Warning: this may be a pre-Lollipop answer. A Fragment doesn't get re-inflated on configuration change, but you can achieve the effect as follows by creating it with a FrameLayout and (re)populating that manually: public class MyFragment extends Frag…

1.html <input type="text" @change="specifiName($event)" /> 2.js var vm = new Vue({ el: "#app", methods: { specifiName(e) { var that = this; var val = e.target.value; console.log(val); }, } });…

坏味道--发散式变化(Divergent Change) 发散式变化(Divergent Change) 类似于 霰弹式修改(Shotgun Surgery) ,但实际上完全不同.发散式变化(Divergent Change) 是指一个类受多种变化的影响.霰弹式修改(Shotgun Surgery) 是指多种变化引发多个类相应的修改. 特征 你发现你想要修改一个函数,却必须要同时修改许多不相关的函数.例如,当你想要添加一个新的产品类型时,你需要同步修改对产品进行查找.显示.排序的函数. 问题原因…

Problem Management Problem management seeks to identify the underlying causes of incidents in an IT infrastructure and to remove those causes. The problem management process addresses the causes of incidents reactively and proactively. Reactive probl…

Using Block Change Tracking to Improve Incremental Backup Performance 使用块改变跟踪改善增量备份的性能 The block change tracking feature for incremental backups improves backup performance by recording changed blocks for each data file.    块改变跟踪特性通过记录每个数据文件的块改变来改善增量…

1  依据选择的日期,加载相应的列表数据,如图:   开发说明    1 开发思路: 在日期值变化的事件中获得选择后的日期值,传给后台,然后从后台加载相应的数据 2 问题:在查看extjs2.2 的api的官方说明文档,文档对datefield组件的change事件说明如下: change : ( Ext.form.Field this, Mixed newValue, Mixed oldValue )       Fires just before the field blurs if the…

$("#spanChildSec select").live("change", function () {              //处理内容        }); 在IE下失效,网上找到解决方案:  $('#spanChildSec select').bind('change', function () {                 //处理内容             }).live('change', function () {          …

文件选择框的onchange事件只在第一次改变时生效,以后再选择文件不会触发onchange事件. 解决方法1:用jQuery的live代替直接使用change. 错误代码: $("#UploadFile").change(function(){         //do someing     }); 正确代码: $("#UploadFile").live('change', function(){         //do someing     }); 解决方…

oracle 11g 当sql语句中不加order by的时候,好像是按rowid的顺序返回结果的.我也看过一些相关的文档,oracle的官方意思就是不加order by,就不保证输出的顺序. 那么,问题来了:如果现在我select XXX,一组结果出来,顺序是.......A....B.....那么接下来我做什么操作,再做同样一句select,怎么才能让结果变成....B...A.....Notice1: 操作中请勿修改表的主键,不要用DDL,只用select * from A;得到结果Not…

https://linuxconfig.org/how-to-change-from-default-to-alternative-python-version-on-debian-linux Your Debian Linux installation may include multiple python versions and thus also include multiple python binary executables. You can run the following l…