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Refreshing web page by WebDriver when waiting for specific condition

I'm looking for more elegant way to refresh webpage during tests (I use Selenium2). I just send F5 key but I wonder if driver has method for refreshing entire webpage Here is my code ...
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Difference between array_push() and $array[] =

...all, as PHP has to look up the function reference, find its position in memory and execute whatever code it defines. Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and r...
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Newline in markdown table?

... Use <br> to force a line break within a table cell. Markdown Extra and MultiMarkdown allow tables, but after trial and error, it seems an HTML line break is needed in this case. ...
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Is there a destructor for Java?

Is there a destructor for Java? I don't seem to be able to find any documentation on this. If there isn't, how can I achieve the same effect? ...
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I've found my software as cracked download on Internet, what to do?

So, after 6 months of hard work finally released my application. Today I found the first web site where people download it cracked, and I was wondering if any of you fellow programmers know how to react to such stuff? ...
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Switch to another Git tag

... Clone the repository as normal: git clone git://github.com/rspec/rspec-tmbundle.git RSpec.tmbundle Then checkout the tag you want like so: git checkout tags/1.1.4 This will checkout out the tag in a 'detached HEAD' state. In this state,...
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What is the difference between Class.this and this in Java

...here are two ways to reference the instance of a class within that class. For example: 4 Answers ...
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Removing nan values from an array

... If you're using numpy for your arrays, you can also use x = x[numpy.logical_not(numpy.isnan(x))] Equivalently x = x[~numpy.isnan(x)] [Thanks to chbrown for the added shorthand] Explanation The inner function, numpy.isnan returns a boolean...
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Pros and cons to use Celery vs. RQ [closed]

Currently I'm working on python project that requires implement some background jobs (mostly for email sending and heavily database updates). I use Redis for task broker. So in this point I have two candidates: Celery and RQ . I had some experience with these job queues, but I want to ask you guy...
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Error in plot.new() : figure margins too large, Scatter plot

I've looked in different questions for a solution and I've tried what was suggested but I have not found a solution to make it work. ...