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RSS订阅原创 Installation error: INSTALL_FAILED_UPDATE_INCOMPATIBLE
eclipse调试安装时报错：Installation error: INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package xxxxxxxxxxxxxxxxxxxxxxxx signatures do not match the previously installed version; ignoring!原因签名不同了。 使用adb unins...
2017-04-05 22:27:54
481
原创 grails-2.4.4 + java1.8.0_45 报错
grails-2.4.4 + java1.8.0_45 报错：Problems copying method. Incompatible JVM?改用java1.7 OK groovy-grails-tool-suite-3.6.4.RELEASE-e4.4.2-win32
2017-03-16 14:15:46
407
原创 windows load a DLL from memory
https://github.com/fancycode/MemoryModule https://github.com/fdiskyou/malware
2016-07-12 08:42:01
349
原创 vc++ capture exception
最简单的方法直接集成BugTrap:http://www.codeproject.com/Articles/14618/Catch-All-Bugs-with-BugTraphttps://github.com/bchavez/BugTrap https://msdn.microsoft.com/en-us/library/windows/desktop/bb204633(v=v...
2016-06-22 10:44:49
214
原创 Interlocked Variable Access
Add, And, Or, Xor, BitTestAndComplement, BitTestAndReset, BitTestAndSet, CompareExchange, Exchange, ExchangeAdd, Increment, Decrement, https://msdn.microsoft.com/zh-cn/data/ms684122htt...
2016-06-13 10:48:18
195
原创 RxJava subscribeOn and observeOn
The SubscribeOn operator changes this behavior by specifying a different Scheduler on which the Observable should operate. The ObserveOn operator specifies a different Scheduler that the Observabl...
2016-04-27 11:43:44
146
原创 mesos + marathon + zookeeper in one vagrant
虚拟机使用ubuntu/trusty64镜像vagrant init ubuntu/trusty64vagrant up启动后安装docker, 参见https://docs.docker.com/engine/installation/linux/ubuntulinux/# docker versionVersion: 1.10.3 拉取mesos...
2016-04-20 11:55:41
183
原创 java.security.NoSuchAlgorithmException: DES SecretKeyFactory not available
Eclipse Java EE IDE for Web Developers. Version: Juno Service Release 2 Build id: 20130225-0426apache-tomcat-7.0.42jdk1.6.0_38调试一个web程序，SecretKeyFactory keyFactory = SecretKeyFactory.getInstan...
2016-04-15 12:42:24
1443
原创 cas自定义登录异常
cas版本4.0 定义异常类com.xxx.MyLoginException在认证时根据实际情况抛出MyLoginException：public class MyDatabaseAuthenticationHandler extends AbstractJdbcUsernamePasswordAuthenticationHandler { /** {@inheritDo...
2016-03-23 11:18:41
626
原创 rust中的ownership, references-and-borrowing, ifetimes
We call the &T type a ‘reference’, and rather than owning the resource, it borrows ownership error: cannot borrow `v` as mutable more than once at a time [E0499]fn main() { let mut v...
2016-03-17 09:31:48
171
原创 android 当ListView滚动时自动调用 onCheckedChanged 导致CheckBox 状态不停变化
http://blog.sina.com.cn/s/blog_93bca7340102uzmq.html final CheckBox cb = (CheckBox)view.findViewById(R.id.checkBox1);cb.setOnCheckedChangeListener(null);cb.setChecked(mSelectedItems.getBoole...
2016-02-24 09:53:40
188
原创 Java Atomic Access
http://docs.oracle.com/javase/tutorial/essential/concurrency/atomic.html Reads and writes are atomic for reference variables and for most primitive variables (all types except long and double)....
2015-11-30 16:41:57
143
原创 golang的http关闭问题
测试版本go1.4.2 resp, err := http.Get("http://example.com/") if resp != nil { defer resp.Body.Close() } if err != nil { fmt.Println("err: ", err) return } _, err = ioutil.ReadA...
2015-07-02 15:08:49
832
原创 使用Docker registry镜像创建私有仓库
#文件存储在/root/my_registrydocker run -d -p 5000:5000 -v /root/my_registry:/tmp/registry --name registry registrydocker pull nginxdocker tag nginx 172.16.41.200:5000/nginxdocker push 172.16.41.2...
2015-04-09 15:29:14
204
原创 golang misc
ch1 := make(chan string) fmt.Println("1@", time.Now()) for { select { case <-ch1: fmt.Println("2@", time.Now()) case <-time.After(time.Second * 3): fmt.Println("3@", ti...
