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Doing something before program exit
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What are the best practices for JavaScript error handling?
...n Enterprise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server
You, not the browser, handle errors
Identify where errors might occur
Throw your...
How do I check if a string is valid JSON in Python?
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What is the difference between IQueryable and IEnumerable?
...ression can simply be a constant expression of the object itself or a more complex tree of a composed set of query operators and operands. The query provider's IQueryProvider.Execute() or IQueryProvider.CreateQuery() methods are called with an Expression passed to it, and then either a query result ...
JQuery find first parent element with specific class prefix
... div element selector: $('#divid').closest('[class^="div-a"]'). As @Stefan commented, though, you should really be using multiple classes.
– Matt Ball
Sep 17 '11 at 21:18
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How can I get name of element with jQuery?
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How to use subprocess popen Python
...p/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to helping users migrate from os.popen to subprocess.
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sqlalchemy IS NOT NULL select
...the IS NOT operator.
Normally, IS NOT is generated automatically when comparing to a value of None, which resolves to NULL. However, explicit usage of IS NOT may be desirable if comparing to boolean values on certain platforms.
Demo:
>>> from sqlalchemy.sql import column
>>>...
How can I create an array with key value pairs?
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