Tutorial by Examples: c

Ifconfig List all the interfaces available on the machine $ ifconfig -a List the details of a specific interface Syntax: $ ifconfig <interface> Example: $ ifconfig eth0 eth0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx inet addr:x.x.x.x Bcast:x.x.x.x Mask:x.x.x.x ...

An IP address to an interface could be obtained via DHCP or Static assignment DHCP If you are connected to a network with a DHCP server running, dhclient command can get an IP address for your interface $ dhclient <interface> or alternatively, you could make a change to the /etc/network/...

File: /etc/hosts contains a list of hosts that are to be resolved locally(not by DNS) Sample contents of the file: 127.0.0.1 your-node-name.your-domain.com localhost.localdomain localhost XXX.XXX.XXX.XXX node-name The file format for the hosts file is specified by RFC 952

File: /etc/resolv.conf contains a list of DNS servers for domain name resolution Sample contents of the file: nameserver 8.8.8.8 # IP address of the primary name server nameserver 8.8.4.4 # IP address of the secondary name server In case internal DNS server you can validate if this server reso...

IMPORTANT This is just an example code, do not use in production. In order to download an header chain we have to send a getHeaders message. In this example we will require as much as possible headers after the 40000th one.The peer will respond with batch of 2000 headers so, we have to take the la...

This should always be your initial fix. A good policy is to decompile the database before each release. Create a decompile shortcut. This loads the database with a "/decompile" switch. Right Click your Database File. Select Copy Right Click in the explorer window and select &quot...

If your crashes are random or sporadic, then do this step. If your crashes occur every single time you run the database, then this step won't fix the issue (although bad memory may be the reason why the corruption occurred in the first place). Use a memory tester that boots outside the operating sy...

If you have images or other data stored in Access itself as OLE Objects, then you should find a better approach. When the OLE data is stored, it is stored according to the software (and version of software) on the computer storing it. When another computer goes to display that OLE Object data on the...

When you develop a C++ program, the next step is to compile the program before running it. The compilation is the process which converts the program written in human readable language like C, C++ etc into a machine code, directly understood by the Central Processing Unit. For example, if you have a...

Appearance: "Paamayim Nekudotayim" means "double colon" in Hebrew; thus this error refers to the inappropriate use of the double colon operator (::). The error is typically caused by an attempt to call a static method that is, in fact, not static. Possible Solution: $classname...

We can statically bootstrap an application by taking the plain ES5 Javascript output of the generated factory classes. Then we can use that output to bootstrap the application: import { platformBrowser } from '@angular/platform-browser'; import { AppModuleNgFactory } from './main.ngfactory'; //...

function doGet(e){ var serveFile = e.parameter.servefile; var id = e.parameter.id; if(serveFile) { return downloadFile(id); // and Hyde } return HtmlService.createHtmlOutputFromFile('form.html'); // Jekyll } function fetchFromGoogleDrive() { // Jekyll va...

You can create new commands via php artisan make:command [commandName] So this will create [commandName] command class inside app/Console/Commands directory. inside this class you will find protected $signature and protected $description variables, it represents name and discription of your comma...

Retrieve AD Computer Get-ADComputer -Identity "JohnLaptop" Retrieve All Properties Associated with Computer Get-ADComputer -Identity "JohnLaptop" -Properties * Retrieve Select Properties of Computer Get-ADComputer -Identity "JohnLaptop" -Properties * | Select-O...

Retrieve an Active Directory Object #Identity can be ObjectGUID, Distinguished Name or many more Get-ADObject -Identity "ObjectGUID07898" Move an Active Directory Object Move-ADObject -Identity "CN=JohnSmith,OU=Users,DC=Domain,DC=Local" -TargetPath "OU=SuperUser,DC=Do...

instance methods use an instance of a class. @interface MyTestClass : NSObject - (void)testInstanceMethod; @end They could then be used like so: MyTestClass *object = [[MyTestClass alloc] init]; [object testInstanceMethod]; Class method can be used with just the class name. @inte...

This is a sample Fastfile setup for a multi-flavor app. It gives you an option to build and deploy all flavors or a single flavor. After the deployment, it reports to Slack the status of the deployment, and sends a notification to testers in Beta by Crashlytics testers group. To build and deploy al...

While using laravel pagination you are free to use your own custom views.So,when calling the links method on a paginator instance, pass the view name as the first argument to the method like : {{ $paginator->links('view.name') }} or You can customize the pagination views is by exporting the...

//fill column A with solid red color from hex worksheet.Column(1).Style.Fill.PatternType = ExcelFillStyle.Solid; worksheet.Column(1).Style.Fill.BackgroundColor.SetColor(ColorTranslator.FromHtml("#FF0000")); //fill row 4 with striped orange background worksheet.Row(4).Style.Fill.Patte...

//Make all text fit the cells worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns(); //Autofit with minimum size for the column. double minimumSize = 10; worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns(minimumSize); //Autofit with minimum and maximum size for the c...