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How can I determine if a JavaScript variable is defined in a page? [duplicate]
...eck if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
7 Answers
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node.js, Error: Cannot find module 'express'
...cation. I got stuck on my very first sample code and need some help to get it running. Before I post this question, I did search on stack overflow, found some similar questions but still could not fix it.
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Difference between == and ===
In swift there seem to be two equality operators: the double equals ( == ) and the triple equals ( === ), what is the difference between the two?
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Python way of printing: with 'format' or percent form? [duplicate]
...yntax is more flexible and handles tuples and
dictionaries naturally, it is recommended for new code. However, there
are no current plans to deprecate printf-style formatting.
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Specify an SSH key for git push for a given domain
I have the following use case: I would like to be able to push to git@git.company.com:gitolite-admin using the private key of user gitolite-admin , while I want to push to git@git.company.com:some_repo using 'my own' private key. AFAIK, I can't solve this using ~/.ssh/config , because the user...
Mockito : how to verify method was called on an object created within a method?
I am new to Mockito.
7 Answers
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Parsing XML with namespace in Python via 'ElementTree'
...ot too smart about namespaces. You need to give the .find(), findall() and iterfind() methods an explicit namespace dictionary. This is not documented very well:
namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes are only lo...
Hibernate: “Field 'id' doesn't have a default value”
I'm facing what I think is a simple problem with Hibernate, but can't solve it (Hibernate forums being unreachable certainly doesn't help).
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Distinct by property of class with LINQ [duplicate]
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@AmirHosseinMehrvarzi: There is a bit of overhead, as the groups are created, and then only one item from each group is used.
– Guffa
Dec 24 '13 at 11:17
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Add default value of datetime field in SQL Server to a timestamp
I've got a table that collects forms submitted from our website, but for some reason, when they created the table, they didn't put a timestamp in the table. I want it to enter the exact date and time that the record was entered.
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