2015-03-19 15:24:26
194
原创 ios misc
gen_entitlements.py: No such file or directoryhttp://blog.sina.com.cn/s/blog_63e26d560100ve0c.html 图标https://developer.apple.com/library/ios/qa/qa1686/_index.html 百度定位(v2.4.1)ios8问题htt...
2014-10-04 15:58:04
131
原创 simple test QT and libvlc
win7 32位系统测试：Qt Creator向导创建GUI程序增加libvlc播放代码修改工程文件(pro)增加vlc头文件路径和liblibvlc.dll,libvlccore.dll,plugins拷贝到debug或release目录运行参考: http://blog.chinaunix.net/uid-26611383-id-3789962.html...
2014-05-14 16:44:06
107
原创 android AlarmManager
http://developer.android.com/reference/android/app/AlarmManager.html The Alarm Manager holds a CPU wake lock as long as the alarm receiver's onReceive() method is executing. This guarantees that ...
2014-02-11 14:04:12
82
原创 swig/java
摘自 http://www.swig.org/translations/chinese/tutorial.html /* File : example.c */ #include <time.h> double My_variable = 3.0; int fact(int n) { if (n <= 1) return 1;...
2014-02-08 09:51:12
122
原创 (zz071007)GetLastError()错误信息
LPSTR lpBuffer; DWORD nErrorNo = GetLastError ( );FormatMessage ( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM, ...
2014-01-16 22:19:17
81
原创 (zz071028)用PHP以16进制显示文件
<?phpif( count($argv) < 2 ){print "usage: $argv[0] filename";return;}$filename = $argv[1];$filesize = filesize( $filename );$file = fopen( $filename, 'rb');$contents = fread($f...
2014-01-16 22:18:09
444
原创 zz070531计算帧率
/* calculate the frame rate: frame rate = (sample count * media time scale) / media duration*/frameRate = sampleCount*(double)timeScale/(double)duration;
2014-01-16 22:13:36
98
原创 Exceptions
org.codehaus.jackson.map.JsonMappingException: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer (to avoi...
2013-12-11 11:50:26
101
原创 maven package
把资源文件放到jar包外,依赖的jar放到lib目录下,最终生成一个zip包发布,如下:zip |--xxx.jar |--log4j.xml |--config | | | |--xxx.xml | |--xxx.properties | |--lib | |--a.jar | |--b.jar pom &...
2013-05-15 10:42:24
110
原创 android模块化开发
多个apk设置相同的android:sharedUserId, 使用相同的key签名关键代码: LocalActivityManager lam = getLocalActivityManager();//Activity使用ActivityGroupIntent itt = new Intent(); itt.se...
2013-05-04 21:11:48
124
原创 castor Date date-format
TODO package mytest.utils.castor;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Properties;import org.exolab.castor.mappin...
2013-04-28 09:45:48
162
原创 简单通用的ContentProvider
常用简单的ContentProvider的实现差不多,整理了个通用的(基于com.example.android.supportv4.app.LoaderThrottleSupport.SimpleProvider修改), 从这个类继承，再重写几个方法就可以了,测试代码见附件。 package com.sh2600.test.contentprovider;impor...
2013-02-22 16:38:49
106
原创 Jasmin simple example
.bytecode 50.0.class public cn/test/Hello.super java/lang/Object ;private String title = "test" .field private 'title' Ljava/lang/String; ;public Hello() .method public <init>...
2013-02-06 13:10:12
147
原创 android FragmentTabHost
使用FragmentTabHost的tab页面, TabWidget在底部, TabWidget设置背景在xml中写好像不行，可在代码中设置。 参考:http://stackoverflow.com/questions/13804287/fragmenttabhost-bottom-tabwidgethttp://ondrejcermak.info/programov...
2013-02-02 20:22:26
97
原创 jQuery.form.js使用ajaxForm提交表单,IE浏览器提示保存文件
response.setContentType("text/html;charset=UTF-8"); http://stackoverflow.com/questions/6114360/stupid-ie-prompts-to-open-or-save-json-result-which-comes-from-serverhttp://blog.degree.no/201...
2013-01-05 17:54:27
264
原创 CCSpriteFrameCache的用法
原文： CCSpriteFrameCache的用法先用zwoptexapp.com制作文件AnimBear.plist和AnimBear.pngcocos2d-x代码: CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("AnimBear.plist"); CCSpr...
2012-12-14 22:36:16
114
原创 chrome扩展：打开google搜索结果避免再次访问google
经常地，google出来结果却打不开https://github.com/simplehappy2600/SkipGoogle
2012-12-09 19:22:25
166
原创 Good artists copy. Great artists steal.
Good artists copy. Great artists steal.
2012-11-30 22:56:28
220
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