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Clustered vs Non-Clustered
My lower level knowledge of SQL (Server 2008) is limited, and is now being challanged by our DBAs. Let me explain (I have mentioned obvious statements in the hope that I am right, but if you see something wrong, please tell me) the scenario:
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Check if passed argument is file or directory in Bash
...n Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has spaces or other escapable characters are in the n...
“Insert if not exists” statement in SQLite
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If you have a table called memos that has two columns id and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where ...
What's the best name for a non-mutating “add” method on an immutable collection?
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Unless I'm missing it, System.Linq.Enumerable (and Linq in general) only uses Concat() for "sequence + sequence", never "item + sequence". The problem that someone "might expect it to add two lists together rather than adding a single value to the other list" was explici...
I change the capitalization of a directory and Git doesn't seem to pick up on it
... Lion that is under Git version control. I had these lowercase directories and then later capitalized them (e.g. emailaddresses => EmailAddresses), but Git doesn't seem to recognize the change. It still thinks the directories are lowercase when I run git ls-files and other commands.
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MyISAM versus InnoDB [closed]
... a projects which involves a lot of database writes, I'd say ( 70% inserts and 30% reads ). This ratio would also include updates which I consider to be one read and one write. The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in question will be ...
Why do you create a View in a database?
When and Why does some one decide that they need to create a View in their database? Why not just run a normal stored procedure or select?
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“Large data” work flows using pandas
...d to puzzle out an answer to this question for many months while learning pandas. I use SAS for my day-to-day work and it is great for it's out-of-core support. However, SAS is horrible as a piece of software for numerous other reasons.
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How to export iTerm2 Profiles
I needed to reformat my computer and now I'm having trouble copying the settings/profiles over.
6 Answers
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Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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