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Changing .prop using jQuery does not trigger .change event

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Reading header data in Ruby on Rails

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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...
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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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Reading a binary file with python

... Can you please have look at this other post? stackoverflow.com/questions/8092469/… ... I am again to read another binary file, but in this case I don't know the byte structure in details. For example, I figured out that sometimes there is the integer 8. However, with IDL it is real...
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Postgres: “ERROR: cached plan must not change result type”

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PostgreSQL ERROR: canceling statement due to conflict with recovery

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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:...
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Swift equivalent for MIN and MAX macros

... 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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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?

... developer.android.com has nice example code for this: https://developer.android.com/guide/topics/providers/document-provider.html A condensed version to just extract the file name (assuming "this" is an Activity): public String getFileName(U...