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Changing .prop using jQuery does not trigger .change event
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Postgres: “ERROR: cached plan must not change result type”
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Can I find out the return value before returning while debugging in Visual Studio?
... I know of. Note that if you do add a variable, it will get removed by the compiler in release builds anyway...
Update:
This functionality has been added to VS2013.
You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be seen dire...
HTML Input=“file” Accept Attribute File Type (CSV)
...isplay Excel CSV files (.csv), do NOT use:
text/csv
application/csv
text/comma-separated-values (works in Opera only).
If you are trying to display a particular file type (for example, a WAV or PDF), then this will almost always work...
<input type="file" accept=".FILETYPE" />
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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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Can you get DB username, pw, database name in Rails?
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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...
PostgreSQL ERROR: canceling statement due to conflict with recovery
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