How to Pronounce the Letters NG – No Hard G Share Tweet Share Most of the time when you see the letters NG, you want to pronounce them as one sound only, the NG sound [ŋ]. Can you make this sound without a hard G [g] sound? YouTube blocked? Click her…
点击查看原文 1. java.lang.IllegalStateException: Expected a string but was BEGIN_ARRAY at line 1 column 278 解决:接口数据格式与实体类数据格式不一样 2. java.lang.RuntimeException: Unable to start activity ComponentInfo{com.wangll.activity/com.wangll.activity.MainActivityPerso…
Fragment的使用越来越普遍了,掌握它的生命周期以及注意事项时非常有必要的,首先 All subclasses of Fragment must include a public empty constructor. The framework will often re-instantiate a fragment class when needed, in particular during state restore, and needs to be able to find this…
问题:IE8/9不支持Array.indexOf 解决方案 if (!Array.prototype.indexOf) { Array.prototype.indexOf = function(elt /*, from*/) { var len = this.length >>> 0; var from = Number(arguments[1]) || 0; from = (from < 0) ? Math.ceil(from) : Math.floor(from); if (f…