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Postgres: “ERROR: cached plan must not change result type”
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Frame Buster Buster … buster code needed
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edited Jun 20 at 9:12
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answered Jun 18 '09 at 13:21
HugowareHugoware
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Error installing mysql2: Failed to build gem native extension
... replaced by ruby-mysql. This is where I found the solution.
If the above command doesn't work because libmysql-ruby cannot be found, the following should be sufficient:
sudo apt-get install libmysqlclient-dev
On Red Hat/CentOS and other distributions using yum:
sudo yum install mysql-devel
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
... specify updates which should only happen when inserting documents.
This, combined with the upsert option, means you can use findAndModify to achieve an atomic findOrCreate-like operation.
db.collection.findAndModify({
query: { _id: "some potentially existing id" },
update: {
$setOnInsert:...
Swift equivalent for MIN and MAX macros
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min and max are already defined in Swift:
func max<T : Comparable>(x: T, y: T, rest: T...) -> T
func min<T : Comparable>(x: T, y: T, rest: T...) -> T
See this great writeup on documented & undocumented built-in functions in Swift.
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Is \d not supported by grep's basic expressions?
This does not generate any output. How come?
2 Answers
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Can you get DB username, pw, database name in Rails?
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157
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How do you push a Git tag to a branch using a refspec?
...erhaps you saw the following error message:
error: Trying to write non-commit object to branch refs/heads/master
Annotated tags have their own distinct type of object that points to the tagged commit object. Branches can not usefully point to tag objects, only commit objects. You need to “p...
How to get min/max of two integers in Postgres/SQL?
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How to cancel/abort jQuery AJAX request?
... But the problem is before the AJAX request if the previous request is not completed I've to abort that request and make a new request.
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