初学Android,最近在使用zxing开发一个条码扫描解析的安卓项目中,遇到以下几个问题。贴出来以供参考。1、Http请求错误 Android4.0以上要求不能把网络请求的操作放在主线程里操作。使用多线程。2、java.lang.IllegalStateException: Target ho.....
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移动开发 时间:
2014-11-21 20:14:45
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172
以下为验证发布状态是否为以下字段 @Documented
@Constraint(validatedBy?=?{PublishStatusValidator.class?})
@Target({?METHOD,?FIELD,?ANNOTATION_TYPE,?CONSTRUCTOR,?PARAMETER?})
@Retention(RUNTI...
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Web程序 时间:
2014-11-21 19:05:11
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186
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/System_Administrators_Guide/sect-Managing_Services_with_systemd-Targets.htmlViewingtheDefaultTargetTodeterminewhichtargetunitisusedbydefault,runthefollowingcommand:systemctlget-de..
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其他好文 时间:
2014-11-21 16:30:31
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223
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
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其他好文 时间:
2014-11-21 15:57:41
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227
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target valu...
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其他好文 时间:
2014-11-21 12:06:48
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197
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or...
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其他好文 时间:
2014-11-21 09:07:16
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186
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
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其他好文 时间:
2014-11-21 06:57:39
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184
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.The same repeate...
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其他好文 时间:
2014-11-21 06:57:28
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212
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord...
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其他好文 时间:
2014-11-21 06:57:04
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155