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Query EC2 tags from within instance
... use a combination of the AWS metadata tool (to retrieve your instance ID) and the new Tag API to retrieve the tags for the current instance.
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multiple prints on the same line in Python
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This doesn't work if you have both prints and a time consuming action in between (all in the same function / indentation level). Before the action starts, there is no output at all and after it is finished the output appears as whole
– Paddre
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Getting content/message from HttpResponseMessage
...HttpResponseMessage' does not contain a definition for 'GetResponseStream' and no extension method 'GetResponseStream' accepting a first argument of type 'System.Net.Http.HttpResponseMessage' could be found"
– Clem
Apr 10 '13 at 21:00
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Determine what attributes were changed in Rails after_save callback?
...hanged? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as follows:
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Visual Studio: Relative Assembly References Paths
... directory, is there any way to add it relatively, so that when checked in and out of a repository it is referenced in projects correctly?
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Iterating through a JSON object
I am trying to iterate through a JSON object to import data, i.e. title and link. I can't seem to get to the content that is past the : .
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Convert Decimal to Double
...in VB.NET because it implicitly does any casts, while C# has both implicit and explicit ones.
In C# the conversion from decimal to double is explicit as you lose accuracy. For instance 1.1 can't be accurately expressed as a double, but can as a decimal (see "Floating point numbers - more inaccurate...
How to implement “select all” check box in HTML?
... Also, this code doesn't work in Safari 5 or Chrome 5. It works in FF 3.6, and IIRC, it worked in Safari 4. for(var i in checkboxes) checkboxes[i].checked = source.checked works in all browsers.
– Can Berk Güder
Jun 16 '10 at 11:18
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Easiest way to compare arrays in C#
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Also for arrays (and tuples) you can use new interfaces from .NET 4.0: IStructuralComparable and IStructuralEquatable. Using them you can not only check equality of arrays but also compare them.
static class StructuralExtensions
{
public...
How to set entire application in portrait mode only?
... I set it so the application is running in portrait mode only? I want the landscape mode to be disabled while the application is running. How do I do it programmatically?
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