Smart pointer of c ++ 11 and smart pointer of 11
This article introduces four smart pointers of c ++, the last three of which are newly added in c ++ 11, and auto _ ptr has been discarded.
To compile c ++ 11, you must install g ++-4.8.
Sudo add-apt-repository ppa: ubuntu-toolchain-r/test
Sudo apt-get update
Sudo apt-get instal gcc-4.8
Sudo apt-get install g ++-4.8
Specify the standard during compilation:
G ++-4.8-std = c ++ 11
Auto_ptrFor details, re
installation page, select/dev/sda3 to find instal. L. after img is installed and enters the new operating system, grub needs to be updated. conf. Otherwise, you can only access the new system. The specific operations are as follows: mkdir/sda1 mount/dev/sda1/sda1 cd/sda1/boot/grub vi grub. conf copies the startup parameters of the first system from the title line to the initrd line (not the installed title we added) then add it to the grub of the cur
The test code is as follows: The code is as follows:Copy code // PHP decompress the file (zip)Function unzip_file ($ file, $ destination ){$ Zip = new ZipArchive ();// Open the compressed fileIf ($ zip-> open ($ file )! = TRUE ){Die ('could not open Archive ');}// Create a file$ Zip-> extrac.pdf ($ destination );$ Zip-> close ();Echo 'successfully ';}Unzip_file ("htdocs.zip", "wenjianming "); Detected during executionFatal error: Class 'ziparchive
/blog.chinaops.com-error_log"
Customlog "Logs/blog.chinaops.com-access_log" common
DocumentRoot "/date/pma/"
ServerName pma.chinaops.com
Errorlog "Logs/pma.chinaops.com-error_log"
Customlog "Logs/pma.chinaops.com-access_log" common
Service httpd-t (check for errors)
Service httpd Graceful (load configuration)
See how the HTTPD works
NETSTAT-LNP | grep httpd
Iv. installation of Nginx
Tar zxvf/usr/local/src/nginx-1.6.2.tar.gz
CD nginx-1.6.2
Yum Install-y pcre-devel./configure--prefix=/usr/l
Build the java environment (and solve the installation problem "No repository found containing") and create the first java program, repositorynotfound
Environment: Java 8 and Eclipse
Java 8Configuration:Http://jingyan.baidu.com/article/e2284b2b5967e7e2e7118d74.html
Eclipse Installation: (For enterprise-level development, you can use the enterprise-level Eclipse IDE for Java EE Developers)
Http://www.eclipse.org/downloads/download.php? File =/technology/epp/downloads/release/kepler/SR2/eclipse-s
Install pomelo on CentOS
Windows, so it is installed on the centOS virtual machine, but also due to version issues.
First, the latest node version of the linux binary version is installed, and then npm instal pomelo-g reports a bunch of errors about null pointers and v8 errors,
In short, an error occurred while compiling c ++. As a result, the node source code was downloaded to compile (download-> decompress->./configure-> make install)
An error o
the farm. T his cmdlet does not deploy the uploaded SharePoint solution. Use the Instal l-SPSolution cmdlet to deploy the SharePoint solution in the farm. For permissions and the most current information about Windows PowerShell f or SharePoint Products, see the online documentation (http://go.microsoft.c om/fwlink/?LinkId=163185).RELATED LINKS Get-SPSolution Update-SPSolution Uninstall-SPSolution Remove-SPSolution Install-SPSolution Remov
Install#tar ZXF pcre-8.39.tar.gz#cd pcre-8.39/#./configure--prefix=/usr/local/pcre#make make InstallDownload Openssl,centos7 from version openssl-1.0.1e#wget https://www.openssl.org/source/openssl-1.0.1u.tar.gz#tar ZXF openssl-1.0.1u.tar.gz#cd openssl-1.0.1u#./config-fpic--prefix=/usr/local/openssl enable-shared#make make instal#mv/usr/bin/openssl/usr/bin/openssl.1.0.1e#ln-S/usr/local/openssl/bin/openssl/usr/bin/opensslThen formally install apache2
;%java_home%\jre\bin; " or direct "%java_home%\bin;", click the OK button
View the CLASSPATH variable in the variable list and, if it does not exist, create a new variable classpath, otherwise select the variable, click the Edit button, and then add "in the start position of the Variable Value text box."; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; "
After you configure these three items, you need to test for success. Open the cmd window, enter Javac, and press ENTER. A screen simi
