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zookeeper,kafka错误
1.ERROR Exiting Kafka due to fatal exception (kafka.Kafka$)原因:找不到properties文件,或者配置文件路径指定错误 办法:指定配置文件路径 2.Configured broker.id 130 doesn’t match stored ...
分类:其他好文   时间:2019-11-20 15:25:49    阅读次数:65
LeetCode_387. First Unique Character in a String
387. First Unique Character in a String Easy Easy Easy Given a string, find the first non-repeating character in it and return it's index. If it doesn ...
分类:其他好文   时间:2019-11-17 10:59:59    阅读次数:60
React——教程 && 零基础入门
Tutorial: Intro to React This tutorial doesn’t assume any existing React knowledge. Tip This tutorial is designed for people who prefer to learn by do ...
分类:其他好文   时间:2019-11-15 12:30:28    阅读次数:104
appium 连接夜神模拟器提示adb版本不匹配的解决方法(adb server version (36) doesn't match this client (41); killing...)
安装完夜神模拟器在cmd检测时,提示adb server version (36) doesn't match this client (41); killing... 说明andriod adb版本和模拟器adb版本不匹配 查找原因: 1.查看Android-adb 版本,cmd输入adb --v ...
分类:移动开发   时间:2019-11-13 23:47:50    阅读次数:1422
cf455A boredom
Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to pl ...
分类:其他好文   时间:2019-11-13 22:31:01    阅读次数:129
小米线刷出现remote: partition table doesn't exist
将线刷的包中的flash_all.bat右键编辑,然后在内容最前面加入这一句fastboot %* flash partition "%~dp0images\gpt_both0.bin" || @echo "Flash partition" && exit /B 1就可以了 记得线刷的时候要选全部删 ...
分类:移动开发   时间:2019-11-08 19:00:25    阅读次数:131
Linux C语言 检测文件是否存在
头文件 unistd.h if(access(file_name, F_OK ) != -1 ) { // file exists } else { // file doesn't exist } You can also use R_OK, W_OK, and X_OK in place of F ...
分类:编程语言   时间:2019-11-08 10:44:02    阅读次数:189
string(81) "SQLSTATE[HY000]: General error: 1364 Field 'content' doesn't have a default value"
mysql版本是5.7.26,在插入数据时报错: string(81) "SQLSTATE[HY000]: General error: 1364 Field 'content' doesn't have a default value" SQL插入语句: 通过: 分析建表语句,发现content字 ...
分类:数据库   时间:2019-10-19 00:38:11    阅读次数:96
使用TP5验证器遇到的坑
项目中需要对字段进行验证,本人使用的是控制器验证方式。话不多说,直接上报错信息: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'skxx.sk_' doesn't exist 意思是数据库skxx中的某张表不存在! 看代码: ...
分类:其他好文   时间:2019-10-14 12:30:20    阅读次数:266
Perl unless
在perl的if控制结构中,只有当条件表达式为真时才执行某块代码。如果想让程序块在条件为假时才执行,此时可以把if改成unless 例如: unless ($fred =~ /^([A-Z_]\w*$/i) { print "The value of \$fred doesn't look like ...
分类:其他好文   时间:2019-10-04 15:06:42    阅读次数:78
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