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How to get element by class name? [duplicate]

Using JavaScript, we can get element by id using following syntax: 4 Answers 4 ...
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Detect if value is number in MySQL

... @Richard- I just read the exceptions you gave. Thought you meant the character "e". I see what you mean now. – Urbycoz Feb 21 '11 at 12:53 ...
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What is causing this error - “Fatal error: Unable to find local grunt”

...oday I'm unintsalled it,and install the new grunt(v0.4) called Grunt-CLI.something has changed.. – Ryan Yiada Dec 18 '12 at 7:09 ...
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Convert Pandas column containing NaNs to dtype `int`

I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values. ...
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What is the difference between range and xrange functions in Python 2.X?

...range creates a list, so if you do range(1, 10000000) it creates a list in memory with 9999999 elements. xrange is a sequence object that evaluates lazily. In Python 3, range does the equivalent of python's xrange, and to get the list, you have to use list(range(...)). ...
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How do I read from parameters.yml in a controller in symfony2?

I have put a couple of custom variables in my app/config/parameters.yml. 7 Answers 7 ...
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Dialog with transparent background in Android

... If you're inside a DialogFragment, just call getDialog().getWindow() ... (after the view was created, e.g. in your onViewCreated callback). – akohout Feb 9 '15 at 13:10 ...
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How to use null in switch

In the code above I cant use null in switch case statement. How can I do this differently? I can't use default because then I want to do something else. ...
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Email address validation using ASP.NET MVC data type attributes

I have some problems with the validation of a Email. 10 Answers 10 ...
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How to use PyCharm to debug Scrapy projects

... The scrapy command is a python script which means you can start it from inside PyCharm. When you examine the scrapy binary (which scrapy) you will notice that this is actually a python script: #!/usr/bin/python from scrapy.cmdline import execute execute() This mea...