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Android下一行平均分布图片的布局
Android下一行平均分布图片的布局 这是一个很常见的需求,比如有三个图片按钮,需要在底部三个平均,比如下个例子: 以下是布局文件 LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout...
分类:移动开发   时间:2014-11-16 07:09:24    阅读次数:4708
find unique values in an array
Problem:given an array that contains duplicates (except one value), find the one value that does not have a duplicate in that array. Explain the compl...
分类:其他好文   时间:2014-11-15 06:35:12    阅读次数:202
tomcat下出现The file is absent or does not have execute&
启动tomcat出现The file is absent or does not have execute permission。。。Cannot find bin/catalina.shThe file is absent or does not have execute permissionTh...
分类:其他好文   时间:2014-11-14 22:41:09    阅读次数:692
php验证邮箱
publicfunctionisEmail($email){//验证邮箱 $chars="/([a-z0-9]*[-_\.]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?/i"; if(preg_match($chars,$email)){ returntrue; }else{ returnfalse; } }
分类:Web程序   时间:2014-11-14 18:07:09    阅读次数:217
[转] WPF 的 Main 方法
在WPF程序抛出这样的错误:Program 'SQLiteManager.exe' does not contain a static 'Main' method suitable for an entry point问题的产生原因是我创建了一个WPF应用程序,我把App.xaml文件排除出项目,然...
分类:Windows程序   时间:2014-11-14 17:43:29    阅读次数:355
The type or namespace name 'Script' does not exist in the namespace 'System.Web' (are you missing an assembly reference?)
应该说是 .net4 的bug,没有所谓的 System.Web.Extensions.dll 库文件,需要将项目的 Target Framework修改为 3.5版本,才能加载System.Web.Extensions.dll库文件.我在使用 System.Web.Script.Serializa...
分类:Web程序   时间:2014-11-14 01:28:06    阅读次数:187
js基础(常用语法、类型、函数)
js函数集·字符串(String)1.声明var myString = new String("Every good boy does fine.");var myString = "Every good boy does fine.";2.字符串连接var myString = "Every " ...
分类:Web程序   时间:2014-11-13 22:22:36    阅读次数:314
centos6.4 ceph安装部署之ceph object storage
preface: ceph-deploy does not provide a rapid installation for Ceph Object Storageinstall Configuration ceph object storage gateway1,install ceph obj....
分类:其他好文   时间:2014-11-13 22:02:24    阅读次数:171
Binary String Matching
描述Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as a substring of B? For ...
分类:其他好文   时间:2014-11-13 20:39:39    阅读次数:139
js如何获得url中的参数
function getQueryString(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search.substr(1).match(reg)...
分类:Web程序   时间:2014-11-13 18:37:05    阅读次数:144
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