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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
...nteger part of the coordinate. And no, the sign doesn't count - that comes from the (un)signed attribute.
– Alix Axel
May 9 '13 at 9:54
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What are the best practices for SQLite on Android?
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Inserts, updates, deletes and reads are generally OK from multiple threads, but Brad's answer is not correct. You have to be careful with how you create your connections and use them. There are situations where your update calls will fail, even if your database doesn't get co...
Git pull from another repository
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In order to pull a particular branch from different repo you can use the below git command.
git pull <git_url> <branch> --allow-unrelated-histories
share
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Delete everything in a MongoDB database
...very single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
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How do I remove blank elements from an array?
I have the following array
20 Answers
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Grouping functions (tapply, by, aggregate) and the *apply family
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@grautur I was actively pruning things from this answer to avoid it being (a) too long and (b) a re-write of the documentation. I decided that while aggregate, by, etc. are based on *apply functions, the way you approach using them is different enough from a users...
How to create a multi-tenant database with shared table structures?
...ng
other solutions.
This is unfortunate, as customers sometimes suffer from a misconception that only physical isolation can offer enough security.
There is an interesting MSDN article, titled Multi-Tenant Data Architecture, which you may want to check. This is how the authors addressed the mis...
Compress files while reading data from STDIN
...s it possible to compress (create a compressed archive) data while reading from stdin on Linux?
3 Answers
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Make the current commit the only (initial) commit in a Git repository?
...h is misleading - the history will still exist it just won't be accessible from that branch. If you have tags, for example, which point to older commits, these commits will be accessible. In fact, for anyone with a bit of git foo, I'm sure that after this git push, they will still be able to recover...
How to prevent rm from reporting that a file was not found?
...r a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent files, never prompt", seems to be the right choice, but the name does not seem to fit, so I am concerned it might have unintended consequences.
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