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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement.
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Purpose of memory alignment
...ut many language specifiers decided it would be easier just to outlaw them and force everything to be aligned.
There is much more information in this link that the OP discovered.
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mmap() vs. reading blocks
...ontain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since the input file gets scanned many times.
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Why use double indirection? or Why use pointers to pointers?
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Yes, and if you ever lose track of one of your pointers, here's a pointer: pointerpointer.com
– Andrew Cheong
Aug 21 at 0:50
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Is there a difference between /\s/g and /\s+/g?
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\s means "one space", and \s+ means "one or more spaces".
But, because you're using the /g flag (replace all occurrences) and replacing with the empty string, your two expressions have the same effect.
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How do I select the parent form based on which submit button is clicked?
...one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
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How can I rename a project folder from within Visual Studio?
... the extra steps required.
To rename a project's folder, file (.*proj) and display name in Visual Studio:
Close the solution.
Rename the folder(s) outside Visual Studio. (Rename in TFS if using source control)
Open the solution, ignoring the warnings (answer "no" if asked to load a project fro...
How can I create an Asynchronous function in Javascript?
...iscussing this with a friend yesterday so this answer is perfect! I understand and can identify the async functions and use them in JS properly. But simply why can't we implement custom ones is not clear to me. It's like a black box that we know how make it work (using, say, setInterval) but that we...
Targeting .NET Framework 4.5 via Visual Studio 2010
... Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies resulted in the original 4.0 assemblies still being referenced in the project.
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Merge / convert multiple PDF files into one PDF
...er to provide out.pdf, or else it will overwrite the last file in your command, sigh.
– mlissner
Oct 19 '13 at 22:20
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