MongoDB how to search for a string or pattern in a field?

How do I search for a string inside a field in MongoDB? In SQL if i want to search name column for a string pizza SELECT * FROM restaurants WHERE name LIKE '%pizza%'; What is the equivalent of . . .

• 1
• 0
• 1148

How to check version of powershell

What is the command to check the version of powershell? . . .

• 0
• 0
• 1139

audit platform (quality and code performance)

hello, I am developing a quality app ó and performance of code which makes the analysis of other application develop in angular node and symfony it is an application which gathers bcp to sona . . .

• 1
• 0
• 1114

Javascript check if a string is palindrome

What is the most efficient way to check if a string is a palindrome? . . .

• 1
• 0
• 1113

Sort an array of objects (JSON) using JavaScript

There is an array of objects with a string attribute called name and a number attribute called age.  arr = [ {name: "abba", age: 23}, {name: "lovely", age: 23}, {name: "vincent", age: 5}, {name: . . .

• 3
• 0
• 1104

VB.NET error " at System.Drawing.SafeNativeMethods.StartDoc(HandleRef hDC, DOCINFO lpDocInfo)" & v

Error when printing a report from VB.net "  at System.Drawing.SafeNativeMethods.StartDoc( HandleRef hDC, DOCINFO lpDocInfo)" & vbCrLf & "   at System.Drawing.Printing.StandardPrintC . . .

• 0
• 0
• 1100

How to refresh the contents of a div using AJAX and jQuery?

I want to refresh the content of a div periodically (eg: every 5s) . . .

• 2
• 0
• 1086

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? . . .

• 0
• 0
• 1080

Forgot Ubuntu root password - reset administrative password

Hi, I have lost the root password to my Ubunbtu machine (Release 16.04.1). Is there anyway to recover it? I have access to a non admin account only right now. . . .

• 0
• 0
• 1073

How to check CentOS version

How can i check the version of CentOS that is installed on a machine from command line? . . .

• 1
• 0
• 1073

python installed but commands not working

I have python3.5 installed. When I try to do  apt install python3 It says python3 is already the newest version(3.5.1-3) But when I run python --version It says python is not installed, r . . .

• 0
• 0
• 1070

Copy data from one column to another in MySQL

I have a table with 3 columns, say col1, col2, col3 I want to copy all the data from col2 to col3, how can i do that? . . .

• 0
• 0
• 1059

Show new email notification in Outlook 2013

My outlook doesnt show any alert when a new mail comes. In the previous versions i  used to see a mail icon near to date time area in task bar and also hear a sound.  . . .

• 1
• 0
• 1050

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? . . .

• 1
• 0
• 1039

Debug.WriteLine not working in VS 2017

On a Windows Forms application that i am developing with C# on Visual 2017, trying to write a string variable to the output window as below. using System.Diagnostics; Debug.WriteLine(MyStringVar); . . .

• 0
• 0
• 1028