Computer Tips - Programming, Cybersecurity and Tech Tutorials

This tiny utility shows you public and private IP as soon as you open it so you don't need to go to any website such as whatismyip.com to find your current Public IP Address. Size: IP info.zip --> 3.94 KB IP info.exe --> 9.50 KB Download links: 1. Google Drive: https://drive.google.com/file/d/0B_HnjRcH9aTpQmNGUmw3cU5RQ2s/view?usp=sharing 2. MediaFire: http://www.mediafire.com/download/c1zn8yyh7zfsn3w/IP_info.zip 3. Kickass Torrents: https://kat.cr/ip-info-zip-t11825063.html This is a small Windows utility that shows your public and private IP address the moment you open it, so you do not have to visit a site such as whatismyip to look it up. A tiny local tool like this is convenient for quick network checks. As with any downloaded executable, run it only if you trust the source.

Download Link: https://drive.google.com/file/d/0B_HnjRcH9aTpNG10ME1raW0zdTA/view?usp=sharing (Click this link to download pdf) This PDF is a part of Introduction to R workshop conducted by Chris Bruno , Dason Kurkiewicz and Adam Loy from Department of Statistics, IOWA State University on 15 July 2010. Reference: http://streaming.stat.iastate.edu/workshops/r-intro/ Breakdown of chapters is as following: 1. Introduction 2. Data Management 3. Graphics 4. Models 5. Programming 6. Advanced Manipulations Reference: http://streaming.stat.iastate.edu/workshops/r-intro/lectures/ This post shares a downloadable PDF introduction to R from a statistics workshop, aimed at newcomers to the language. R is a free environment widely used for statistics, data analysis, and graphics. A guided introduction like this is a good starting point before moving on to packages such as ggplot2 and dplyr for visualization and data wrangling.

CODE: # '#' denotes a comment # install.packages("UsingR") uncomment if package is not installed library (UsingR) # install.packages("shiny") uncomment if package is not installed library (shiny) # install.packages("Hmisc") uncomment if package is not installed library (Hmisc) # install.packages("corrplot") uncomment if package is not installed library (corrplot) # getwd() gives the current directory where R looks up for files wd <- getwd() setwd(wd)

Error code: #include <atlbase.h> Error: 1    error C1083: Cannot open include file: 'atlbase.h': No such file or directory 2    IntelliSense: cannot open source file "atlbase.h" This error occurs if you are using atlbase.h file in your program in Visual C++ Express Edition instead of Visual Studio. The reason is express edition does not come with Microsoft Platform SDK as studio does so we need to install it separately and need to modify a couple of lines. Solution: 1. Download and install Windows Server 2003 SP1 Platform SDK from http://www.microsoft.com/en-us/download/details.aspx?id=6510 2. If you have a 64-bit OS/Processor (Intel i5, Windows 7 64-bit) then install PSDK-amd64.exe as other two won't work. 3. Go to your installation directory to edit atlbase.h file, default would be C:\Program Files\Microsoft Platform SDK\Include\atl 4. Make following changes

Error: Cannot open user default database. Login failed. Login failed for user 'abcxyz'. I got this error in my Visual Web Developer 2010 Express. My database named Database1.mdf was not opening and throwing this error.

Code: #include <windows.h> #include <stdio.h> #include <psapi.h> void PrintMemoryInfo( DWORD processID ) {     HANDLE hProcess;     PROCESS_MEMORY_COUNTERS pmc;     printf( "\nProcess ID: %u\n", processID );     hProcess = OpenProcess(  PROCESS_QUERY_INFORMATION |         PROCESS_VM_READ,         FALSE, processID );     if (NULL == hProcess)         return;

Following error was observed in Microsoft Visual C++ 2010 edition while using std namespace. Error: IntelliSense: name must be a namespace name Problem code: using namespace std ; Solution: #include <iostream> using namespace std; This Visual C++ IntelliSense error occurs when you write using namespace std before including a standard header that defines the std namespace, so the compiler has no namespace to refer to. Adding the relevant include, such as iostream, before the using directive resolves it. Order matters: headers must be included so the names they declare exist.

The following error was observed in Microsoft Visual C++ 2010 edition. Error: Error: PCH Warning: header stop cannot be in a macro or #if block. An intellisense PCH file was not generated. Problem code: [file name : perCoreUsage.h]  #ifndef perCoreUsage #define perCoreUsage void perCoreUsageCall(); #endif Solution-1 Add the following line in your header file perCoreUsage.h: #pragma once Solution-2 Use your header file in some CPP file like perCoreUsage.cpp or main.cpp: #include "perCoreUsage.h" This Visual C++ IntelliSense warning, header stop cannot be in a macro or if block, means the precompiled header boundary fell inside an include guard or conditional, so no precompiled header was generated. Moving the include guard, or restructuring the header so the first includes are not wrapped in the conditional, lets the precompiled header build again. It affects IntelliSense rather than the final compiled output.

Code: #include "stdafx.h" #include <windows.h> #include <psapi.h> #include <stdio.h> #include <iostream> #include <fstream> #include <TCHAR.h> #include <stdio.h> #include <pdh.h> #include <pdhmsg.h> #include <ctime> #pragma comment(lib, "pdh.lib") #pragma comment(linker, "/DEFAULTLIB:psapi.lib") #pragma comment(lib, "user32.lib") int _tmain(int argc, _TCHAR* argv[]) {     PDH_STATUS pdhStatus = ERROR_SUCCESS;     LPTSTR szCounterListBuffer = NULL;     DWORD dwCounterListSize = 0;     LPTSTR szInstanceListBuffer = NULL;     DWORD dwInstanceListSize = 0;     LPTSTR szThisInstance = NULL;     HANDLE hEvent = CreateEvent(NULL, FALSE, FALSE, TEXT( "MyEvent" ) );     pdhStatus = PdhEnumObjectItems (         NULL,         NULL,      ...

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