#Rong

java反射 反射构造函数 报 wrong number of arguments 错误

packagecom;importjava.lang.reflect.Constructor;publicclassPerson{publicPerson(){}publicPerson(Stringname){this.name=name;}publicPerson(intage){this.age=age;}pub...

Ubuntu adb 报错:no permissions (user in plugdev group; are your udev rules wrong?);

1. 安装adb,查看自己的安卓设备sudoapt-getinstallandroid-tools-adbadbstart-serverlsusb输出信息:Bus002Device001:ID1d6b:0003LinuxFoundation3.0roothubBus001Device005:ID8087:0a...

iconv(): Wrong charset, conversion from GBK to UTF-8//IGNORE is not allowed in /app/vendor/aliyuncs/oss-sdk-php/src/OSS/OssClient.php on line 2301

引用阿里云oss-sdk-php上传出现问题,iconv():Wrongcharset,conversionfrom GBK toUTF-8//IGNOREisnotallowedin/app/vendor/aliyuncs/oss-sdk-php/src/OSS/OssClient.phponli...

HDU3038 How Many Answers Are Wrong 并查集

  有一个序列,共n个数,可正可负。  现在有m个结论。n<=200000,m<=40000  每个结论包括3个数a,b,s,表示序列中a~b的区间和为s。  现在让你依次判断结论的正确性。  如果当前结论与之前的矛盾,那么ans++,忽略该结论。  注意多组数据。   这个差不多是带权并查集的板...

html中<b>标签和<Strong>标签的区别

关于html标签中b和strong两个的区别,我也是今早上才注意的,以前都是混着用的,早上看书的时候才注意到这两个标签的区别。      用在网页上,默认情况下它们起的均是加粗字体的作用,二者所不同的是,<b>标签是一个实体标签,它所包围的字符将被...
代码星球 ·2020-06-26

android.view.ViewRoot$CalledFromWrongThreadException 异常的解决方案

https://blog.csdn.net/vincent_czz/article/details/7070354https://stackoverflow.com/questions/21014152/android-view-viewrootimplcalledfromwrongthreadexception-on...

Can't use Subversion command line client: svn Probably the path to Subversion executable is wrong. Fix it.

1、最近使用SVN工具时,Checkout出项目到本地后后,然后将其导入到Intellijidea中开发,在提交svn代码的时候,出现这样的错误:Can'tuseSubversioncommandlineclient:svn   ProbablythepathtoSubversionexe...

iOS-strong和copy【详细解读】

strong和copy是常用到的修饰符,那么什么时候用strong,什么时候用copy,先上一段代码再说(以下代码直接在ViewController中写);先定义两个数组///strong@property(nonatomic,strong)NSArray*arraystrong;///copy@property(no...
代码星球 ·2020-04-03

PHP系列 | PHPexcel导入xls格式 ,提示错误:iconv(): Wrong charset, conversion from `CP936' to `UTF-8' is not allowed

导入xls格式(2003版本)时会报错提示错误信息iconv():Wrongcharset,conversionfrom`CP936'to`UTF-8'isnotallowed[/var/www/web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.p...
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