After the Android development environment is set up, it is no problem to use the emulator to execute the Android program, but the phone is connected to the computer by USB. The computer is not recognized and Eclipse is not recognized. The reasons are as follows:1. The phone does not turn on the USB debugging function, the solution:Settings-application-development-hook-up "USB debugging"2. The phone is not installed on the computer driver, the solution:Start the Android SDK and AVD Manager. Click
Install : Install - file - DgroupId = com . Baidu - DartifactId = Ueditor - Dversion = 1.0.0 -dpackaging=jar -dfile= Ueditor - 1.1 . 2.jar
after executing the command, you can see the success word, indicating that the installation was successful, can be found in the local warehouse. Ii. Installing the jar package with eclipseThere is also a prerequisite for using Eclipse installation, which is that the eclipse MAVEN needs to be configured first. But I do believe that the MAVEN settings of
The first article has been installed Sogou. Too ibus an eyesore, habitually deleted. I didn't expect to cause a series of problems. Log-out user crashes. The system has very many items set up.It seems Ubuntu 14.04 to ibus it cannot be uninstalled (uninstalling IBUs itself is no problem, but very ibus in other places requires its affiliate program to appear). Just let IBUs and fcitx coexist, fix the system first. Just one command:sudo apt-get instal ub
1. Download the symantec_endpoint_protection_12.1.5_linux_client_en and unzip the Sep-deb.zip2. If you direct sudo./install.sh-i, the following error will be reported starting to install the Symantec Endpoint Protection for Linux performing pre-check ...Error: installation requires Oracle Java 1.5 or later whose owner is Superuser. Install the correct version with Superuser and Java cryptography Extension (JCE) Unlimited Strength Jurisdiction Po Licy Files, and try again.Error: installation requ
package, so the Linux here to 64-bit)* Download the corresponding version on the CUDA website (https://developer.nvidia.com/cuda-downloads#linux).* After the download is complete, you can install it using the following command, note that the file name is modified to Cuda-repo-ubuntu1404_6.5-14_amd64.deb$ sudo dpkg-i cuda-repo-(or double-click the downloaded Deb file directly under the graphical interface)The difference between the Network install and the Local install: one is the file is small,
1. Installing Taskselsudo apt-get install TaskselOnly sudo tasksel when using Tasksel2. Install lampsudo tasksel instal lamp-serverOpen Browser input 127.0.0.1 can see Apache home pageSwitch to/var/www/html (default directory) directory to create a new test.php file exit save, you can see its effect in the browser apache Modify default directory path /etc/apache2/sites-enabled/000-default (need to restart Apache after modification) Restart apac
1. System EnvironmentOperating system: Ubuntu Kylin Latest Version 14.10MATLAB version: Matlab 2015a2. Installation StepsMethod One: Online (on-line installation)installation filesMethod Two: Offline (offline installation)1. Download matlab2015a (Linux 64bit): I use: (Non-IPV6 users cannot access, non-registered users cannot access)2. Mount the file: Right-click the downloaded file in the system, "Open with"-"disk image Mount".3. Enter the following code in the terminal:Cd/media/x-lion/mathworks
You can instal it via git and then copy systemd script:Step 0. Install gityum install gitStep 1. Clone Repositorygit clone git://github.com/kr/beanstalkd.gitcd beanstalkdmakecp beanstalkd /usr/bin/beanstalkdmkdir /var/lib/beanstalkdStep 2. Make startup scriptCreate file with this /etc/systemd/system/beanstalkd.service content:[Unit]Description=Beanstalkd is a simple, fast work queue[Service]User=rootExecStart=/usr/bin/beanstalkd -b /var/lib/beanstalkd
apt-get instal UpdateHint: error, unable to resolve domain name, etc.Online solution A lot of, don't rush to use the online method, to check whether the system has network connectivityNetwork icon shows network connection, and so on, don't be fooled by the surface, order to checkFirst ping the IP of your host, see if you can ping throughPing 192.168.1.1Ping does not pass, go to the following method one ↓and ping the extranet.Ping www.baidu.comAlso pin
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