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How to make a chain of function decorators?

...But remember decorators are called only once. Just when Python imports the script. You can't dynamically set the arguments afterwards. When you do "import x", the function is already decorated, so you can't change anything. Let’s practice: decorating a decorator Okay, as a bonus, I'll give you...
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How to run a command before a Bash script exits?

If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits? ...
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How to convert View Model into JSON object in ASP.NET MVC?

...VC2 project where I want to have a partial view to wrap a widget. Each JavaScript widget object has a JSON data object that would be populated by the model data. Then methods to update this data are bound to events when data is changed in the widget or if that data is changed in another widget. ...
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Multiline bash commands in makefile

...sub-command is run in its own shell. This makes writing non-trivial shell scripts a little bit messy -- but it is possible! The solution is to consolidate your script into what make will consider a single sub-command (a single line). Tips for writing shell scripts within makefiles: Escape the s...
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How to access environment variable values?

... In a 1st way script is throwing Exception whereas with 2nd one giving None. So, is there any way to get it meaningful value or am I doing in a wrong way??? Amit. – Amit Yadav Feb 5 '11 at 14:49 ...
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ImportError: No module named pip

... installation (which currently involves running a single get-pip.py Python script) after that, just sudo pip install Django. The error will be gone. share | improve this answer | ...
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How to make an HTTP POST web request

... status. Console.WriteLine(((HttpWebResponse)response).StatusDescription); // Get the stream containing content returned by the server. dataStream = response.GetResponseStream(); // Open the stream using a StreamReader for easy access. Stre...
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Insert line break inside placeholder attribute of a textarea?

... i could certainly fake the placeholder effect using javascript, but i was hoping for something more simple – amosrivera Sep 5 '11 at 23:09 2 ...
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How can I make a time delay in Python? [duplicate]

I would like to know how to put a time delay in a Python script. 13 Answers 13 ...
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Logging in Scala

...4j, but it now seems to be the predominant logging framework. Here's the description of SLF4J: The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction for various logging frameworks, e.g. java.util.logging, log4j and logback, allowing the end user to plug in the de...