python 报错RuntimeError: dictionary changed size during iteration
a = {'':11, '':0, '':0} for b in list(a.keys()): if a[b] == 0: del a[b] print(a)报错是因为在字典迭代期间改变字典大小我们可以通过取出字典的键值,在转化为列表,这样在for循环期间就可以删除了py...
An error occurred during the installation of assembly 'Microsoft.VC90.ATL or 'Microsoft.VC80.ATL'
An error occurred during the installation of assembly 'Microsoft.VC90.ATL or 'Microsoft.VC80.ATL'下载安装即可修复https://support.microsoft.com/default.aspx?sc
An internal error occurred during Loading descriptor for
这个错误一般是 工程下的web.xml 里面有不无法识别的字符。eclipse会提示是那个字符错误了,例如: <dispatcher>REQUEST </dispatcher> <dispatcher>FORWARD </dispatcher> ...
a configuration error occurred during startup. place verify the preference field whth the prompt:TomcatJDK name:
错误一:安装Tomcat的时候出现了错误,这里要是找不到Tomcat6.0我们可以设置其enbale显示就可以,上面的错误解决办法:错误二:在eclipse中启动Tomcat6.0的时候现在说8005端口被占用,直接 就将Tomcat关闭了启动不了。解决办法就是找到端口8005的进程,将其关闭,这样...
ssh encountered 1 errors during the transfer错误3种解决方法
这篇文章主要介绍了ssh encountered 1 errors during the transfer错误3种解决方法,3种方法都很简单,需要的朋友可以参考下
Qt creator 问题 during startup program exited with code 0x0的折中解决
删掉comodo防火墙后,还是不能debug程序,程序根本不在断点处停止,而是弹出一个错误对话框“during startup program exited with code 0x0”。搜了几个英文网页,在这里(http://qt-project.org/forums/viewthread/152...
Tomcat error: A child container failed during start
Tomcat error: A child container failed during startjava.lang.NoClassDefFoundError: org/quartz/SchedulerException之前的项目一直启动抛出这样的异常。原因是本质上某个jar,class文件没找...
Starrocks出现Lost connection to MySQL server during query
背景:在调度中出现这个报错,但是在后台执行的时候是成功的,每次在调度上执行6分钟即360S的时候出现了这个报错,排查后发现使用的nginx代理中设置的timeout设置的是360s,所以才会出现这个报错ERROR 2013 (HY000) at line 3: Lost connection to ...
TypeError: not all arguments converted during string formatting
错误展示: 错误代码展示 错误分析: print 'URL数目:' 打印出的是字符串类型,而 (self.urls.has_new_url() ) 输出结果是数字(int类型),因此需要转型 即,代码应修改为: 知识补充: 转换说明符: 转移说明符 含义 %d,%i 带符号的十...
MyEclipse-File Serarch时报错:Problems encountered during text search
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【报错】An error happened during template parsing (template: &am
页面显示: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Fri Dec 06 23:26:03 CST 2019 ...
'not all arguments converted during string formatting'错误告警信息解决办法
问题描述: 原因定位:服务器端的方法中result的类型是一个列表,而非string类型,导致result变量类型和%s类型不一致所致 解决办法: ...
android 布局页面文件出错故障排除Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
今天在看布局文件的时候出现 android 布局页面文件出错故障排除Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V 提醒,google后在网上说是因为sdk版本的问题。 解决方法:修改选择不同的API就好...
Lost connection to MySQL server during query的解决
经常在执行sql语句时,会发现这个问题,一般就是连接mysql数据库不稳定 Error:LostconnectiontoMySQLserverduringquery 错误信息很明显了,在查询的时候丢失了和MYSQL数据库服务器的连接。 MYSQL不稳定。
「android」gomobile argument unused during compilation: '-stdlib=libc++'
【问题】 android基于go的NDK开发中配置gomobile参考官方WIKI:https://github.com/golang/go/wiki/Mobile,大致步骤: 1、下载gomobile:$ go get golang.org/x/mobile/cmd/gomobile 2、初始化 ...
An internal error occurred during: "Retrieving archetypes:". GC overhead limit exceeded
jvm抛出的异常。 打开eclipse或者myeclipse配置的文件在安装的目录下myeclipse.ini或者eclipse.ini。 修改文件如下: -vmargs-Xmx1024m-Xms512m-XX:MaxPermSize=1024m...
Eclipse中启动tomcat报错:A child container failed during start
我真的很崩溃,先是workspace崩了,费了好久重建的workspace,然后建立了一个小demo项目,tomcat中启动却报错,挑选其中比较重要的2条信息如下:A child container failed during start严重: Error starting static Resou...
mac 解决 eclipse 创建 android 项目出现 Errors occurred during the build. Errors running builder 'Android Res
eclipse 创建 android 项目出现 Errors occurred during the build. Errors running builder 'Android Res 最近在Mac上编程, 可以当自己装完jdk 和 下载集成的adt 开发环境创建android 项目时出现上...
启动Tomcat报错 “A child container failed during start”
严重: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [S...
Android中关于在onDrow或者onMeasure中创建对象提示Avoid object allocations during draw/layout operations (preallocate and reuse instead) 问题
在实际开发中Android中自带的控件有时无法满足我们的需求,这时就需要我们重写控件来实现我们想要的功能。还有个关于UI体验的问题,就是在onDraw()函数中最好不要去创建对象,否则就提示下面的警告信息:因为onDraw()调用频繁,不断进行创建和垃圾回收会影响UI显示的性能例如:protecte...