(userId.substring(0, 1)).append(type) .append("300").append(licenseNum).append(verTime).toString(); String dx = new StringBuilder(need).append(LL).append(userId) .toString(); int suf = this.decode(dx); String code = new StringBuilder(need).append(String.valueOf(suf)) .toString(); return this.change(code);
} private int decode(String s) { int i; char[] ac; int j; int k; i = 0; ac = s.toCharArray(); j = 0; k = ac.length; while (j < k) { i = (31 * i) + ac[j]; j++; } return Math.abs(i); } private String change(String s) { byte[] abyte0; char[] ac; int i; int k; int j; abyte0 = s.getBytes(); ac = new char[s.length()]; i = 0; k = abyte0.length; while (i < k) { j = abyte0[i]; if ((j >= 48) && (j <= 57)) { j = (((j - 48) + 5) % 10) + 48; } else if ((j >= 65) && (j <= 90)) { j = (((j - 65) + 13) % 26) + 65; } else if ((j >= 97) && (j <= 122)) { j = (((j - 97) + 13) % 26) + 97; } ac[i] = (char) j; i++; } return String.valueOf(ac); } public MyEclipseGen() { super(); } public static void main(String[] args) { try { System.out.println("please input register name:"); BufferedReader reader = new BufferedReader(new InputStreamReader( System.in)); String userId = null; userId = reader.readLine(); MyEclipseGen myeclipsegen = new MyEclipseGen(); String res = myeclipsegen.getSerial(userId, "5"); System.out.println("Serial:" + res); // reader.readLine(); reader.close(); } catch (IOException ex) { } }
}=======================================
Z方便Q所以随机算Z几个注册码?/span>
helloabc
uLR8ZC-855550-68587656888852180
lovemusic
yLR8ZC-855550-6858765615342651
amena
nLR8ZC-855550-6858765357860085
]]>
2Q这U方式治标不L?/span>
刚开始还是老办法，到疑难杂症先去搜烦看看Q看了几文章说是什么把eclipse的启动参数的内存DQ也试了下，基本没有太大作用Q只好接着搜烦Q还好运气不错，扑ֈ了一文章?br />
摘录如下Q?br /> 删除\Eclipse\configuration下除config以外的文Ӟ重新启动?br />
原文出处Q?/span>
http://yanghaiskys.javaeye.com/blog/252742
Ҏ他的修改ҎQ我个h觉得只要不是本n的文件物理损坏或丢失Q一般都是跟配置文g有关Q所以最单的是上面所提到的这U方案，非常快捷Q不q丢失配|文Ӟ需要重新徏立，但是如果配置Ҏ不多的话Q应该优先选择该方案?/span>
]]>
安装Q?span style="background-color: #c0c0c0">service.bat install
卸蝲Q?span style="background-color: #c0c0c0">service.bat remove
]]>
Configure->Workspace->Start up ----- At Startup=None
2 昄行号
Configure->Editor->Java->Compatibility ----- Show line numbers
3 dW三方类
Project->Project Settings->Required Libraries->New 注意选择完后一定要q行N该cd
---׃IDE只对"class"文g复制到执行目录，所以如果项目中有其他文件的话，可以创徏一个src包，然后
指向你的目的源文g夹，q样执行Ӟ它就会在"class"?span style="color: #ff0000">"src"文g夹下同时查找Q你也不必自׃个个
的去复制那些单独的文件?/p>
4 昄目文g
有时候，你无意当中在单个文g的右键菜单中执行?span style="color: #ff0000">"Exclude From Project"Q导致文件从当前的目录结构中
L了，q时Q?span style="background-color: #c0c0c0">Project->Show All Files q时Q整个项目的"l构"都显现出来了Q然后在目标源文件上单击
右键Q在弹出来的菜单上选择"Include From Project"Q这Ӟ目标文gpd到目录结构中。最后还必须
?Show All Files"上的单选勾LQ这样那些目录结构中只会显C那些选择的文件?/p>
5 在控制台下观察结?/span>
1)Project->Project Settings->JDK Tools Select Tool Type=Run Application
2) Default->Edit->Command->Show command line
3Q去掉Capture output
]]>