all installed apps

Print recently in the forum many netizens asked "How to install all the printers in Windows listed", in the following program we will be installed in the system of the printer listed in the list box, while the default printer set the default value. In the following program we used two main classes, all of the printer list out of the PrinterSettings class, get th

/interfacesAuto Eth1Iface eth1 inet DHCPStart eth1sudo ifup eth1Restart the virtual machine againsudo rebootAfter reboot, Ifconfig can see eth1.Implementation of OpenStack network environment based on Nova-networksudo vi/etc/nova/nova.conf[Default]Control node, network settingsNetwork_api_class = Nova.network.api.APISecurity_group_api = NovaCOMPUTE nodesFirewall_driver = Nova.virt.libvirt.firewall.IptablesFirewallDriverNetwork_manager = Nova.network.manager.FlatDHCPManager Tenant NetworkNetwork_

Tip: We must not destroy the environment of the system. Because several key applications depend on the Python 2.7.5(TheCentOS 7 default version). If you replace the system's Python environment, there will be a lot of unpredictable errors and even a system reload.Pre-Installation Preparation Yum-y Install epel-*Yum Clean AllYum MakecacheYum-y install gcc openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel Download Python Package

;try {packageinfo = Getpackagemanager (). Getpackageinfo (PackageName, 0);} catch ( Namenotfoundexception e) {e.printstacktrace ();} if (PackageInfo = = null) {return;} Create a class Category_launcher for the package name intentintent resolveintent = new Intent (intent.action_main, NULL); Resolveintent.addcategory (Intent.category_launcher); Resolveintent.setpackage (packageinfo.packagename);// listFinally get a picture of the sun. PS: I spend a lot of time on the code that gets the app icon, a

Android development obtains all installed programs on the local machine (forming ListView), Android listview This is exactly what the project needs. After querying and summarizing a lot of information, it finally solved the problem smoothly and accumulated a lot of data query skills. Now I want to sort out my ideas, I hope to be helpful to those who want to develop similar functions and make friends who lov

A netizen sent a message to ask, C # How to traverse the system has installed all the printers, and get information about each printer, such as: port, name and so on C # inside, although in the System.Drawing.Printing this namespace, provides some access to the system printer, but, to tell the truth is too weak, to obtain the relevant properties of the printer is basically powerless.C # inside to get the

Android: get the names of all applications installed on the mobile phone and the package name of the application. This is tested on the android simulator. The total number of applications obtained is: 51. The application I installed on this simulator is used for testing. The following code is just a method. during testing, this method is used to respond to a butt

Here's a small piece to bring a Python update all installed package implementations by PIP. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. The newer PIP already supports list--outdated, so record the new method: Pip list--outdated--format=legacy |awk ' {print $} ' |xargs sudo-h pip install-upip3 list--outdated--fo

Excel import/export is compatible with all versions of the server. If EXCEL is not installed, You can import excel. 1 first, you must reference NPOI. dll (which can be downloaded online !)2 // Import 3 public void OnSubmit () 4 {5 string path = Server. mapPath ("/upload/201410/27/2015112711020.1051.xls"); 6 FileStream fs = File. open (path, FileMode. open); 7 System. data. dataTable dt = converttoable able

We sometimes need to upgrade the packages of the third party installed on the system to the latest version. However, both Easy_install and Pip have no direct command to use.We can use the following command to see which packages on the system are out of date.pip list --outdatedIn fact, we can do this with other shell commands to complete the upgrade.pip freeze --local | grep -v ‘^\-e‘ | cut -d = -f 1 | xargs pip install –Uor execute the command:'^[a-z]