Opencv experiences (1)
The second chapter of learning opencv mainly introduces some common and interesting functions and data types, so that students at the beginning are more interested in image processing, although I do not understand the internal experiment of the function and the meaning of some defined constants, I am still very happy after learning Chapter 2. At least I know some basics of image processing, such as contour processing;
Knowledge
Tags: sof return ali system error Specify yourself stuck get posWindows installation MongoDB First go to the official website (https://www.mongodb.com/download-center?jmp=nav#community) and download a MongoDB Windows client. I downloaded two versions of the 3.4.11 version, one is 3.6.2. Originally used MongoDB with Springboot learning, so first choose the latest version, but the installation of stuck, stuck
Label: Phenomenon: Windows cannot start ORACLEDBCONSOLEORCL on the local computer. For more information, consult the system event log. If this is a non-Microsoft service, contact your service vendor and refer to the specific service error code 2. System Event Log report Error "Agent process exited abnormally during ini
3000 the specified print monitor is unknown.3001 the specified printer driver is in use.3002 offline files cannot be found.3003 startdocprinter is not called.3004 addjob call has not been issued.3005 the specified print Handler has been installed.3006 the specified print monitoring program has been installed.3007 the specified print monitor does not have the required functions.3008 the specified printer monitor is in use.3009 this operation request is not allowed when the printer has a job queue
The reason for this problem is that OSX curl is used by default
SecureTransport instead of OpenSSL.
The terminal can perform the following checks for the current SSL version with SecureTransport or OpenSSL.
$ php -i | grep "SSL Version"If the return result is as follows, Sslread () error is reported when Curl is used.
SSL Version => SecureTransport
You can make it support OpenSSL by recompiling curl.
Build Curl supports OpenSSL:./configure--pr
One, the child process has installed the Pre-removal script returned an error number 1 or 2 workaround:sudo gedit/var/lib/dpkg/statusFind package: Remove the description of this section and delete it before the next package:xxx. After the archive, the operation will be OK.Second, the child process has installed the Post-Installation script returned an error numbe
Today in Ubuntu Kylin installed VirtualBox, and then I want to delete a new point, the result of normal situation can not be deleted, I will find the VirtualBox directory all deleted,And then through the Apt-get Remove and other commands can not be deleted, the title shows the errorChild process installed Pre-removal script returned error number 1On the internet to find a lap, a great deal of effort to find the following solutions, record,Http://www.x
Common error 3--error 2 C2143: syntax error: Missing ";" (in front of "}")(2012-08-12 12:07:08)reproduced
Tags: gossip
Category: Programming common error Sets
A very simple program, but appear as the err
Phpmailer Project Address: Https://github.com/PHPMailer/PHPMailerPhpmailer used in the project, the use of the process error: "Connection failed. Error #2: Stream_socket_client (): SSL operation failed with code 1. OpenSSL Error messages:"Because the third-party SMTP I use is an SSL link, I need to add some more parame
Int W [2] [3], (* PW) [3]; PW = W;Which of the following is false?A. * (W [0] + 2)B. * (PW + 1) [2]C. Pw [0] [0]D. * (PW [1] + 2)
This evening I carefully studied the multi-dimensional array of C and the pointer to the multi-dimensional array (in the final analysis, these two items are completely consistent)The above
Del Abc.txt>nul 2>nul
This ">nul 2>nul" can mask the output of all the screens can be understood as follows:
If a command is executed, but do not want to see the implementation of this command on the screen, you can use "[Command]>nul" can mask the command on the screen output, but some command execution error, that is, the use of ">nul" also can not mask the i
After adding the XML entity and the table map file, the inexplicable error, the best solution, can not find where the wrong, and then the Mybatis-config.xml file to remove the Chinese commentsThe contents of the Mybatis-config.xml file are as follows, removing the XML version= "1.0" encoding= "UTF-8"?>DOCTYPE Configuration Public "-//mybatis.org//dtd Config 3.0//en" "Http://mybatis.org/dtd/mybatis-3-config.dtd" >Configuration> Settings>
OracleDBConsole startup error specific service error code 2, oracledbconsoleorcl
The error message is: Windows cannot start OracleDBConsoleorcl on the local computer. For more information, see System Event Logs. If this is a non-Microsoft Service, contact the service provide
After mysql is uninstalled, the mysql service is still in progress and the read description fails. Error Code 2 and mysql error code
First, I used 360 software manager to uninstall mysql5.5. After I uninstalled mysql, I deleted the mysql installation directory in sequence and the MySql folder in the hidden folder ProgramData under drive C.
Then cmd-> regedit, pre
Solution for "decode error-output not UTF-8" error reported by sublime text 2
Author: chszs, reprinted with note.Author blog homepage: http://blog.csdn.net/chszsAs described in the previous blog sublime text 2 setting up a Java development environment, if an error is report
If you are running HBase's mapreduce in Windows Eclipse, an exception occurs because the default run MapReduce task is run locally, and because file assignment is made in UNIX mode, an error occurs:
Java.lang.RuntimeException:Error while running command to get file Permissions:java.io.IOException:Cannot run Progra M "ls": CreateProcess error =
An error occurred when I tried to run window's cmd command through Processbuilder in Java:
public static void main(String [] args) throws IOException {
ProcessBuilder builder = new ProcessBuilder();
Process process = builder.command("dir d:\\").start();
InputStream inputStream = process.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(inputStream,"gb2312"));
String line = null;
while((line = br
Today is to Django3.5 set up the project, the results appear in Chinese error, although previously analyzed py2.7 error reasons, but after py3 reload not used, need to introduce: from importlib import reloadBut this is not any use, because the default encoding after PY3 is no longer bytecode, but utf-8, you can use code to viewSys.getdefaultencoding ()And then there's a new
didn't care too much about it. I thought it would be a big deal. I wrote another one. The result ...... I had a bad time. From yesterday to now, SQL Server went on strike without discussion! As a result, a long "wrong searching" road begins.
Let's take a look at the error message:
1. from past experiences, I first opened the SQL Server Configuration tool --> Configuration Manager and checked whether the protocol was enabled. Then I made another mist
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