How to Batch Rename File Extensions

So how do you rename multiple file extensions at once? If you have a directory full of files that need to be changed from .PNG to .JPG, it’s going to take forever to do this using the method above. Luckily, there are a couple of different ways we can change the file extension for multiple files at once. Command Line For those of you who are familiar with the command line, there is a very easy command you can…

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How to copy and paste between your computer and VirtualBox

1- Install additional software After you install VirtualBox and a virtual machine, you want to Copy & Paste between your computer and the virtual machine, you need to install an additional piece of software, which is ” Guest Additions“.On the  VirtualBox window, enter the  Devices/Insert Guest Additions CD Image..function to insert a virtual  CD disc to install this software. After finishing installation, restart your virtual machine  2- Shared Clipboard + Drag & Drop Shut down your virtual machine and go back to the  VirtualBox Manager ​​​​​​​screen. On “General -> Advanced” Tab, select: Shared Clipboard:…

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VirtualBox Keyboard Shortcuts

VirtualBox Manager (41 shortcuts) Ctrl + ↑   Shift + A Cloud Profile Manager: Add Profile… Ctrl + ↑   Shift + A Media Manager: Add… Ctrl + A Add machine… Ctrl + ↑   Shift + D Log Viewer: Bookmark Ctrl + ↑   Shift + C Snapshot Pane: Clone… Ctrl + O Clone… Ctrl + P Cloud Profile Manager… F1 Help contents Ctrl + ↑   Shift + C Media Manager: Copy… Ctrl + ↑   Shift + C Network Manager: Create… Ctrl + ↑   Shift + D Snapshot Pane: Delete… Ctrl + Q Exit Ctrl + E Export Appliance… Ctrl + ↑   Shift + T Log Viewer: Filter Ctrl + ↑   Shift + F Log Viewer: Find Ctrl + H Host Network Manager… Ctrl + I Import Appliance… Ctrl + ↑   Shift + I Cloud Profile Manager: Import Profiles… Ctrl + ↑   Shift + M Media Manager: Move… Ctrl + N New machine……

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The feed does not have subscriptions by email enabled – FeedBurner

If you see the FeedBurner error message above, this means that you need to enable the subscription by email option in your FeedBurner account settings. It could also mean that you have not obtained the correct FeedBurner ID. How to fix: –  Login at http://feedburner.google.com/ and select your feed. – Go to the “Publicize” tab. – Open the “Email Subscriptions” section on the left. – Make sure that “Email Subscriptions” are enabled Image:

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Find Duplicate Values with SQL Script

Let’s assume that data has been entered in a table and now you want to find if a table column have duplicated values. Here is an SQL script to join data from one table for comparison purpose. The table must have a primary key column (unique column) and the second column for comparison. Here is a sample script: Details: – DWDOCID is the primary key column – AIXFlag, is just a fixed value (optional) – SAMPLEEN is the table…

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FORMAT Function for Transact-SQL – T-SQL

Returns a value formatted with the specified format and optional culture in SQL Server 2016. Use the FORMAT function for locale-aware formatting of date/time and number values as strings. FORMAT ( value, format ) Return Types:  nvarchar or null The length of the return value is determined by the format. Remarks:   FORMAT returns NULL for errors other than a culture that is not valid. For example, NULL is returned if the value specified in format is not…

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T/SQL Splint String/Text

One common task performed in database applications is given a full name, how can this be split into the first name and last name.  In this article, three different methods are discussed to perform this task using three different functions in SQL Server.  It is assumed in this article that the full name is just made up of one first name and one last name. Using SUBSTRING Function The first method is the use of the SUBSTRING string function,…

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T/SQL Generate Random Numbers

SQL Server has a built-in function that generates a random number, the RAND() mathematical function.  The RAND math function returns a random float value from 0 through 1.  It can take an optional seed parameter, which is an integer expression (tinyint, smallint or int) that gives the seed or start value. To use it, you can simply do a simple SELECT, as follows: SELECT RAND() AS The result generated by this SELECT statement is as follows (note that…

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T-SQL Comma Delimited Output

One of the common tasks performed when retrieving data from a SQL Server database is returning the result as a comma-delimited output instead of a result set.  This task can be performed by using a CURSOR selecting the column to be concatenated together.  Each row returned by the CURSOR is then concatenated together into a variable separating each one by a comma. Here’s how the script will look like using the table in the Northwind database. A sample…

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Get Numbers from Alpha Numeric String – Get Numeric Numbers Only

So, someone had stored thousands of SSN numbers in a table but now they have an issue because some of them are incomplete or are not correctly formatted. Thank you to blog.sqlauthority.com and little creativity I have come up with a SQL script that fixes this issue. Here is the T/SQL script:

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