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What happens if you don't commit a transaction to a database (say, SQL Server)?
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As long as you don't COMMIT or ROLLBACK a transaction, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back and terminated.
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Cannot open backup device. Operating System error 5
Below is the query that I am using to backup (create a .bak ) my database.
21 Answers
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scp with port number specified
I'm trying to scp a file from a remote server to my local machine. Only port 80 is accessible.
11 Answers
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git checkout tag, git pull fails in branch
...-set-upstream master has been deprecated, you should use --set-upstream-to instead:
git branch --set-upstream-to=origin/master master
As it prompted, you can just run:
git branch --set-upstream master origin/master
After that, you can simply run git pull to update your code.
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Make xargs execute the command once for each line of input
How can I make xargs execute the command exactly once for each line of input given?
It's default behavior is to chunk the lines and execute the command once, passing multiple lines to each instance.
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Make HTML5 video poster be same size as video itself
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You can use a transparent poster image in combination with a CSS background image to achieve this (example); however, to have a background stretched to the height and the width of a video, you'll have to use an absolutely positioned <img> tag (example).
It i...
Google Chrome redirecting localhost to https
When I debug a Visual Studio project using Chrome the browser tries to redirect to the https equivalent of my web address. I do not have SSL enabled in the web project and the start URL is the http URL. When I debug using FireFox or IE I do not have this problem.
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Why doesn't this code simply print letters A to Z?
This snippet gives the following output (newlines are replaced by spaces):
13 Answers
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How do I drop a foreign key in SQL Server?
I have created a foreign key (in SQL Server) by:
8 Answers
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How to modify the keyboard shortcuts in Eclipse IDE?
Title more or less says it all. Specifically, I've become increasingly annoyed that in order to run an ant script I have to use Alt + Shift + x , q . But I think If I had this power I would many things I would change the shortcuts for/add shortcuts for things that don't currently have them.
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