解决办法: 在代码中添加两行 from PIL import ImageFile ImageFile.LOAD_TRUNCATED_IMAGES = True…

将一张图片贴到另一张图片上,代码如下: from PIL import Image import os from PIL import ImageFile ImageFile.LOAD_TRUNCATED_IMAGES = True path = r'E:\work\taikang_shangtang\test5\1.35W/' save_path = r'E:\work\taikang_shangtang\test5\1.35W_resize/' os.makedirs(save_path,e…

代码如下: #coding:utf-8 from PIL import Image import pytesseract def test(): im = Image.open(r"pic.gif") vcode = pytesseract.image_to_string(im) print vcode 执行以上代码进行简单验证码识别的时候会抛出一个异常: Traceback (most recent call last): File "D:\test\vcode.py&qu…

Error writing file‘frm‘(Errcode: 28)   mysql出现这个错误,表示磁盘已经满了,该增加容量了.…

原因:没有写入权限 修改权限即可 vsftpd.conf vim /etc/vsftpd.conf write_enable=YES #加入这句…

pyquery是一个类似jquery的python库,它实现能够在xml文档中进行jQuery查询,pyquery使用lxml解析器进行快速在xml和html文档上操作,它提供了和jQuery类似的语法来解析HTML文档,支持CSS选择器,使用非常方便 1.pyquery安装 pip方式安装: $pip install pyquery #它依赖cssselect和lxml包 pyquery==1.4.0 - cssselect [required: >0.7.9, installed: 1.0.…

做图像处理的时候,Pillow是经常使用到的模块. 最近在读取图片的时候出现了一个错误. OSError: image file is truncated (461 bytes not processed) 诶,啊喂,图片在显示器上显示得好好的,为什么说我图片被截断了. 通过Google在StackOverflow上发现了原因与解决办法: StackOverflow 地址 在高赞的答案中说: Pillow 是按块读取图片的,所以Pillow期望每一个图像块都有确切的大小 貌似我们的图片没有符合这…

Overview This document describes the on-disk structure of a PKZip (Zip) file. The documentation currently only describes the file layout format and meta information but does not address the actual compression or encryption of the file data itself. Th…

rsync工具介绍 http://man.linuxde.net/rsync rsync命令是一个远程数据同步工具,可通过LAN/WAN快速同步多台主机间的文件.rsync使用所谓的“rsync算法”来使本地和远程两个主机之间的文件达到同步,这个算法只传送两个文件的不同部分,而不是每次都整份传送,因此速度相当快. rsync是一个功能非常强大的工具,其命令也有很多功能特色选项,我们下面就对它的选项一一进行分析说明. rsync [OPTION]... SRC DEST rsync [OPTION…

## There is insufficient memory for the Java Runtime Environment to continue.# Native memory allocation (malloc) failed to allocate 1915224064 bytes for committing reserved memory.# Possible reasons:# The system is out of physical RAM or swap space#…

referee:Java Programming Tutorial Advanced Input & Output (I/O) JDK 1.4+ introduced the so-called New I/O int java.nio package and its auxiliary packages to support high performance and intensive I/O operations. NIO is meant to complement the existin…

一,HBase中创建table 表(liupeng:test)并创建 info ,contect 列簇 hbase(main):258:0> create "liupeng:Test",'info','contect' 0 row(s) in 0.4050 seconds => Hbase::Table - liupeng:Test hbase(main):259:0> list TABLE HadoopHbase:InsertCSV HadoopHbase:Pers…

SRC=http://www.cs.rutgers.edu/~pxk/416/notes/13-fs-studies.html Paul Krzyzanowski April 24, 2014 Introduction We've studied various approaches to file system design. Now we'll look at some real file systems to explore the approaches that were taken i…

1.创建文件 import java.io.File; import java.io.IOException; public class CreateFileExample { public static void main( String[] args ) { try { File file = new File("c:\\newfile.txt"); //创建文件使用createNewFile()方法 if (file.createNewFile()){ System.out.pr…

Html5 File Upload with Progress               Posted by Shiv Kumar on 25th September, 2010Senior Software Engineer, Software Architect VAUSA Categorized Under: Html 5 File Upload Tagged With: File API File Upload XMLHttpRequest             Html5 fina…

mysql出现Error writing file \'xxx\'( Errcode:28)的原因有很多种,下面我来总结一些常用的关于引起Errcode:28错误原因与解决方法.   问题一,是log日志太大也会导致mysql提示Error writing file 'xxx'( Errcode:28)错误了,解决办法很简单. 1.清理磁盘,释放空间: 2.SQL语句查询的原表数据过大,优化SQL查询语句: 3.权限问题,造成读写错误,查看文件夹读写权限: 问题二, perror 28 Erro…

The Hadoop Distributed File System (HDFS) is designed to store very large data sets reliably, and to stream those data sets at high bandwidth to user applications. In a large cluster, thousands of servers both host directly attached storage and execu…

