drop (3,506)


sql - How do I index a database column

sql - How do I index a database column

Hopefully, I can get answers for each database server. For an outline of how indexing works check out: How does database indexing work?…


What's the best way to determine if a temporary table exists in SQL Server?

When writing a T-SQL script that I plan on re-running, often times I use temporary tables to store temporary data. Since the temp table is created on the fly, I'd like to be able to drop that table…


sql - Drop all tables whose names begin with a certain string

How can I drop all tables whose names begin with a given string? I think this can be done with some dynamic SQL and the INFORMATION_SCHEMA tables.…


algorithm - Two marbles and a 100 story building

One of those classic programming interview questions... You are given two marbles, and told that they will break when dropped from some certain height(and presumably suffer no damage if dropped from…


How do you kill all current connections to a SQL Server 2005 database?

I want to rename a database, but keep getting the error that 'couldn't get exclusive lock' on the database, which implies there is some connection(s) still active. How can I kill all the connections t…


.net - DoDragDrop and MouseUp

Is there an easy way to ensure that after a drag-and-drop fails to complete, the MouseUp event isn't eaten up and ignored by the framework? I have found a blog post describing one mechanism, but it i…


.net - How to send email from a program_without_ using a preexisting account?

I'd like my program to be able to email me error reports. How can I do this without hard-coding a username/password/SMTP server/etc. into the code?(Doing so would allow users to decompile the progra…


Excel: list ranges targeted by INDIRECT formulas

We have a few very large Excel workbooks(dozens of tabs, over a MB each, very complex calculations) with many dozens, perhaps hundreds of formulas that use the dreaded INDIRECT function. These formu…


git-stash vs. git-branch

In a previous Git question, Daniel Benamy was talking about a workflow in Git: I was working on master and committed some stuff and then decided I wanted to put that work on hold. I backed up a few c…



Is there a max number of options(values) in HTML drop down control?

Does anyone know how many options a drop down list can have? Is it unlimited? How many before performance degrades?…




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