A data structure is a way of organizing and storing information.
Let a "Hello, World!" string be the information that we need to organize and store in byte-addressable memory.
Each ASCII character requires 7 bits of storage. Most systems reserve 8 bits (1 byte) for each character, so eac...
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 "...
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...
Sometimes the crashes occur constantly in a single form or report, or occur only when printing. It is possible that the binary data within the form / report has become corrupt.
Save the Form / Report object as text
There are two undocumented functions. Application.SaveAsText and Application.Load...
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...
Manipulate the IP routing table using route
Display routing table
$ route # Displays list or routes and also resolves host names
$ route -n # Displays list of routes without resolving host names for faster results
Add/Delete route
OptionDescriptionadd or delAdd or delete a route-host x.x.x.xA...
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"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...