There are many things that can go wrong: A class works in Unix but doesn't on Windows (or vice versa) Invalid filenames due to double or missing path separators UNC filenames (on Windows) don't work with my home-grown filename utility function UNC (U…

2018年春节后第一天上班就遇到一个审计日志无法写入的问题,具体解决思路如下. 一.错误日志 数据库错误日志内容: Fri Feb 23 11:16:30 2018OS Audit file could not be created; failing after 6 retriesFri Feb 23 11:16:36 2018OS Audit file could not be created; failing after 6 retriesFri Feb 23 11:16:43 2018OS…

High waits on control file sequential read (文档 ID 2277867.1) In case we run into an issue where control file sequential read is the top event on the AWR report and we cannot see I/O issues on tablespace stats. Example: Tablespace IO Statsordered by I…

一.集合总结 集合:Collection体系.Map体系. Collection体系:单列集合的共性操作规则. List:列表,可以重复,有下标,拥有特有的迭代器ListIterator. ArrayList:底层是可变数组.增删慢,查询快.不安全 LinkedList:底层是链表结构,增删快,查询慢.不安全.有头和尾,特有的头尾操作的方法.可以模 拟数据结构(堆栈.队列). Vector:底层是可变数组,增删,查询都慢.安全.被ArrayList代替. Enumeration:它是古老的迭代器…

07-Formatted & File I/O. I/O steams. formatted I/O. fmt functions. file I/O. Practice ① I/O. Always check the err. Practice ② I/O. Practice ③ I/O…

模块,用一砣代码实现了某个功能的代码集合. 类似于函数式编程和面向过程编程,函数式编程则完成一个功能,其他代码用来调用即可,提供了代码的重用性和代码间的耦合.而对于一个复杂的功能来,可能需要多个函数才能完成(函数又可以在不同的.py文件中),n个 .py 文件组成的代码集合就称为模块. 如:os 是系统相关的模块:file是文件操作相关的模块 模块分为三种: 自定义模块 内置标准模块(又称标准库) 开源模块 自定义模块 和开源模块的使用参考 http://www.cnblogs.com/wupe…

Total Commander 8.52 Beta 1http://www.ghisler.com/852_b1.php 10.08.15 Release Total Commander 8.52 beta 1 (32/64) 05.08.15 Fixed: Windows 10: Loading drive buttonbar hanging on some devices (e.g. Surface Pro 3) when SD-Card was in internal card reade…

本来先打算上个图来说明一下这条线的,可是我的画图工具还没有安装好,我先把跟TestClient.java相关的几个文件代码贴上来,但是由于代码行数还是不少的,所以请大家阅读文章的时候先不要展开代码,等读到有关代码解释的时候再返回去查看.代码源自FastDFS老大鱼大大的. TestClient.java: /** * Copyright (C) 2008 Happy Fish / YuQing * * FastDFS Java Client may be copied only under th…

环境: 一台CentOS虚拟机上部署六个节点,创建3个master,3个slave节点 1.下载并解压 cd /root wget http://download.redis.io/releases/redis-3.2.4.tar.gz tar -zxvf redis-3.2.4.tar.gz 2.编译并安装 cd redis-3.2.4 make && make install 3.将 redis-trib.rb 复制到 /usr/local/bin 目录下 cd src cp redi…

Python 解释器 (CPython 3.7)内置有 66 个函数,这些函数在任何时刻都是可用的.此文是为了对这 66 个函数进行简单的梳理,便于以后可能用到它们时能想到. 1. abs(x) 返回一个数的绝对值.参数x可以是int.float或complex.如果是complex,则返回这个复数的大小(模). 2. all(iterable) 如果iterable的所有元素"是"True,才返回True,否则返回False.若iterable为空,也返回True.等价于: def…

感觉中,OutOfMemeryError(内存溢出错误) 是jvm抛出的异常,是不能被捕获的. 直到工作中真的遇到OOM异常,而且tomcat服务还一直对外提供服务. 那么问题来了: 1. OOM 到底能不能被捕获? 2. jvm抛出OOM后,是否就会立即停止运行呢? 3. jvm什么时候会抛出OOM异常? 先来个例子:本例子将会一一体现如上问题:(最好设置jvm最大内存如: -Xmx2m -Xms2m) public class OOMCatchTest { /** * 可以看作是一个消息队列…

Complete list of Microsoft SQL Server trace flags (585 trace flags) REMEMBER: Be extremely careful with trace flags, test in your test environment first. And consult professionals first if you are the slightest uncertain about the effects of your cha…

fgt2eth Script explanation_on_how_to_packet_capture_for_only_certain_TCP_flags_v2.txt Packet capture for only certain TCP flags (for use with Fortigate 'sniffer' command): Information extracted from the Man pages of 'tcpdump' command: # Updated Jan 2…