Check if a string is Palindrome PHP

What is the best way to check if string is Palindrome in PHP? . . .

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PHP How to check if a key exists in an associative array?

Should i use isset() or array_key_exists()? . . .

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New line character not working in PHP?

Hi, echo "/n";   is not working for me somehow?   . . .

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how to check samba is installed on not in raspberry pi?

how can i check if samba is already installed or not in my raspberry pi? I have a folder named samba in /etc with 2 files smb.conf and gdbcommands  I can see 2 samba related packages in the list . . .

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E212: Can't open file for writing

I'm trying to edit the file /etc/samba/smb.conf in my Raspberry Pi using vi editor. When i try to save the file i get  this error "/etc/samba/smb.conf" E212: Can't open file for writing I am l . . .

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How to list files or directories starting with a character using ls command in Linux?

How do i list all files or directories starting with 'a' or 'b' using ls? I tried ls a* and it doesn't work? . . .

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How do i uncompress a tar.xz file?

What are the arguments to tar command for extracting from tar.xz? . . .

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How to set environment variables in Linux?

How to set environment variables like PATH? How to do this from shell and how to make it available permanently? Is the command same for various distributions? . . .

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How do I find my Linux version and distribution name from shell prompt?

What is the easiest way to find Linux version and distribution name from the terminal? Is there a command that works for all different distributions? I am on Fedora. . . .

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Can i remove cortana from Windows 10

Is it possible to completely remove / disable cortana from windows 10? If possible i want to remove the search box completely from the taskbar. . . .

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NodeJS Cannot enqueue Handshake after already enqueuing a Handshake

I am trying to insert into MYSQL table some data recieved from AJAX post. Error: Cannot enqueue Handshake after already enqueuing a Handshake.     at Protocol._validateEnqueue (C:\nodejs\n . . .

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File history backup on Windows 10 doesnt backup any files

I have configured file history backup on my windows 10 laptop to copy files from a drive partition to an external usb HDD drive. In the Backup-options page when i click on backup now, it says ba . . .

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Nodejs TypeError: express.createServer is not a function

Hi I am trying to create a nodejs server running on port 3000. I have already installed express (npm install express). I am getting the following error message TypeError: express.createServer is not . . .

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elevated command prompt

how can i start a elevated command prompt in windows 10? . . .

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How can i find the number of lines of code in a VB.NET solution

Is it possible to find the number of lines of code in a Visual Basic.NET Project? I want to count the lines (excluding comments and line breaks) in all the source files of a visual basic solutio . . .

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